PRIVATE LINE TELEPHONE SERVICE

GENERAL

SERVICE CONFIGURATIONS

DESCRIPTIONS

Basic Rate Categories

Voice Grade Service

Digital Data Service

High Capacity Service

Channelized DS-1

Channelized DS-3

Network Access Service

INTEGRATED SERVICES DIGITAL NETWORK (ISDN)

Service Description

Basic ISDN Service Capabilities

Regulations

Termination Charges

ISDN PRI

ISDN PRI Plus

NETWORK SERVICES

Digital Access Service

PLAN A – One-Way DAS Virtual Port Service (VPS) (Inbound Only)

PLAN B – Two-Way DAS Virtual Port Service (VPS)

Rate Element Descriptions – Standard Features (Plans A and B)

Digital Access Loop

DAS Subgroup

Caller Identification

Hunting Within a DAS Subgroup/Arrangement

Rate Element Descriptions – Optional Features

DID

Number Block Charges

Additional Trunk Phone Number

Change

811 SERVICE FOR “ONE CALL” NOTIFICATION SYSTEMS

GENERAL

OBLIGATIONS OF THE APPROVED “ONE CALL” NOTIFICATION SYSTEMS PROVIDER

OBLIGATIONS OF THE COMPANY

LIABILITY

OTHER TERMS AND CONDITIONS

RATES & CHARGES

PRIVATE LINE TELEPHONE SERVICE

GENERAL

Private Line Telephone Service provides a dedicated transmission path to connect Customer designated premise, directly, through a Company hub or hubs where bridging or multiplexing functions are performed, or to connect a Customer designated premise and a WATs serving office. Private Line Telephone Service includes all exchange access not utilizing the Company’s switching equipment.

The connections provided by Private Line Telephone Service can be either analog or digital.

Company services may be connected to services or facilities of other communications carriers only where authorized by, or in accordance with, the terms and conditions of any Tariffs of such other communications carriers.

All facilities required for this service are furnished by the Company on a full period basis only.

The service equipment and channels provided under this Section are not furnished for the commercial transmission of communications between servicing area(s) and not for the use in competition with any form of service rendered by the Company or its connecting companies.

Where special or unusual configurations are required for this service, one that has limited requirements by other Customers of the Company, either an Installation Charge or Termination Charge may be required at the option of the Company. Such charge will be at least equal to the nonrecovered in plant cost plus taxes, overhead and profit.

When multi-point service is furnished, the local channels are bridged at the wire center.

SERVICE CONFIGURATIONS

There are two (2) types of service configurations over which Private Line Telephone Service can be furnished: two (2) point and multi-point service.

Two (2) Point Service

A two (2) point service connects two (2) Customer designated premises, either on a directly connected basis or through a hub where multiplexing functions are preformed, or a Customer designated premise and a WATS serving office.

Multi-Point Service

Multi-point services connect three (3) or more Customer designated premises through one (1) or more Company hubs.

The channel between hubs (i.e. bridging locations) on a multi-point service is a mid-link. There is no limitation on the number of mid-links available with multi-point service. However, when more than three (3) mid-links are provided the quality of service may be degraded.

Multi-point service utilizing a customized technical specification package will be provided when technically feasible. If the Company decides that the requested parameter specifications are not compatible, the Customer will be advised and given an opportunity to change the order. When a customized channel is ordered, the Customer will be notified whether Additional Engineering Charges apply. In such cases, the Customer will be advised and given the opportunity to change the order.

Basic rate elements are listed in Section 5.3.1 following.

DESCRIPTIONS

Basic Rate Categories

Channel Termination. The Channel Termination rate categoryprovides for the communications path between a customer-designatedpremises and the serving wire center of that premise. OneChannel Termination charge applies per customer-designated premises atwhich the channel is terminated.

Channel Mileage Termination. The ChannelMileage Termination rate category provides for the termination oftransmission facilities between the serving wire centers associatedwith two customer-designated premises.

Channel Mileage. The Channel Mileage rate category providesfor the transmission facilities between the serving wire centersassociated with two customer-designated premises. The channelmileage charge applies on a per mile basis of interoffice transport.

Non-Wire Center Connected Channels (Point to Point) is Private lineService connecting two customer premises without going through aCompany wire center or hub.

Optional features and functions are items that may be added to serviceto improve quality or meet specific communicationsrequirements. Such items may include signaling, conditioning,transfer arrangements, protection switching ,etc. TheCompany’s philosophy will be to include as many of suchoptions as is reasonable in the base price of the Private LineService. Some Optional features are included in this tariffas listed in Section 5.3.2, but the list is not all-inclusive. Asadditional options and features are added to the available list ofservices, each definition and rate will be added to the appropriatesection of this tariff. The Company reserves theright to suggest a charge for non-standard features not included inthis tariff, and to then tariff the item upon sale to a subscriber.

Voice Grade Service

Basic Channel Description

A voice grade channel is a channel which provides voice frequencytransmission capability in the normal frequency range of 300 to 3,000Hz and may be terminated two (2) wire or four (4) wire.

Optional Features and Functions

Central Office Bridging Capability

Both voice and data bridging are available.

C-Type Conditioning

C-Type conditioning is provided for the additional control ofattenuation distortion and envelope delay distortion on data services.The attenuation distortion specifications for C-Type conditioning aredelineated in Technical Reference TR-TSY-0003335.

Improved Return Loss

On effective four (4) wire transmission at four (4) wire point oftermination (applicable to each two (2) wire port), improved returnloss provides for a fixed 600 ohm impedance, variable level range andsimplex reversal. Company equipment is required at the Customer premisewhere this option is ordered.

