Document:

EXHIBIT 10.11.3

  
 Exhibit 10.11.3

  
 AMENDMENT NO. 2 
  
 to the 
  
 INTERCONNECTION AGREEMENT 
  
 between 
  
 BELL ATLANTIC – NEW YORK 
  
 and 
  
 PAETEC
COMMUNICATIONS, INC. 
  
 This Amendment No. 2 is made and
effective this 28th day of October, 1999, by and between New York Telephone Co., d/b/a Bell Atlantic – New York
(“BA”), a New York corporation with offices at 1095 Avenue of the Americas, New York, New York 10036, and PaeTec Communications, Inc. (“PaeTec”), a Delaware corporation with offices at 290 Woodcliff Drive, Fairport, New York
14450. BA and PaeTec may be referred to individually as a “Party” and collectively as the “Parties”. 
  
 WITNESSETH: 
  
 WHEREAS, BA and PaeTec are parties to an Interconnection Agreement under Sections 251 and 252 of the Telecommunications Act of 1996 (the “Act”),
effective November 24, 1998 (the “Agreement”); and 
  
 WHEREAS, pursuant to the terms of the Agreement, PaeTec has elected under Section 252(i) of the Act to adopt the terms of the November 11, 1997 agreement between BA and ACC National Telecom Corp. (the “Underlying Terms”); and

  
 WHEREAS, the Parties now desire to amend the Agreement and the
Underlying Terms to set forth the terms and conditions that govern the Parties’ payment of Intercarrier Compensation (as such term is hereinafter defined), including compensation for Internet Traffic (as such term is hereinafter defined);

  
 NOW, THEREFORE, in consideration of the promises and mutual
agreements herein contained, the Parties agree to amend the Agreement as follows: 
  

	1.	Add a new Section 1.75 to the Underlying Terms as follows: 

  
 “ 1.1.75 “Local Traffic” shall have the same meaning as “Telephone Exchange Service Traffic.” “Internet Traffic” (as such term is hereinafter defined) is not Local Traffic or Telephone
Exchange Service Traffic. 
  

	2.	Add a new Section 1.1.76 to the Underlying Terms as follows: 

  
 1.1.76 “Internet Traffic” means any traffic that is transmitted to or returned from the Internet
at any point during the duration of a transmission. 
  

	3.	Add a new Section 1.1.77 to the Underlying Terms as follows: 

  
 1.1.77 “Compensable Internet Traffic” means dial-up switched Internet Traffic that is originated
by an end-user subscriber of one Party, is transmitted by that Party to the switched network of the other Party, and then is handed off by that Party to an Internet Service Provider which has been assigned a telephone number or telephone numbers
within an NXX or NXXs which are within the same LATA as the originating end-user subscriber. Internet Traffic over which telephony is conducted is not Compensable Internet Traffic. 
  

	4.	Delete Section 1.1.57 of the Underlying Terms. 

  

	5.	Add a new Section 1.1.78 to the Underlying Terms as follows: 

  
 1.1.78 “Intercarrier Compensation” refers to the
remuneration received by one Party (the “Receiving Party”) to recover its costs for receiving and terminating Local Traffic or receiving and handing off Compensable Internet Traffic that originates on the network of the other Party (the
“Originating Party”). 
  

