GENERAL EXCHANGE TARIFF. Tariffs Part II The Southern Section 38 New England Telephone Company Sheet 1

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1 Telephone Company Sheet 1 A. INTERCONNECT SERVICE 1. GENERAL Interconnect Service for Domestic Public Cellular Mobile Carriers is a grandfathered service. Customers who currently have this service may retain it, however, no new service will be provided. This tariff provides (subject to availability) Telephone Company facilities, which enable Cellular Mobile Carriers, licensed by the Federal Communications Commission under Part 22 and 90 of the FCC regulations, to interconnect with the Public Switched Telecommunications Network. These interconnection arrangements primarily consist of Central Office Connecting Channels, Radio Landlines, Data Channels, and Network Access Arrangements. The Telephone Company makes no distinction in these tariffs between a wireline and non-wireline Domestic Public Cellular Mobile Carrier (herein referred to as a Cellular Carrier). Upon request, every non-wireline Cellular Carrier licensee has the right to interconnect with the Telephone Company s landline network in the identical manner as any wireline Cellular Carrier licensee. Where a Cellular Carrier seeks interconnection arrangements different than those offered under these tariffs, the Cellular Carrier may negotiate with the Telephone Company other interconnection arrangements, which are reasonable and technically suitable for the Cellular Carrier s system. Such arrangements will be filed for inclusion in this tariff. This tariff provides a choice of interconnect arrangements - Type I end office interconnect; Type IIA access tandem interconnect; Type IIB specific end office interconnect. The following diagram depicts a generic configuration of a cellular system and the interconnecting facilities. 2. Definitions Cellular Carrier s Switching Office - the centralized control and switching equipment of the Cellular Carrier s system. Cellular Geographic Service Area (CGSA) - the geographic area within which the Cellular Mobile Carrier is authorized to provide cellular Mobile service.

2 Telephone Company Sheet 2 2. DEFINITIONS (Continued) Cellular Mobile Carrier (CMC) - a communication carrier authorized by the Federal Communications Commission to provide cellular mobile service within a specified CGSA. Cell Sites - the location of the radio transmitter/receiver operated by the Cellular Carrier. Central Office - a Class 5 Telephone Company office, which provides local exchange service. A Telephone Company end office. Central Office Connecting Channels - voice grade channels provided by the Telephone Company, which interconnect the Cellular Carrier's Switching Office with the Public Switched Telecommunications Network (PSTN) via a Telephone Company central and/or tandem office. Data Channels - unconditioned voice grade data channels provided by the Telephone Company which interconnect Cellular Carrier's Cellular Switching Office with the Cellular Carrier's Cell Site via Telephone Company Central Offices. End Office - a local Telephone Company switching system that connects customer station lines to customer station lines and customer station lines to Telephone Company network trunks. A Class 5 office. Network Access Arrangement - provides network access service for the Cellular Carrier. This arrangement will route wireline originating traffic to the Cellular Carrier Switching Office. The network access arrangement also receives wireline terminating traffic from the Cellular Carrier Switching Office and switches it to the wireline telephone. Point of Termination (POT) - a demarcation point between the Telephone Company and the Cellular Carrier. This point establishes the technical interface, the test point(s) and the point of operational division of responsibility. Radio Landlines - voice grade channels provided by the Telephone Company, which connect the Cellular Carrier's Cellular Switching Office with Cellular Carrier's Cell Sites. Serving Wire Center (SWC) - the Telephone Company office, which serves, via a local channel, the customerdesignated premises location. Subscriber Line Treatment - allows calls to be connected to valid office codes within the Telephone Company's network as well as Repair Service, Directory Assistance, Operator Assistance or services provided by interexchange carriers or other Cellular Carriers. Tandem Office - a Class 4 Telephone Company switching system that provides a concentration and distribution function for public switched network traffic within the 203 NPA. 3. REGULATIONS The regulations, rates and charges specified herein are specific to Cellular Carriers and are in addition to regulations contained in General Regulations, Tariffs Part I.