Signaling Capability

Signaling capability provides for the ability to transmit signals fromone (1) Customer premise to another Customer premise on the sameservice.

Selective Signaling Arrangement

An arrangement that allows code selective ringing for up to ten (10)codes on a multi-point service.

Transfer Arrangement

An arrangement that affords the Customer an additional measure offlexibility in the use of an access channel. The arrangement can beused to transfer a leg of a private line service to another channelthat terminates in either the same or different Customer premise. A keyactivated or dial-up control is required to operate the transferarrangement. A spare channel, if required, is not included as part ofthis option.

Digital Data Service

Basic Channel Description

A digital data channel is a channel for duplex four (4) wiretransmission of synchronous serial data at the rate of 56 or 64 Kbps.The actual bit rate is a function of the channel interface selected bythe Customer. The channel provides a synchronous service with timingprovided by the Company to the Customer in the received bit stream.Digital data channels are provided as either hubbed or non-hubbedbetween Customer designated premises or between a Customer designatedpremise and a Company hub or hubs.

The Company will provide a channel capable of meeting monthly averageperformance equal to or greater than 99.875% error free seconds ,ifprovided through a digital data hub, or if it is provided through a CSUequivalent which is designated, manufactured, and maintained to conformwith the specifications contained in Technical Reference PUB 62310.

Optional Features and Functions

Central Office Bridging

Provides the connection of one digital data circuit to another digitaldata circuit without interrupting the integrity or continuity of eithercircuit. This service is available where digitalhubs are available.

High Capacity Service

Basic Description

A high capacity channel is a channel for the transmission of 1.544 or44.736 Mbps isochronous serial data. The actual bit rate is a functionof the channel interfaces selected by the Customer.

The Customer may provide the Network Channel Terminating Equipmentassociated with the high capacity channel at the Customer’spremise.

A channel with the technical specifications of HC1 will be capable ofan error free performance of 95.75% over a continuous twenty-four (24)hour period as measured at the rate of 1.544 Mbps rate through a CSUequivalent which is designed, manufactured and maintained to conformwith the specifications in Technical Reference PUB 62411.

Optional Features and Functions

Transfer Arrangement

An arrangement that affords the Customer an additional measure offlexibility in the use of an access channel. The arrangement can beused to transfer a leg of a private line service to another channelthat terminates in either the same or a different Customer premise. Akey activated or dial-up control is required to operate the transferarrangement. A spare channel, if required, is not part of this option.

Central Office Multiplexing

DS3 to DS1. This is an arrangement that converts a 44.736 Mbps channelto twenty-eight (28) DS1 channels using digital time divisionmultiplexing.

DS1 to Voice. This is an arrangement that converts a 1.544 Mbps channelto twenty-four (24) channels for use with voice grade service.

Channelized DS-1

Basic Description

Channelized DS-1 provides channelization capability for the customer atthe company’s central office. Channelized DS-1 isprovided in packets based upon multiple voice grade channel equivalents(DS0) where 24 voice grade channels are equal to a DS-1. Theservice provides local channels or interoffice channels for networkaccess, Centrex station lines, off-premise extensions and digital datalines.

Channelization is provided by D type channel banks. Thecustomer may channelize all or part of a DS-1 to activate voice anddata facilities. Individual channels may be connected withservice offerings in other parts of this tariff as appropriate. The Customer must provide the Network Channel Terminating Equipmentassociated with the high capacity channel at the Customer’spremise. Customer equipment must be compatible with theCompany provided channelization at the central office. Thecustomer must be prepared to activate his portion of joint service in atimely manner on the negotiated due date.

A channel with the technical specifications of HC1 will be capable ofan error free performance of 95.75% over a continuous twenty-four (24)hour period as measured at the rate of 1.544 Mbps rate through a CSUequivalent which is designed, manufactured and maintained to conformwith the specifications in Technical Reference PUB 62411

Optional Features and Functions

Transfer Arrangement

An arrangement that affords the Customer an additional measure offlexibility in the use of an access channel. The arrangement can beused to transfer a leg of a private line service to another channelthat terminates in either the same or a different Customer premise. Akey activated or dial-up control is required to operate the transferarrangement. A spare channel, if required, is not part of this option.

Central Office Multiplexing

DS3 to DS1. This is an arrangement that converts a 44.736Mbps channel to twenty-eight (28) DS1 channels using digital timedivision multiplexing.

DS1 to Voice. This is an arrangement that converts a 1.544 Mbps channelto twenty-four (24) channels for use with voice grade service.

Integrated Voice and Data Product

An arrangement that combines voice and data lines over the sameaccess channels. Voice channels are priced per appropriateservice elsewhere in this tariff. There is a monthlyrecurring cost per 64 Kb data channel, a monthly recurring charge forData Access, and a non-recurring charge per data channel.

Channelized DS-3

Basic Description Channelized DS-3 provides channelization capability for the customer atthe company’s central office. Channelized DS-1 isprovided in packets based upon multiple voice grade channel equivalents(DS0) where 24 voice grade channels are equal to a DS-1 and 28 DS-1sare equal to a DS-3 for a total of 672 channels. The serviceprovides local channels or interoffice channels for network access,Centrex station lines, off-premise extensions and digital data lines. Channelization is provided by D type channel banks. Thecustomer may channelize all or part of a DS-3 to activate voice anddata facilities. Individual channels may be connected withservice offerings in other parts of this tariff as appropriate. The Customer must provide the Network Channel Terminating Equipmentassociated with the high capacity channel at the Customer’spremise. Customer equipment must be compatible with theCompany provided channelization at the central office. Thecustomer must be prepared to activate his portion of joint service in atimely manner on the negotiated due date.