	6.	Delete existing Section 4.2 and insert a new Section 4.2 to the Underlying Terms as follows: 

  
 4.2 Geographic Relevance 
  
 4.2.1 Interconnection Points. The Parties shall
establish physical Interconnection Points (“IPs”) at the locations designated on Schedule 4.0, which shall be revised from time to time in accordance with the requirements of this Section. Each Party, as an Originating Party, may request
that the other Party, as a Receiving party, establish IPs on the Receiving Party’s network that are geographically-relevant to the NXXs (and associated rate centers) that are assigned by the Receiving Party. In the case of BA as a Receiving
Party, to the extent PaeTec requests BA to establish a geographically-relevant IP in addition to the BA-IPs at the BA Tandems, the geographically-relevant IP shall be the BA end office serving the Customer for whom the traffic is intended. In the
case of PaeTec as a Receiving Party, BA may request, and PaeTec will then establish, geographically-relevant IPs by establishing a PaeTec-IP at a Collocation site at each BA Tandem in a LATA (or, in the case of a single Tandem LATA, at each BA End
Office Host), for those NXXs serving equivalent BA rate centers which subtend the BA Tandem (or BA End Office Host). In any LATA in which BA agrees that PaeTec may meet its obligation to establish geographically relevant IPs through a Collocation
site at fewer than all of the BA Tandems (or BA End Office Host) in a LATA, including the LATAs identified in Schedule 4.0, then BA shall determine and advise PaeTec as to which PaeTec IP established at a Collocation site (or other available PaeTec
IP) BA will deliver traffic from each relevant originating rate center or other originating location. 
  
 If PaeTec fails to establish a geographically-relevant IP as provided herein within a commercially reasonable time, then PaeTec shall bill and BA shall
pay only the applicable Inter- 

  

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carrier Compensation Rate for the relevant NXX, as set forth in Section 7.0 below, less BA’s monthly recurring rate for unbundled dedicated interoffice
transport from BA’s originating End Office to PaeTec’s IP. 
  
 Should either Party offer additional IPs to any Telecommunications Carrier that is not a Party to this Agreement, the other Party may elect to deliver traffic to such IPs for the NXXs or functionalities served by
those IPs. To the extent that any such PaeTec-IP is not located at a Collocation site at a BA Tandem (or BA End Office Host), then PaeTec shall permit BA to establish physical interconnection at the PaeTec-IP, to the extent such physical
interconnection is technically feasible. 
  
 At
any time that PaeTec establishes a Collocation site at a BA End Office, then either Party may request that such PaeTec Collocation site be established as the PaeTec-IP for traffic originated by BA Customers served by that End Office. Such request
shall be negotiated pursuant to the Joint Grooming Plan process, and approval shall not be unreasonably withheld or delayed. To the extent that the Parties have already implemented network interconnection in a LATA, then upon BA’s request for a
geographically-relevant PaeTec-IP, the Parties shall negotiate a mutually-acceptable transition process and schedule to implement the geographically-relevant IPs. If PaeTec should fail to establish an IP at an end office Collocation site pursuant to
BA’s request, or if the Parties have been unable to agree upon a schedule for completing a transition from existing arrangements to geographically relevant PaeTec IPs or to an end office Collocation site PaeTec IP within sixty (60) days
following BA’s request, PaeTec shall bill and BA shall pay the applicable Intercarrier Compensation Rate for the relevant NXX, as set forth in Section 7.0 below, less BA’s monthly recurring rate for unbundled dedicated interoffice
transport from BA’s originating End Office to the PaeTec-IP. 
  
 Should PaeTec choose to obtain transport from BA for Local and Compensable Internet Traffic from a PaeTec-IP at a Collocation site to another PaeTec location, BA shall bill and PaeTec shall pay, the applicable
unbundled dedicated interoffice transport and channel termination rates set forth herein. 
  
 4.2.2 Trunking Architecture. The Originating Party must establish direct trunking to a Receiving Party’s end office (which may
have a Tandem-routed overflow) by self-provisioning, purchasing transport rated as unbundled dedicated interoffice transport from the Receiving Party, or purchasing from a third party if the Local and Compensable Internet Traffic destined for that
end office exceeds the equivalent of two DSls for any three (3) months during any six (6) month period. For purposes of this paragraph, BA shall satisfy its end office trunking obligations by handing off traffic to a PaeTec IP. Should PaeTec fail to
comply with this end office trunking requirement, then the Intercarrier Compensation rate to be paid by PaeTec shall be determined as follows: (i) for direct (non-switched) end office trunks delivered to BA at the BA Tandem wire center that is
subtended by the BA end office serving the Customer location receiving the call, PaeTec shall pay the applicable Intercarrier Compensation rate then in effect pursuant to Section 7.3, plus $.0007 per minute of use; and (ii) for Tandem-switched
trunks delivered to BA at the BA Tandem Wire Center that is subtended by the relevant BA end office, PaeTec shall pay the Tandem Office Reciprocal Call Termination Rate as set forth in Exhibit A hereto; provided, however, that in the event PaeTec
has properly forecasted and ordered the required trunking from BA and BA has been unable to provision the ordered trunking, PaeTec shall not be obligated to pay the higher Tandem Office rate until BA is able to provide the requested trunking.