3 Telephone Company Sheet 3 3. REGULATIONS (Continued) 3.1 Undertaking of the Telephone Company A. Interconnections provided to a cellular system under the provision of this tariff are for use in conjunction with the carrier's operation as a Cellular Carrier only and under the rules and regulations of the Department of Public Utility Control and the Federal Communications Commission. B. The type of channel construction and its routing are at all times determined by the Telephone Company and ownership of such channels shall remain vested in the Company. C. The Telephone Company will administer the network to insure the provision of acceptable service levels to all telecommunications users of the Telephone Company's network services. Generally, service levels are considered acceptable only when all customers are able to establish connections with little or no delay encountered within the Telephone Company network. To insure acceptable service levels the Telephone Company maintains the right to apply protective controls (i.e., those actions such as call gapping, which selectively cancel the completion of traffic) over any traffic carried over its network. Generally, such protective measures would only be taken as a result of occurrences such as failure or overload of the Telephone Company or cellular carrier facilities, natural disasters, mass calling or national security demands. In the event that protective controls applied by the Telephone Company result in the complete loss of service by the cellular carrier, a credit allowance for service interruption will be granted as set forth in 3.6 following. 3.2 Limitations A. The service provided under this tariff may not be assigned or transferred without notification and concurrence of the Telephone Company. B. The use and restoration of services shall be in accordance with the Company s Essential Service Guidelines and Part 64, Subpart D, Appendix A, of the Federal Communications Commission's Rules and Regulations, which specifies the priority system for such activities. C. The Telephone Company cannot guarantee that a metallic facility will be provided or available when required by a Cellular Carrier. 3.3 Minimum Periods The minimum period for which services are provided and for which rates and charges are applicable is one month unless specified otherwise.

4 Telephone Company Sheet 4 3. REGULATIONS (Continued) 3.4 Liability A. The Telephone Company shall be indemnified, defended and held harmless by the Cellular Carrier against any claim, loss or damage arising from the Cellular Carrier's use of services offered under this tariff, involving: (1) Claims for libel, slander, invasion of privacy, or infringement of copyright arising from any communications; (2) Claims for patent infringement arising from combining or using the service furnished by the Telephone Company in connection with facilities or equipment furnished by the Cellular Carrier; (3) All other claims arising out of any act or omission of the Cellular Carrier in the course of using services provided pursuant to this tariff. B. The Telephone Company's failure to provide or maintain services under this tariff shall be excused by such events as labor difficulties, governmental orders, civil commotions, criminal actions taken against the Telephone Company, acts of God and all other circumstances beyond the Telephone Company's reasonable control, subject to the Credit Allowance for a Service Interruption as set forth in 3.6 following. 3.5 Payment of Rates, Charges and Deposits The Telephone Company shall bill on a current basis all rates and charges incurred by and credits due to the Cellular Carrier under this tariff attributable to services established or discontinued during the preceding billing period. In addition, the Telephone Company shall bill in advance rates and charges for all services to be provided during the ensuing billing period except for charges associated with service usage. Such bills are due when rendered. Adjustments for the quantities of services established or discontinued in any billing period beyond the minimum period set forth for services in other sections of this tariff will be prorated to the number of days or major fraction of days based on a 30-day month. 3.6 Credit Allowance for Service Interruptions A. For interexchange service, no credit is allowed for interruptions to service of less than thirty minutes. Interruptions of thirty minutes or over, which are reported to the Telephone Company and which are not due to the negligence or willful act of the Cellular Carrier, are credited to the Cellular Carrier at the proportionate monthly tariff charge in half hour multiples for each half hour or major fraction thereof of interruption from receipt of the report. B. For intraexchange service, no credit is allowed for interruptions to service of less than twenty-four hours. Interruptions of twenty-four hours or over which are reported to the Telephone Company are credited to the Cellular Carrier at the proportionate monthly charge for each twenty-four hours or major fraction thereof of interruption from receipt by the Telephone Company of the report.