Network Access Service Basic Description

Network Access Service is applicable when local trunks of any natureare provisioned over Channelized DS-1, Channelized DS-3 or ISDNPRI. These charges are for supplying the trunks in a digitalchannelized fashion rather than purchasing individual trunks deliveredon an analog basis. There are no measured usage charges withnetwork access service and all rates are a flat amount per month pertrunk.

INTEGRATED SERVICES DIGITAL NETWORK (ISDN)

ISDN service allows for the integration of voice and non-voice (data)on a single telephone access line. ISDN service consists of a digitalservice line that provides digital termination capabilities to thecustomer’s premise and allows for the simultaneoustransmission of voice and data traffic. Basic servicecapabilities, customized features and optional features are available.

Service Description

Digital Service Line – Provides the digital central officetermination, via a Basic Rate Interface, that has the potential tosupport digital transmission of voice and data to thecustomer’s premise. One digital service line comesstandard with any ISDN class of service capabilities, customizedfeatures or optional features. Each digital service line comes equippedwith the following standard features:

Drop – Allows the user to drop the last party added to athree-way/conference call.

Transfer – Allows the user to transfer a call to anotherterminal.

Hold – Allows the user to place call on hold by pressing thefunction button.

Three-way Calling – Allows the user to include a third partyin the call.

Circuit Switched Voice and Data Services – establishes aconnection between two terminals where network resources are dedicatedthroughout the duration of the call.

Basic ISDN Service Capabilities

The digital service line provides a combination of up to two B Channelsand one D Channel. Each B Channel is capable of transmittingup to 64 Kbps for Circuit Switched Voice, Circuit Switched Data or HighSpeed Packet Switched Data. The D Channel is a 16 Kbps channel and isused for signaling as well as transmission of packet switcheddata. The Company’s Basic offering is a BRI withtwo B channels and one D channel. Other combinations arepossible, and to the extent that other combinations do not incursignificant additional company costs, the intent is for other ISDNcombinations of channels to cost the same as the Basic BRI. Options that cannot be offered for the basic price will be configuredand sold on an individual case basis.

Regulations

The rates specified for ISDN Service contemplate the availability ofexisting compatible facilities from the normal serving wire centerwhich must be a digital ISDN equipped central office entity. If such facilities are required to provide ISDN Service, a charge basedon the cost incurred may apply in addition to the rates for thisservice. These charges may be in the form of a nonrecurringand/or monthly charge.

ISDN Service must include a digitalservice line and at least one (1) basic service capability.

The minimum service period for ISDNService is 12 months.

An individual directory number will be assigned for each digitalservice line.

The customer must provide Customer Premises Equipment (CPE) thatcomplies with the ISDN requirements of the Company.

Termination Charges

If ISDN Service is terminated prior to the expiration of the minimumservice period, the customer shall be required to continue paying theapplicable charges for the remainder of the minimum service period.

ISDN PRI

ISDN PRI provides a method for high speed end-to-end DS1 capacity thatprovides the Customer access to switched services in theCompany’s Central Office. The service can carryvoice, data and video simultaneously. Traffic can be inwardor outward or a combination of both. This is controlled bythe Customer’s premise equipment.

The minimum service period for ISDN PRI is one month.

ISDN PRI is a service for the transmission of digital signals only

The minimum service period of ISDN PRI is one month.

A standard service consists of up to twenty-three“B” channels and one “D”channel at a total speed of 1.544 Mbps. The D channel is usedfor signaling. B channels are used for voice, data and/orvideo delivery.

ISDN PRI service between a serving wire center and a customer locationwill be charged at a rate per Basic PRI. Interoffice Channelsbetween central offices will be charged based upon airline distancebetween offices.

The customer may choose any number of channels up to 23 B channels.There is a charge per PRI channel in use.

There is a Service Establishment Charge applicable to each ISDN PRI inaddition to any installation nonrecurring charge. This fee isfor the ordering, recording, provisioning and engineering required witha customers request for ISDN PRI. Additionally, there is aService Change Charge applicable to move or transfer an ISDN PRIservice line.

ISDN PRI Plus

ISDN PRI Plus provides an ISDN based T-1 access to the network andincludes the flexibility of multiple voice and/or data transmissionchannels on the same line. The basic channel structure forISDN PRI is twenty-three 64 Kbps B channels and one 64 Kbps Dchannel. The customer has the option to activate up to 23 BChannels on the First ISDN PRI Plus service arrangement and up to 24 BChannels on subsequent arrangements. One primary Directorylisting will be furnished at no charge for each ISDN PRI Plus service BChannel.

ISDN PRIPlus is a service for the transmission of digital signals only.

Theminimum service period for ISDN PRI Plus is one month.

ISDN PRI Plus service between a serving wire center and a customerlocation will be charged at a rate per Basic PRI. InterofficeChannels between central offices will be charged based upon airlinedistance between offices. There is a charge per PRI channelin use. Separate charges apply for Digital Data Channels orInward Dial Channels.

There is a Service Establishment Charge applicable to each ISDN PRI inaddition to any installation nonrecurring charge. This fee isfor the ordering, recording, provisioning and engineering required witha customer’s request for ISDN PRI. Additionally,there is a Service Change Charge applicable to move or transfer an ISDNPRI service line.

NETWORK SERVICES

Digital Access Service

Digital Access Service (DAS) provides Customers with inbound andoutbound digital access and transport capability to and from the publicswitched telephone network or other telecommunications facilities via aDS-1 signal. DAS is available under two distinct pricingplans, Plan A or Plan B, with the appropriate plan determined by theCompany based on the Customer’s usage profile as describedherein.