  

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	7.	Delete existing Section 7.0 of the Underlying Terms and insert an amended Section 7.0 as follows: 

  
 7.0 Intercarrier Compensation Arrangements – Section 251(b)(5)

  
 The provisions of this Section 7.0 govern the payment of
Intercarrier Compensation between the Parties. The Parties intend and agree that the Originating Party’s payment of Intercarrier Compensation to the Receiving Party in accordance with the terms of this Agreement shall fulfill the Originating
Party’s obligation under Section 25 l(b)(5) of the Act to pay reciprocal compensation to the Receiving Party for termination of Local Traffic, and shall further fulfill any obligation the Originating Party may have to compensate the Receiving
Party for receiving and handing off Internet Traffic. BA’s delivery of traffic to PaeTec that originates with a third carrier is addressed in Section 10. Where PaeTec delivers traffic to BA that originates with a carrier other than PaeTec,
except as may be set forth herein or subsequently agreed to by the Parties, PaeTec shall pay BA the same amount that such carrier would have paid BA for termination of that traffic at the location the traffic is delivered to BA by PaeTec.
Compensation for the transport and termination of traffic not specifically addressed in this subsection shall be as provided elsewhere in this Agreement, or if not so provided, as required by the Tariffs of the Party transporting and/or terminating
the traffic. 
  
 7.1 Nothing in this Agreement shall be construed
to limit either Party’s ability to designate the areas within which that Party’s Customers may make calls which that Party rates as local” in its Customer Tariffs. 
  
 7.2 Each Party shall pay Intercarrier Compensation to the other Party at equal and symmetrical rates, as provided in Section
7.3 below, on condition that the other Party continues to fulfill its obligations under Section 4.2. These rates are to be applied at the PaeTec-IP for traffic delivered by BA, and at the BA-IP for traffic delivered by PaeTec. No additional charges,
including port or transport charges, shall apply for receiving and terminating Local Traffic or receiving and handing off Compensable Internet Traffic delivered to the BA-IP or the PaeTec-IP, except as set forth in the Price Schedule. When Local
Traffic or Compensable Internet Traffic is exchanged over the same trunks as Toll Traffic, any port or transport or other applicable access charges related to the delivery of Toll Traffic from the IP to an end user shall be prorated to be applied
only to the Toll Traffic. 
  
 7.3 The Originating Party shall
compensate the Receiving Party as follows: 
  
 7.3.1 For Local Traffic and Compensable Internet Traffic delivered by the Originating Party to the Receiving Party during the period from and including February 1, 1999 to and including December 31, 1999, the Originating Party shall
compensate the Receiving Party at a rate equal to the lesser of $.003 per minute of use or the applicable Reciprocal Call Termination rates in effect forty-five (45) days prior to the date on which the Parties agree in writing to pay Intercarrier
Compensation (as set forth in Amendment No. 2). 
  
 7.3.2 For Local Traffic and Compensable Internet Traffic delivered by the Originating Party to the Receiving Party during the period from and including January 1, 2000 to and including March 31,2000, the Originating Party shall compensate
the Receiving Party at a rate equal to the lesser of $.0025 per minute of use or the applicable Reciprocal Call Termination rates in effect forty-five (45) days prior to the date on which the Parties agree in writing to pay Intercarrier Compensation
(as set forth in Amendment No. 2). 
  
 7.3.3 For
Local Traffic and Compensable Internet Traffic delivered by the Originating Party to the Receiving Party during the period from and including April 1,2000 to and including 

  

 4 

 
June 30,2000, the Originating Party shall compensate the Receiving Party at a rate equal to the lesser of $.002 per minute of use or the applicable
Reciprocal Call Termination rates in effect forty-five (45) days prior to the date on which the Parties agree in writing to pay Intercarrier Compensation (as set forth in Amendment No. 2). 
  