5 Telephone Company Sheet 5 4. INTERCONNECT SERVICE DESCRIPTION Interconnect service provides transmission paths to connect (1) a Cellular Carrier's cell site with the Cellular Carrier's Switching Office, and (2) a Telephone Company Central Office with the Cellular Carrier Switching Office. A. Type I Interconnect Type I Interconnect is a dedicated two-way, four-wire trunk between the Telephone Company end office and the Cellular Carrier's switching system. Type I "subscriber line treatment" allows incoming calls from the Cellular Carrier to be connected to any valid office code(s) within the 203 NPA, as well as Repair Service, Directory Assistance, Operator Assistance or services provided by interexchange carriers, other Cellular Carriers or Local Exchange Carriers. Calls from the public switched network to the Cellular Carrier are connected through the end office associated with the called cellular mobile station number. Type I Interconnect is available only from Telephone Company electronic stored program control (SPC) offices. B. Type IIA Interconnect Type IIA Interconnect is a dedicated two-way, four-wire trunk between the Telephone Company tandem office and the Cellular Carrier's switching system. Incoming calls from the Cellular Carrier are connected to any valid office code(s) within the 203 NPA. Calls from the public switched network are connected to the Cellular Carrier through the tandem office associated with the called cellular mobile station number. Type IIA Interconnect is available only from Telephone Company access tandem offices. C. Type IIB Interconnect Type IIB Interconnect is a dedicated two-way, four-wire trunk between the Telephone Company end office and the Cellular Carrier's switching system. Incoming calls from the Cellular Carrier are connected only to those valid subscriber telephone numbers served by the Telephone Company end office. Calls from the Telephone Company end office are connected to the Cellular Carrier. Type IIB Interconnect is available only from Telephone Company electronic stored program control (SPC) offices. 4.1 Channel Types There are three (3) Interconnect Service channel types and they are: - Voice Radio Landlines - Data Channels - Central Office Connecting Channels Each channel type has its own characteristics and a brief description of the channel types follows. Basic Parameters and Specifications for Voice Grade and Unconditioned Voice Grade Data Channels.

6 Telephone Company Sheet 6 4. INTERCONNECT SERVICE DESCRIPTION (Continued) 4.1 Channel Types (Continued) A. Voice Radio Landline Channel Type 2401 A four-wire facility for use between the Cellular Carrier's premises (Cellular Carrier Switching Office) and a Cellular Carrier's cell site for two point voice service with transmission and signaling arrangements to be specified by the Cellular Carrier but within the limits stated in the transmission and signaling arrangements contained in 4.2. B. Data Channel Channel Type 3402 A four wire facility for use between the Cellular Carrier's premises (Cellular Carrier Switching Office) and a Cellular Carrier's cell site for two point data service engineered for a 1000Hz net loss of 16dB. C. Central Office Connecting Channel Channel Type 2406 A four wire facility for use between a Cellular Carrier's designated premises (Cellular Carrier Switching Office) and a Telephone Company central office or tandem office for two point voice service with transmission and signaling arrangements to be specified by the Cellular Carrier but within the limits stated in the transmission and signaling arrangements contained in Channel Transmission and Signaling Arrangements The channel transmission and signaling arrangement is required for use with voice radio landlines and central office connecting channels to provide the Cellular Carrier's specified transmission and signaling requirements within the parameters stated in 4.2 A and B. A. Transmission Limits 1. When ordering central office connecting channels, the Cellular Carrier must specify the transmission levels, both transmit and receive, at the Cellular Carrier Switching Office within the range +7 to -16dB TLP (Test Level Point) and the receive TLP at the Telephone Company central office not to exceed -3dB TLP. The signal power averaged over any 3 second interval delivered to the channel shall be 13dB below the designated TLP. 2. When ordering voice radio landline channels, the Cellular Carrier must specify both the transmit and receive levels within the range of +7 to -16dB TLP at the Cellular Carrier Switching Office and the Cellular Carrier's cell site locations. The signal power averaged over any 3 second interval delivered to the channel shall be 13dB below the designated TLP.