This service is only available to Customers located in buildings thatare served by the Company’s network or in hybrid digitalaccess buildings. This service is only available withincalling areas served by Company NXXs. The Company reservesthe right to reconfigure the network as necessary, which could includemoving rate centers from one switch serving area to another, which mayaffect Customer charges.

Rates and charges for this service are exclusive of all other rates andcharges for Company services. End users may incur localusage, toll or other charges in accordance with services they havepurchased from the Company or their local exchange service provider.

This service is only available where facilities and operatingconditions permit.

Plan A – One-Way DAS Virtual Port Service (VPS) (Inbound Only)

This service is for Customers whose traffic would otherwise pose a riskof call blocking on the Company’s network due to unusuallylong call holding times and/or unusual traffic patterns. PlanA service arrangements are designed for data applications, whichterminate into Customer Premises Equipment (CPE).

This service does not provide for E-911 or Operator Servicesconnectivity and the Customer must separately arrange for localexchange service from the Company or another certificated localexchange service provider to obtain such connectivity.

Plan B – Two-Way DAS Virtual Port Service (2-Way DAS VPS) with Number Blocks

Tier 2 SPECIAL ACCESS - 2-WAY DAS Virtual Port Service with Numbering Resources
Revised Listing: April 21, 2009

Tier 2 Two-Way DAS Virtual Port Service (2-Way DAS VPS) at its Lima, Ohio office provides the customer with the ability to originate and terminate Internet Protocol enabled Voice Information Service (IPeVIS) traffic through it for termination to the Public Switched Telephone Network (PSTN). A virtual port through this Point-of-Interconnect (PoI) of Tier 2's provides for telephone numbers at a defined set of rate centers that subtend the Embarq Lima Access Tandem.

2-Way DAS VPS – PORT CHARGES

• VIRTUAL PORT - Rates Effective May 1, 2009

  Rate Center Mileage from POI	DS1/T1 2-Way DAS Virtual Port	IPeVIS On-Net per MoU	IPeVIS Off-Net per MoU	NON-IPeVIS Traffic per MoU
  0-25 Miles	$450	$0.008	$0.035	$0.105
  25-50 Miles	$450	$0.010	$0.040	$0.110
  50-100 Miles	$450	$0.013	$0.050	$0.120
  100+ Miles	ICB	ICB	ICB	ICB

  
  
• DIGITAL ACCESS LOOP- Rates Effective May 1, 2009
  Monthly Recurring Charge: $900 per 2-Way DAS VPS PORT
  
  
• NUMBER RESOURCES – Rates Effective May 1, 2009
  Monthly Recurring Charge: $3.00 per 20 Number Block
  
  
• See Other Terms and Definitions 12 thru 18 for additional MRCs and NRCs that may apply in association with the service.
  
  
• SERVICE TERMS
  • Digital Access Loop Service is waived if customer physically Co-locates at Tier 2's Serving Office Location or Virtually Co-locates at Tier 2's Serving Office location by purchasing transport and connectivity to Tier 2 Network Channel Facility Assignments.
  • In order for Tier 2 to effectively manage its Numbering Resources for 2-Way DAS VPS, they must be purchased in blocks of 100 Numbers or five 20-Number Blocks for a total Monthly Recurring Charge of $15.00.
  • Two-Way DAS Virtual Port Interface Service are required to every Telephone Company Point-of-Interconnect to the LATA Access Tandem serving the Exchange in which the 2-Way DAS Customer has IPeVIS Users or an NPA-NXX(s) or telephone numbers.
  • Traffic originating from the 2-Way DAS customer's IPeVIS Users that is not Local, valid 8XX and/or valid 1+PIC'd traffic is not permitted on the two-way virtual port interface. Tier 2 Communications may block such traffic where technically feasible. Traffic not permitted on the two-way virtual port interfaces that Tier 2 Communications does not block or is not able to block, will be billed as NON-IPeVIS traffic.
  • In the event a rate center is split between Mileage bands from Tier 2's Point-of-Interconnect with the serving Incumbent Access Tandem, Tier 2 shall declare the mileage band such a rate center shall fall into for usage billing purposes.
  
  
• LIMA POI RATE CENTER LISTING
  • Usage Period for invoicing associated with the Lima Rate Center is currently 20th of the prior month thru the 19th of the current billing month. The usage period date range is subject to change in accordance with Tier 2's tariff as well as regulatory requirements of the FCC and the State Public Utilities Commission.

    Rate Center Name	Rate Center NPA/NXXs (*)	Mileage	On-Net Terminating Carrier OCNs
    Ada	419-558, 419-634, 419-772, 567-221	0-25 Miles	0661, 8168
    Beaverdam	419-643, 567-749	0-25 Miles	0661, 8168
    Bluffton	567-226, 419-358, 419-369, 419-792	0-25 Miles	0661, 8168
    Ohio City	419-965	25-50 Miles	0661, 8168
    Ottawa	419-890, 419-523, 419-615, 419-969	25-50 Miles	0661, 8168
    Spencerville	419-647	0-25 Miles	0661, 8168
    Venedocia	419-667	0-25 Miles	0661, 8168
    Waynesfield	419-568, 419-780	0-25 Miles	0661, 8168
    Delphos	419-741, 419-692, 419-695, 419-863, 567-765	0-25 Miles	0661, 8168
    Elida	419-338, 419-339, 419-909	0-25 Miles	0661, 8168
    Lima	419-204, 419-221, 419-222, 419-223, 419-224, 419-225, 419-226, 419-227, 419-228, 419-229, 419-230, 419-231, 419-233, 419-234, 419-235, 419-236, 419-296, 419-302, 419-303, 419-331, 419-371, 419-516, 419-548, 419-549, 419-604, 419-812, 419-860, 419-879, 419-905, 419-979, 419-991, 419-993, 419-995, 419-996, 419-998, 419-999, 567-204, 567-242, 567-371, 567-712, 567-825, 567-940	0-25 Miles	0661, 8168

    (*) Active NPA/NXXs per rate center are subject to change at any time. For the most current listing consult the LERG or contact Tier 2 Communications.
    