 7.3.4 For Local Traffic and Compensable Internet Traffic
delivered by the Originating Party to the Receiving Party during the period from and including July 1, 2000 to and including September 30, 2002, the Originating Party shall compensate the Receiving Party at a rate equal to the lesser of $.0015 per
minute of use or the applicable Reciprocal Call Termination rates in effect forty-five (45) days prior to the date on which the Parties agree in writing to pay Intercarrier Compensation (as set forth in Amendment No. 2); provided, however, that
during any month after January 1, 2001 in which the balance of traffic (including both Local Traffic and Internet Traffic) between the Originating Party and the Receiving Party exceeds a ratio of 10:1, then the rate to be paid by the Originating
Party to the Receiving Party in that month for all traffic in excess of said 10:1 ratio shall be the lesser of $.0012 per minute of use or the applicable Reciprocal Call Termination rates in effect forty-five (45) days prior to the date on which the
Parties agree in writing to pay Intercarrier Compensation (as set forth in Amendment No. 2). 
  
 7.4 Each Party reserves the right to assert in any appropriate forum that Internet Traffic generated in connection with the provisioning of telephony (“Internet Telephony”), such as a connection capable of
real-time two-way telephonic communication between two or more locations other than the ISP location, is subject to a different compensation structure (such as, for example, exchange access) than the compensation structure specified in this Section
7.0. The Parties agree to abide by any legally effective order of the FCC, the Commission or a court of competent jurisdiction regarding the compensation structure applicable to Internet Telephony. 
  
 7.5 The Intercarrier Compensation arrangements set forth in this Agreement
are not applicable to Switched Exchange Access Service, InterLATA or IntraLATA Toll Traffic, or Internet Traffic other than Compensable Internet Traffic. All Switched Exchange Access Service and all Toll Traffic shall continue to be governed by the
terms and conditions of the applicable federal and state Tariffs. In addition, the Intercarrier Compensation arrangements set forth in this Agreement are not applicable to special access, private line or any other traffic that is not switched by the
Receiving Party. 
  
 7.6 If the FCC or the Commission issues an
order that establishes a mechanism and rates for telecommunications carriers to compensate one another for the exchange of Local Traffic and Compensable Internet Traffic in the State of New York (such mechanism and rates, the “Regulatory
Intercarrier Compensation Scheme”) and such order is effective and not subject to judicial or administrative stay, then either Party may elect, in accordance with a written notice from such Party, to adopt the Regulatory Intercarrier
Compensation Scheme, which election shall be memorialized in a writing signed by the Parties; provided, however, that the Regulatory Intercarrier Compensation Scheme shall be effective prospectively only, to have effect from the date of the
written notice identified in this paragraph above; provided, further, that such order either must provide that the Regulatory Intercarrier Compensation Scheme applies to Compensable Internet Traffic or must expressly prescribe discrete rates
that apply to traffic that is substantially out of balance, in which case the Regulatory Intercarrier Compensation Scheme adopted by PaeTec must replicate the entire rate structure that applies to the various levels of traffic imbalance set forth in
such order; provided, further, that if a Party’s adoption of the Regulatory Intercarrier Compensation Scheme would cause the Intercarrier Compensation rate then in effect under Section 7.3 hereof to decrease or increase by less than
fifteen percent (15%), then neither Party may elect to adopt the Regulatory Intercarrier Compensation Scheme; and provided, further, that, after its adoption, the Regulatory Intercarrier 

  

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Compensation Scheme shall apply only to Compensable Internet Traffic. Except as set forth in this paragraph, each Party irrevocably waives, with respect to
the other Party, any and all rights that may have accrued to it prior to October 31, 2002 under Section 252(i) of the Communications Act or any other applicable law or regulation to adopt the terms of any other interconnection agreement, law,
regulation, order or arbitration award relating to (i) Intercarrier Compensation, reciprocal compensation or similar compensation mechanisms; and (ii) physical interconnection architecture. 
  
 7.7 Compensation for receiving and handing off or terminating Traffic which
has been subject to performance of INP by one Party for the other Party pursuant to Section 19 shall be as specified in subsection 19.6. 
  