7 Telephone Company Sheet 7 4. INTERCONNECT SERVICE DESCRIPTION (Continued) 4.2 Channel Transmission and Signaling Arrangements (Continued) B. Signaling Limits 4.3 Conditioning The Cellular Carrier must specify the following signaling arrangements: E&M Signaling Interface - Type I or Type II Signaling Mode - Type DX1 mode Terminal equipment originates on the M lead. - Type DX2 mode Terminal equipment originates on the E lead. Data conditioning is furnished for use with radio landline data channels only and is restricted to two point channels, which are not arranged for switching. Various forms of data conditioning are available under the terms, rates and conditions as stated in the Telephone Company Private Line Services and Channels Tariff Part IV. Section Emergency Power Up to 8 hours of reserve emergency power for local channels for protection against a Carrier's commercial power failure is available on an optional basis. 4.5 Network Access Arrangement Network Access Arrangements provide network access service for the Cellular Carrier. This arrangement will route wireline originating traffic to the Cellular Carrier switching office. The network access arrangement also receives wireline terminating traffic from the Cellular Carrier switching office and switches it to the called wireline telephone. For wireline terminating calls the network access arrangement receives the call from the Cellular Carrier Switching Office and switches such calls as provided with the specific interconnect type as ordered and described in Section A.4 preceding. The wireline terminating call will be based on a usage schedule as defined in B. following. Network access arrangements are required on a one-to-one basis for each central office connecting channel used with a Type I, IIA or IIB Interconnect. 4.6 Special Construction The Telephone Company, upon request, will negotiate special construction requirements. Charges for special construction will be on an individual case basis.

8 Telephone Company Sheet 8 4. INTERCONNECT SERVICE DESCRIPTION (Continued) 4.7 Special Facilities Routing The services provided under this tariff are provided over such routes and facilities as the Telephone Company may select. Special Facilities Routing is involved when, in order to comply with requirements specified by the Cellular Carrier, the Telephone Company provides facilities in a manner which includes one or more of the following conditions: charges for special facilities routing will be on an individual case basis. Route Diversity Two or more facilities must be provided over more than one different physical route. Avoidance A service must be provided on a route, which avoids specified geographical locations. Duct Diversity Two or more facilities must be provided in more than one physically different duct. 5. Telephone Numbers Telephone numbers are available on a monthly basis in blocks of one hundred numbers for use with Type I Interconnect or on a nonrecurring charge basis for a dedicated NXX for use with Type II Interconnect. Telephone numbers, which are requested by the Cellular Carrier are made available by the Telephone Company (subject to availability of facilities and numbers) in a manner that allows for the efficient operation of the public switched telephone network and is consistent with the administration of the North American Numbering Plan. When telephone numbers are requested by the Cellular Carrier for its service, they will be furnished, subject to availability, as soon as possible after receipt of a written request thereof. Telephone numbers available on a monthly basis are assigned sequentially in blocks of one hundred (100). Additional numbers, ordered subsequently to the provision of initial blocks of one hundred (100), will be numbered sequentially within their own blocks of one hundred (100), but not necessarily in sequence to those blocks of numbers already assigned. 5.1 Limitation of Offering The Telephone Company reserves the right to regain access to unused numbers for its landline customers if after a reasonable period of time the Cellular Carrier does not utilize all 10,000 numbers in the NXX block and there is a shortage of telephone numbers for landline customers.