    

OTHER TERMS & DEFINITIONS:

1. IPeVIS is defined as Internet Protocol enabled Voice Information Service. Traffic is defined as IPeVIS traffic only when it meets both of the following requirements
   1. Traffic must be originated by an IPeVIS End User served through a Two-Way DAS Virtual Port and associated local Telephone Number service of Tier 2 Communications.
   2. Traffic must be of a Local Jurisdiction when it is not PIC'd. If traffic not local, it must be valid 8XX Toll Free Traffic or 1+PIC'd traffic to a valid third party Interexchange Carrier.
   3. Traffic must be transported from the IPeVIS End User Site by the Tier 2 Communications Customer to the Two-Way Das Virtual Port Interface Point-of-Presence using an IP Dedicated Access Connection. All such traffic must remain in IP format from the IPeVIS End User's Point of Origination to the Tier 2 Customers Two-Way DAS Virtual Port Interface Point-of-Presence.
2. NON-IPeVIS traffic is any traffic that does not meet the requirements of General Note One (1).
   1. Traffic originating from the 2-Way DAS customer's IPeVIS Users that is not Local, valid 8XX and/or valid 1+PIC'd traffic is not permitted on the two-way virtual port interface. Tier 2 Communications may block such traffic where technically feasible. Traffic not permitted on the two-way virtual port interfaces that Tier 2 Communications does not block or is not able to block, will be billed as NON-IPeVIS traffic.
   2. Tier 2 agrees to make available or cause to be made available IP Voice Termination Services on an ICB basis through Com Net, Inc. When a Customer of Tier 2 Two-Way DAS Virtual Port service contracts and utilizes IP Voice Termination services for all NON-IPeVIS traffic, the parties will utilize their best efforts to identify all such traffic and make the necessary translation changes to migrate all NON-IPeVIS traffic to utilize Com Net IP Voice Termination services within a reasonable time frame.
3. ON-Net IPeVIS is traffic that meets the requirement of General Note One (1) and is:
   1. Destined for an End User served with a Tier 2 Communications telephone number or a ported-in telephone number to Tier 2's LRN that is within the local calling area of the originating End User telephone number, OR
   2. Destined for an End User served with a current (non-ported out) telephone number of the Incumbent Local Exchange Carrier (ILEC) T that the Virtual Port of Tier 2 interface with and is within the local calling area of the originating End User telephone number.
4. OFF-NET IPeVIS traffic is any traffic that satisfies the requirement of General Note One (1) but DOES NOT satisfy the requirement of General Note (3).
5. Benchmark thresholds will apply with respect to normal network usage as it relates to automated 3rd Party IP-TDM Call Completion, call forwarding and three-way call and release services. In the event of any such excessive usage, switched access charges of the terminating End Office shall apply to the 2-Way DAS VPS customer responsible for originating such traffic over Tier 2's Point-of-Interconnect (POI) to the Public Switched Telephone Network (PSTN).
6. The parties agree that at Tier 2's sole discretion termination service, to Off-Net wireless carriers and to third party exchange carriers in the local calling scope of the served rate centers, may be modified to an alternate On-Net IPeVIS peering arrangement. In such cases the arrangement will require that all parties utilize their best effort to realize such alternate peering arrangement in a timely manner.
7. The parties understand that Two-Way DAS Service with Local Numbers is a detariffed special access service of Tier 2. Only certain service terms and pricing are considered to be detariffed, any change resulting in a rate increase or termination of the service by Tier 2 shall be done so with ninety (90) days advanced written notification in accordance with its tariff and other regulatory requirements.
8. For the purpose of effectively managing Tier 2's limited number resources in the local rate centers, Tier requires that a number block of 20 be purchased in groups of five (5) or 100 numbers at a cost of $15.00 MRC with 2-Way DAS VPS.
9. Calls sent to the Two-Way DAS Virtual Port Interface by the Tier 2 Customer without an accurate Calling Party Number (CPN), or sent without a CPN, will be classified as NON-IPeVIS traffic and will be rated as such for usage billing.
10. The Two-Way DAS Customer must prevent any external party, other than legally authorized agencies, from accessing private CPN that is sent to the Two-Way DAS Customer. The Two Way DAS Customer must implement procedures to restrict internal access to private CPN, and that all records of private CPN are destroyed after a reasonable period of time. Two-Way DAS Customer shall be responsible for FCC and Public Utilities Commission requirements with respect to Customer Proprietary Network Information (CPNI) requirements on all Tier 2 telephone number resources (including ported-in telephone numbers to Tier 2's LRN) placed into service. Any lawful request from law enforcement must be honored by the Two-Way DAS VPS customer as a Voice-over-Internet Protocol Provider.
11. Emergency 911, Operator and National Directory Assistance Services are not available with Two-Way DAS VPS Special Access Services.
12. Service Establishment Fee: $1,000 NRC. This fee may be waived on an Individual Case Basis (ICB) if Customer subscribes to Network Operations Center Time & Expense Services from Com Net, Inc that Tier 2 determines to be mutually beneficial to all parties in association with the service offering. All time spent by Com Net specifically in association with establishing the service for the customer network shall be logged against the customer's monthly retainer. Any time associated with providing general operations support for Tier 2 Communications' Network shall be time billed to Tier 2 in accordance with its contract with Com Net for Management Services. In the event either party terminates its agreement with Com Net for such mutually beneficial NOC T&E Services any associated ICB waiver shall be terminated and the associated fee may be applied.
13. Service Management Fee: $200 MRC. This fee may be waived on an ICB basis if Customer subscribes to NOC T&E Services from Com Net, Inc that Tier 2 determines to be mutually beneficial to all parties in association with the service offering. All time spent by Com Net specifically in association with managing the service for the customer's network shall be logged against the customer's monthly retainer. Any time associated with providing general operations support for Tier 2 Communications' Network shall be time billed to Tier 2 in accordance with its contract with Com Net for Management Services. In the event either party terminates its agreement with Com Net for such mutually beneficial NOC T&E Services any associated ICB waiver shall be terminated and the associated fee may be applied.
14. TWO-WAY DAS Messaging Application Charge: LATA Monthly Charge: $1,200 and Point Code Monthly Charge: $400. This fee shall be waived on an ICB basis provided the 2-Way DAS VPS Customer contracts with Com Net for SS7 Services for the LATA in which service are to be provided. This waiver is granted based on mutual benefits Tier 2 and 2-Way DAS VPS Customer shall realize by using a common SS7 provider. In the event either party terminates its agreement with Com Net for such mutually beneficial SS7 Services any associated ICB waiver shall be terminated and the associated fees will be applied.
15. Provisioning (Add, Move or Change) Charge: $125 NRC. This fee will apply whenever Customer requests a move, add or change in the established service connection and activated rate centers.
16. NUMBER PORTING: $35 per Port-In Request Processed. This fee may be waived in the event Customer holds a Number Porting Service Order Administration (NP SOA) Agreement with Com Net that Tier 2 determines to be mutually beneficial to all parties in association with the service offering. In the event Customer holds such an agreement all ports shall be handled under the agreement between Com Net, Inc and Tier 2 Communications for Port-In and Port-Out services. In the event either party terminates its agreement with Com Net for such mutually beneficial NP-SOA Services any associated ICB waiver shall be terminated and the associated fees will be applied.
17. Tier 2 may, on an ICB basis, agree to a defined ramp period on 2-Way DAS VPS Virtual Ports on a per POI basis only once more than four (4) rate centers are activated on the initial subscribed Virtual Port. When Tier 2 agrees to such a ramp period incremental Virtual Port charges shall apply the earlier of the expiration of the agreed to ramp period or at such time that the Minutes of Use for the POI site exceed 25,000 Minutes of Use times the number of invoiced Virtual Ports.
18. NON-RECURRING CHARGES: All non-recurring charges are invoiced in the first month billing cycle in which they are incurred.
19. MONTHLY RECURRING CHARGES:
    1. All flat rate Monthly Recurring Charges are invoiced in advance for the month of service.
    2. All Monthly Usage Fees are invoiced in the billing cycle following the period in which they were incurred.
    3. The fees designated do not include, and Customer agrees to pay, all other applicable taxes, regulatory surcharges, recovery fees, shipping charges, and other similar charges specified or allowed by any governmental entity relating to the sale, use or provision of the Services. Taxes and government surcharges will be in the amounts that federal, state, and local authorities require or permit Provider to bill Customer. Notwithstanding the foregoing, the parties will work in good faith to determine whether taxes, surcharges, recovery fees, etc. are properly charged or are subject to exemptions or otherwise not required to be paid by Customer.