 7.8 The designation of Traffic as Local or Toll for purposes of compensation shall be based on the actual originating and terminating points of the
complete end-to-end call, regardless of the carrier(s) involved in carrying any segment of the call. 
  
 7.9 Each Party reserves the right to measure and audit all Traffic to ensure that proper rates are being applied appropriately. Each Party agrees to
provide the necessary Traffic data or permit the other Party’s recording equipment to be installed for sampling purposes in conjunction with any such audit. 
  
 7.10 The Parties will engage in settlements of alternate-billed calls (e.g., collect, calling card, and third-party
billed calls) originated or authorized by their respective Customers in Maryland in accordance with the terms of an appropriate IntraLATA Telecommunications Services Settlement Agreement between the Parties substantially in the form appended hereto
as Exhibit D. 
  

	8.	Delete Section 27.1 of the Underlying Terms and insert a new Section 28.1 to read as follows: 

  
 28.1 This Agreement shall be effective as of the date first above
written and shall continue in effect until October 31, 1999 (the “Initial Term”), or until such time as a successor agreement is negotiated in good faith and executed by the Parties, whichever is later. The Parties acknowledge that PaeTec
has requested, effective as of October 19, 1999, that Bell Atlantic commence negotiation of a successor agreement with PaeTec, and that the arbitration window provided for in Section 252(b) of the Act shall be determined as from that date. The
Parties have agreed to promptly enter into good faith negotiations to conclude any terms of such successor agreement that have not already been settled between the Parties as of October 28, 1999. Any notice of termination or request for negotiation
issued by either Party prior to October 19, 1999 is rescinded. 
  

	9.	Change all references to “Reciprocal Compensation” to read “Intercarrier Compensation”. 

  
 IN WITNESS WHEREOF, the Parties hereto have caused this Amendment to be duly
executed as of the date first set forth above. 
  

									
	 BELL ATLANTIC - NEW YORK
	 	 	 	 PAETEC COMMUNICATIONS, INC.

					
	 By:
	 	 /s/ Illegible
	 	 	 	By:	 	 /s/ Illegible

					
	 Title:
	 	 VICE PRESIDENT
	 	 	 	 Title:
	 	 EXECUTIVE VICE PRESIDENT

  

 6EXHIBIT 10.11.4

  
 Exhibit 10.11.4

  
 AMENDMENT NO. 3 
  
 to the 
  
 INTERCONNECTION AGREEMENT 
  
 between 
  
 VERIZON NEW YORK INC. 
  
 and 
  
 PAETEC
COMMUNICATIONS, INC. 
  
 This Amendment No. 3 (this
“Amendment”) is made this 15th day of August 2001 (the “Effective Date”) by and between Verizon New York Inc., a New York corporation (“VERIZON”), and PaeTec Communications, Inc., a Delaware corporation
(“PaeTec”). (VERIZON and PaeTec may be hereinafter referred to, each individually, as a “Party” and, collectively, as the “Parties”). 
  
 WITNESSETH: 
  
 WHEREAS, VERIZON and PaeTec are Parties to an Interconnection Agreement under Sections 251 and 252 of the Telecommunications Act of 1996 dated November
24, 1998 (the “Interconnection Agreement”); and 
  
 WHEREAS, VERIZON and PaeTec wish to exchange certain traffic over Two-Way Interconnection Trunks; 
  
 NOW, THEREFORE, in consideration of the promises and mutual agreements set forth herein, the Parties agree to amend the Interconnection Agreement as
follows: 
  
 1. Amendment to Interconnection Agreement.
Effective as of the date first set forth above, the Interconnection Agreement is amended hereby as follows: 
  
 a) Two-Way Interconnection Trunks. Notwithstanding anything set forth in the Interconnection Agreement, the Parties shall configure separate
One-Way Interconnection Trunks for the delivery of traffic from PaeTec to VERIZON, and for the delivery of traffic from VERIZON to PaeTec, respectively; provided, however, that in lieu thereof, upon receipt of PaeTec’s written request, VERIZON
shall provide Two-Way Interconnection Trunks for the exchange of traffic between the networks of VERIZON and PaeTec pursuant, and subject, to the rates, terms and conditions specified in the NYPSC No. 914, as amended from time to time, and the
additional terms and conditions set forth below: 
  