9 Telephone Company Sheet 9 5. TELEPHONE NUMBERS (Continued) 5.2 Assignment of or a Change in Telephone Number Neither the Cellular Carrier nor any other user has a property right in any telephone number assigned, nor any right to the provision of telephone numbers or continuance of telephone numbers in any particular exchange or through any particular central office or type of central office. The Telephone Company may change the telephone number, exchange or central office designation or the type of serving central office whenever it deems it necessary in the operation of its business. 5.3 Reservation of Telephone Numbers In recognition of its responsibility for the administration of exchange service and central offices, the Telephone Company retains exclusive rights in connection with any reservation of telephone numbers. 5.4 Intercept Facilities It is not the undertaking of the Telephone Company to provide for the interception of calls mistakenly placed to telephone numbers assigned to a Cellular Carrier and which are not being utilized. 5.5 Directory Listings and Exchange Service The provision of telephone numbers to a Cellular Carrier for its own use does not include the furnishing of directory listings. 6. WIDE AREA TELEPHONE SERVICE (WATS) Where a Cellular Carrier requires WATS service, the regulations, rates and charges are specified in Tariffs Part V. Section CHANNEL RATE ELEMENTS There are 5 basic rate elements, which apply to interconnect service channels: - Local channel (described in 7.1 following) - Interoffice channel (described in 7.2 following) - Channel Terminal (described in 7.3 following) - Network Access Arrangement (described in 7.4 following) - Functions (described in 7.5 following) 7.1 Local Channel A local channel is a channel between a Cellular Carrier's premises and its serving central office (i.e., from either the Cellular Carrier's Switching Office or Cellular Carrier's cell site to its serving telephone company central office.

10 Telephone Company Sheet CHANNEL RATE ELEMENTS (Continued) 7.2 Interoffice Channel The interoffice channel is a channel between serving central office buildings. The interoffice channel rate mileage is the airline distance between the central offices determined in accordance with the following: For the purpose of determining rate distances, a Vertical "V" and Horizontal "H" Coordinate system is used. The V-H system consists of a series of coordinates, which represents a theoretical grid of vertical and horizontal lines covering the State of Connecticut. The location of a central office expressed in latitude and longitude is converted mathematically to its grid location, that is Vertical "V" and Horizontal "H" coordinates. These coordinates permit calculation of the rate mileage distance between any two-rate centers. Fractional miles are considered as full miles for rating purposes. 7.3 Channel Terminals Channel terminals are required at each end of the interoffice channel to terminate an interoffice channel. 7.4 Network Access Arrangement The network access arrangement routes wireline originating and switches wireline terminating calls. This rate element is comprised of two parts: (1) recurring monthly rate and (2) a usage charge. For all wireline terminating calls (Cellular Carrier to wireline) a usage charge will apply as indicated in B following. 7.5 Functions A. Channel Transmission and Signaling Arrangements This function allows a Cellular Carrier to specify the transmission levels and signaling options within the parameters and option indicated in 4.2 preceding. For voice radio landlines two such arrangements are required per channel and for central office/connecting channels, only one such arrangement is required per channel. This arrangement is provided on a (1) four wire interface with four wire facilities or (2) a two wire interface with four wire facilities basis. B. Channel Conditioning Conditioning is used to enhance the data channel performance. C. Data Channel Terminating Equipment Transmission equipment required to provide the interface between a data channel and customer provided terminal equipment. D. Emergency Power Emergency power is available on an optional basis for up to 8 hours of reserve power for powering up to 12 local channels terminating at a Cellular Carrier's premises.