Rate Element Descriptions – Standard Features (Plans A and B)

DS-1 Control Office Access Port

The port is used to connect the Digital Access Loop to theCompany’s serving switch. Monthly recurring andnon-recurring installation charges apply per DS-1 ordered. Three access port options are available.

Option 1 (23B + Primary D Channel): The Company provisions23, 64Kbps Bearer (B) channels and one 64Kbps Delta (D) channel over a1.544Mbps DS-1 transport facility.

All 23 64Kbps Bearer channels must originate in one Company switch andphysically terminate within the same rate center as theCustomer’s physical location.

Available only within calling areas served by Company NPA-NXXs.

May be combined with Option 2 to form a larger DAS Serving Arrangement,up to a maximum of 478 64Kbps B channels or 20 DS-1facilities. Each DAS Serving Arrangement requires thepurchase of at least one Option 1.

Provides one rate center per DAS Serving Arrangement within a singleCompany switch local serving area.

Option 2 (24B): The Company provisions 24, 64Kbps Bearerchannels over a 1.544Mbps DS-1 transport facility. The 24Bearer (B) channels in Option 2 are controlled by the Delta (D) channelfrom Option 1.

The Customer may order DAS arrangements that combine an Option 1configuration with multiple Option 2 configurations to form a largertrunk group (up to a maximum of 478 64Kbps B channels). TheCompany requires a minimum purchase of one Option 1 configuration perDAS arrangement; therefore, the Company will not provision Option 2 asa stand-alone product.

All 24 64Kbps Bearer channels must originate in one Company switch andphysically terminate within the same rate center as theCustomer’s physical location.

Provides one rate center per DAS Serving Arrangement within a singleCompany switch local serving area.

Digital Access Loop

The Digital Access Loop is a digital 1.544Mbps DS-1 trunk facilityordered from the customer premises to the Company network point ofpresence, or from the Customer collocation space within the Companynetwork point of presence. A Digital Access Loop must bepurchased on every order associated with the purchase of a CentralOffice Port (Options 1 and 2). Digital Access Loops are notfor sale without Options 1 or 2. Monthly recurring andnon-recurring installation charges apply per DS-1 ordered. The Digital Access Loop is offered only where facilities and operatingconditions permit and is not offered across LATA boundaries. The Digital Access Loop charge will be waived if the Customer iscollocated.

DAS Subgroup

This feature allows Customers who subscribe to multiple associatedservice types within a single DAS Serving Arrangement to createsubgroups, thereby dedicating a certain number of channels to aparticular service type. DAS subgroup is available with PlanB only.

Caller Identification

This feature displays the billing phone number of the calling party on specially designed customer-provided telephoneequipment. Caller ID will only be provided when the phonenumber information is available to the Company. Caller IDwill provide the phone number only.

Hunting Within a DAS Subgroup/Arrangement

This feature provides the ability to send traffic from one DAS toanother within the same DAS Service Arrangement. Huntingwithin a DAS Arrangement may be sequential or uniform calldistribution. DAS Service Arrangements may only be comprisedof DAS from one Plan (Plan A or Plan B).

Rate Element Descriptions – Optional Features

DID

Enables incoming calls to be completed to CPE without attendantintervention through the out-pulsing of digits. Charges pernumber block apply in full, regardless of the number of DID numbersactually utilized by the Customer.

Number Block Charges

Provides the ability for the Customer to order additional telephonenumbers. Charged per block of 20 phone numbers. There will be no ability to reserve numbers for future use except bypurchasing number blocks (subject to availability).

Additional Trunk Phone Number

The Company will provide one (1) phone number per DAS ServingArrangement. Individual telephone numbers are available forpurchase on a per number basis as facilities and operating conditionspermit.

Change

Changes relate to the reconfiguration of existing service and/or themodification of any network component. A change is percustomer request and per service address. There are twopricing components involved within a change request.

1-24 = a request of 24 lines (DS-0) or less.

25+ = a request of 25 lines (DS-0) or more.

There is a separate charge for each component respectively.

811 SERVICE FOR “ONE CALL” NOTIFICATION SYSTEMS

GENERAL

The Federal Communications Commission (FCC) assigned the 811 dialingcode for nationwide access to One Call Notification Systems. The 811 dialing code (“811 Service”) is anationwide toll-free number to be used by state “OneCall” notification systems for providing advanced notice ofexcavation activities to underground facility operators. Pursuant to PUCO Case No. 05-1306-TP-COI, 811 Service shall be madeavailable within Ohio by May 14, 2007.

The three digit 811 abbreviated dialing One Call Notification code isassigned to the approved “811 Provider” for use inproviding One Call notification services to the public by way of voicegrade facilities.

811 Service is available from the Company within its services areaonly. To provide access to 811 to end users in anothercompany’s service area or to Competitive Local ExchangeCarrier (CLEC) end users within the local calling area, the 811Provider must make appropriate arrangements with the other company orCLEC serving that territory. The 811 Provider should workseparately with competing local providers to ascertain that its enduser customers will be able to reach one-call services provided bydialing 811.

All 811 abbreviated dialing code calls must be local in nature and willnot result in any expanded local calling area (ELCA), intraLATA toll,interLATA long distance, or pay-per-call charges to Companysubscribers. However, 811 Service calls may result in localmeasured service charges where Company subscribers’ serviceplans include such charges.

The 811 Service is not available for the following classes ofservice: inmate service, 1+ and 0+ calling, 0- operatorassisted calling and 101XXXX calling. 811 Service isotherwise available wherever local service is accessible.

OBLIGATIONS OF THE APPROVED “ONE CALL” NOTIFICATIONSYSTEMS PROVIDER

The 811 Provider must submit a written application for 811 Service tothe Company. The 811 Provider may establish 811 Service inall or part of the Company’s exchanges. There maybe only one 811 Provider per exchange.

The 811 Provider’s written application to establish 811Service in a Company local exchange must include the following:

The local, foreign exchange, or toll free telephone number into whichthe Company should translate the dialed 811 abbreviated code. If the 811 Provider desires to change the telephone number into whichthe 811 abbreviated dialing code is translated, the 811 Provider mustpay a Subsequent Switch Translation Charge as set forth in Section F.below.

For network sizing and protection, an estimate of annual call volumesand holding time for calls to the 811 Service.

An acknowledgement of the possibility that the Commission’sassignment of the 811 abbreviated dialing code may be recalled at anytime.

Local Calling for Company Subscribers

The 811 Provider, in cooperation with the Company, will assure that all811 Service calls are local and do not generate ELCA, intraLATA toll,interLATA long distance, or pay-per-call charges for Companysubscribers.

When the 811 Provider applies for 811 Service from the Company, the 811Provider must supply the Company with a toll free number. TheCompany will translate the 811 digits into the telephone numberprovided by the 811 Provider.

The 811 Provider is liable for and will indemnify, protect, defend andhold harmless the Company against all suits, actions, claims, demandsand judgments, plus any expenses and counsel fees incurred by theCompany on account thereof, whether suffered, made, instituted orasserted by the 811 Provider or any other party or person, for anypersonal injury to or death of any person or persons, or for any loss,damage, or destruction of any property, whether owned by the 811Provider or others, arising out of or resulting directly from the 811Service.

The 811 Provider must develop an appropriate method of responding to811 calls directed to it out of confusion or in error by Companysubscribers.

The 811 Provider must subscribe to termination facilities and lines insufficient quantities to provide adequate service to the public, andenable the 811 Provider to receive calls to the 811 Service duringnormal business hours.

The 811 Service is provided on the condition that the 811 Providersubscribes to termination facilities and lines in sufficient quantitiesto adequately handle calls to the 811 Service without interfering withor impairing any services offered by the Company.