11 Telephone Company Sheet 11 7 CHANNEL RATE ELEMENTS (Continued) 7.6 Service Configurations VOICE RADIO LANDLINES AND DATA CHANNELS CENTRAL OFFICE CONNECTING CHANNELS TYPE I INTERCONNECT Type II Interconnect (1) USAGE CHARGES APPLY PER B.3 FOLLOWING

12 Telephone Company Sheet RATE REGULATIONS This section contains the specific regulations governing the rates and charges that apply for Cellular Carrier Interconnect Service. 8.1 Types of Rates and Charges The monthly rates and nonrecurring charges are described as follows: A. Monthly Rates Monthly rates are recurring rates that apply each month or fraction thereof that service is provided. For billing purposes, each month is considered to have 30 days. B. Nonrecurring Charges 8.2 Moves Nonrecurring charges are one-time charges that apply for a specific work activity (i.e. installation or "service rearrangements"). The two types of nonrecurring charges that apply to service are: installation of service and service rearrangements. 1. Installation The nonrecurring charges for the installation of each service are set forth in B. following. 2. Service Rearrangement Changes from one existing service to another is considered a service rearrangement and will be treated as the discontinuance of the existing service and the installation of a new service. The nonrecurring charges described in 1. preceding will apply for this work. Moves that change the physical location of the point of termination are described in 8.2 following. A move involves a change in the physical location of a point of termination at the Cellular Carrier's premises. The charges for the move are dependent on whether the move is to a new location within the same building or to a different building. A. Moves Within The Same Building When the move is to a new location within the same building the charge for the move will be subject to actual costs, "time and material" not to exceed the existing nonrecurring charge. B. Moves To A Different Building Moves to a different building will be treated as a discontinuance and start of service and all associated nonrecurring charges will apply.

13 Telephone Company Sheet 13 B. RATES AND CHARGES 1. Channels Monthly Nonrecurring Rate Charge A. Local Channel Per Local Channel - Voice Radio Landline $41.41 $ Data Channels - Central Office Connecting Channel B. Interoffice Channel - Per mile C. Channel Terminals - Per Channel Terminal (Two required for each interoffice channel) D. Network Access Arrangement - Per Central Office Connecting - - Channel - Usage Charges (See Schedule B.) Type I Interconnect Type IIA Interconnect Type IIB Interconnect E. Functions 1. Transmission and Signaling Arrangement - Per 4/W Arrangement or Per 2/W Arrangement Conditioning (Two such arrangements are required for voice radio landline and one such arrangement is required for central office connecting channel) - Per Local Channel as - - stated in Tariffs Part IV. Section Data Channel Terminating Equipment - Per Local Channel Emergency Power (optional) - Per Cellular Carrier premises for up to 12 local channels (8 hours emergency power)

14 Telephone Company Sheet 14 B. RATES AND CHARGES (Continued) 2. Telephone Numbers Monthly Rate A. Type I Interconnect - Telephone number blocks of one hundred (100) consecutively assigned numbers, each $ Nonrecurring Charge B. Type II Interconnect - Ten thousand (10,000) telephone numbers in the form of a dedicated NXX - $17, Usage Local Usage Charges (frequency, duration, distance, and time of day) Local usage charges are based on a per minute basis for the exchange and the extended local calling area, other exchanges are charged toll message rates as set forth in Tariffs Part V. - Initial minute $ Each additional minute.035 Time/Day Discount - Each local call is billed based upon the rates for the rate period in effect during the call. The appropriate discount applies to the rates for the portion of a call, which occurs during the discounted period shown below: Mon. Tues. Wed. Thurs. Fri. Sat. Sun. 8:00 AM DAY RATE PERIOD... to... * 8:00 PM :00 PM... NIGHT & WEEKEND RATE PERIOD... to... 30% DISCOUNT... * 8:00 AM * To, but not including 1. The one-minute initial period is billed at the rate applying when the connection is established. Each additional minute or fraction is billed as a whole minute at the rate applying when each additional minute begins. 2. Fractional amounts of the total charges are rounded to the nearest whole cent. 3. The night rate applies to the holidays listed below for all hours. - New Year's Day January 1 - Independence Day July 4 - Labor Day -- - Thanksgiving Day -- - Christmas Day December Telephone exchange areas in Connecticut may be found in Tariffs Part X, Section 3.