The 811 Provider must comply with all present and future state andfederal rules pertaining to abbreviated dialing codes.

The 811 Provider is responsible for obtaining all necessarypermissions, licenses, written consents, waivers and releases and allother rights from all persons whose work, statements or performancesare used in connection with the 811 Service. The 811 Provideris also responsible for obtaining all necessary permissions, licenses,written consents, waivers, and releases and all other rights from allholders of copyrights, trademarks and patents used in connection withthe 811 Service.

The 811 Provider must respond promptly to all complaints lodged withany regulatory authority against the 811 Service. Ifrequested by the Company, the 811 Provider must assist the Company inresponding to complaints made to the Company concerning the 811 Service.

The 811 Provider shall not promote the 811 Service with the use of anyauto dialer or broadcasting of tones that dial the 811 abbreviateddialing code.

The 811 Provider must work separately with CLECs operating and servingcustomers in the Company’s exchange(s) to ascertain whether811 abbreviated dialing will be available to their end users.

OBLIGATIONS OF THE COMPANY

The Company will establish the 811 Service within ninety days afterreceipt of the 811 Provider’s completed application(s) forservice or the effective date of this Tariff, whichever is later.

When an 811 Service call is placed by the calling party viainterconnection with an interexchange carrier, the Company cannotguarantee the completion of said 811 Service call, the quality of thecall or any features that may otherwise be provided with the 811Service.

The Company will route 811 calls originating from end users on theCompany’s local exchange network whether they purchaseservice directly from the Company or from another provider resellingcompany service. Otherwise, the Company is not responsiblefor establishing 811 Service for calls originating from othertelecommunications providers.

The Company does not undertake to answer and forward 811 Service callsbut furnishes the use of its facilities to enable the 811 Provider torespond to such calls at the 811 Provider-established call centers.

The rates charged for 811 Service, if applicable, do not contemplatethe inspection or constant monitoring of facilities to discover errors,defects, and malfunctions in service, nor does the Company undertakesuch responsibility. The 811 Provider must conduct suchoperational tests as, in the judgment of the 811 Provider, are requiredto determine whether the Company’s facilities are functioningproperly for its use. The 811 Provider must promptly notifythe Company in the event the Company’s facilities are notfunctioning properly.

LIABILITY

The liability of the Company for losses or damages of any kind arisingout of mistakes, omissions, interruptions, delays, errors or defects intransmission, or failure or defects in any facility furnished by theCompany, occurring in the course of furnishing 811 Service, or of theCompany in failing to maintain proper standards of maintenance andoperation or to exercise reasonable supervision, shall in no eventexceed an amount equivalent to the proportionate charge to the 811Provider for the 811 Service and local exchange services for the periodof service during which such mistake, omission, interruption, delay,error or defect in transmission or defect of failure in facilitiesoccurs.

The Company is not liable for any losses or damages caused by thenegligence of the 811 Provider.

The Company’s entire liability to any person for interruptionor failure of the 811 Service is limited to the terms set forth in thisand other sections of this Tariff.

The Commission’s local assignment and the 811Provider’s use of the 811 abbreviated dialing code aresubject to preemption by the Federal CommunicationsCommission. The Company shall not be liable to the 811Provider for any damages the 811 Provider may incur that result from anational assignment of the 811 abbreviated dialing code.

The Company will make every effort to route 811 calls to theappropriate 811 Provider call center. However, the Companywill not be held responsible for routing mistakes or errors.

OTHER TERMS AND CONDITIONS

The 811 Service will not provide calling number information in realtime to the 811 Provider. If this type of information isrequired, the 811 Provider must subscribe to compatible Caller IDservice as described elsewhere in this Tariff.

The 811 Service is provided for the benefit of the 811Provider. The provision of the 811 Service by the Companyshall not be interpreted, constructed or regarded, either expressly orimplied, as being for the benefit of or creating any Company obligationtoward any third person or legal entity other than the 811 Provider.

A written notice will be sent to the 811 Provider following oralnotification when its 811 Service unreasonably interferes with orimpairs other services rendered to the public by the Company or byother subscribers of abbreviated dialing codes. If, aftersuch notification, the 811 Provider makes no modification in method ofoperation or in the service arrangements that are deemedservice-protective by the Company, or if the 811 Provider is unwillingto accept the modifications, or if the 811 Provider continues to causeservice impairment, the Company reserves the right, at any time,without further notice, to institute protective measures, up to andincluding termination of service.

In an emergency situation as determined by the Company, the Companyreserves the right, at any time, without notice, to instituteprotective measures, up to and including termination of service.

RATES & CHARGES

A Switch Translation Charge applies for each Company host centraloffice out of which the 811 Provider orders 811 Service, as follows:

When a Company exchange is served by more than one host central office,a Switch Translation Charge is applicable for each host central officein that exchange.

If the 811 Provider establishes 811 Service in multiple Companyexchanges serviced by the same host central office, only one SwitchTranslation Charge applies.

A Subsequent Switch Translation Charge applies when the 811 Providerapplies to change the telephone number into which the 811 abbreviateddialing code is translated. The Subsequent Switch TranslationCharge is applied on a per telephone number, per host central officebasis.

When translating the seven or ten digit number to the 811 abbreviateddialing code, applicable Service Ordering Charges will apply.

Rates:

Nonrecurring Charge

Switch Translation Charge*: $115.00

Subsequent Switch Translation Charge: $115.00

Initial Service Ordering Charge: $42.00

Subsequent Service Ordering Charge: $26.00

*The Switch Translation Charge is applied at the host central office only, and covers all offices that are part of that host complex with a single translated number. This charge applies for each translated number if multiple numbers are required.