 (1) Prior to requesting any Two-Way Interconnection Trunks from VERIZON, PaeTec shall meet with VERIZON to conduct a joint planning meeting (“Joint Planning Meeting”). At that Joint Planning Meeting, each Party shall provide to
the other Party originating CCS information, and the Parties shall mutually agree on the appropriate initial number of Two-Way Meet Point A (high usage) and Meet Point B (final)Interconnection Trunks and the interface specifications at the Point of
Interconnection (“POI”). At the Joint Planning Meeting, the Parties shall also mutually agree on the conversion process and project intervals for requests to convert existing Meet Point A and Meet Point B One-Way Interconnection Trunks to
Meet Point A and Meet Point B Two-Way Interconnection Trunks. 
  

 p. 1 

 (2) Two-Way Interconnection Trunks shall be from a VERIZON End Office or Tandem to a
mutually agreed upon POI. 
  
 (3) On a
semi-annual basis, PaeTec shall submit a good faith forecast to VERIZON of the number of Meet Point A and Meet Point B Two-Way Interconnection Trunks that PaeTec anticipates that the Parties will require from VERIZON during the ensuing two (2) year
period. PaeTec’s trunk forecasts shall conform to the VERIZON CLEC trunk forecasting guidelines as in effect at that time. 
  
 (4) The Parties shall meet (telephonically or in person) from time to time, as needed, to review data on Meet Point A and Meet Point B
Two-Way Interconnection Trunks to determine the need for new trunk groups and to plan any necessary changes in the number of Two-Way Interconnection Trunks. 
  
 (5) Two-Way Interconnection Trunks shall have SS7 Common Channel Signaling. The Parties agree to utilize B8ZS and Extended Super Frame
(ESF) DS1 facilities, where available. 
  
 (6)
With respect to Meet Point A Two-Way Interconnection Trunks, both Parties shall use an economic CCS equal to five (5). 
  
 (7) Meet Point B Two-Way Interconnection Trunk groups that connect to a VERIZON access Tandem shall be engineered using a design blocking
objective of Neal- Wilkenson B.005 during the average time consistent busy hour; Meet Point B Two-Way Interconnection Trunk groups that connect to a VERIZON local Tandem shall be engineered using a design blocking objective of Neal Wilkenson B.01
during the average time consistent busy hour. VERIZON and PaeTec shall engineer Two-Way Interconnection Trunks using national standards. 
  
 (8) PaeTec shall determine and order the number of Two-Way Interconnection Trunks that are required to meet the applicable design blocking
objective for all traffic carried on each Two-Way Interconnection Trunk group. PaeTec shall order Two-Way Interconnection Trunks by submitting ASRs to VERIZON setting forth the number of Two-Way Interconnection Trunks to be installed and the
requested installation dates within VERIZON’S 

  

 p. 2 

 
effective standard intervals or negotiated intervals, as appropriate. PaeTec shall complete ASRs in accordance with Ordering and Billing Forum Guidelines as
in effect from time to time. VERIZON may monitor Two-Way Interconnection Groups using service results for the applicable design blocking objective. If VERIZON observes blocking in excess of the applicable design objective on any final Two-Way
Interconnection Trunk group and PaeTec has not notified VERIZON that it has corrected such blocking, VERIZON may submit to PaeTec a Trunk Group Service Request directing PaeTec to remedy the blocking. Upon receipt of a Trunk Group Service Request,
PaeTec will complete an ASR to augment the Two-Way Interconnection Group with excessive blocking and submit the ASR to VERIZON within five (5) business days. 
  

(9) In the event the traffic volume between a VERIZON End Office and the PaeTec POI, which is carried by a Meet Point B Interconnection
Trunk group, exceeds the CCS busy hour equivalent of one (1) DS-1 at any time or 200,000 combined minutes of use for a single month, PaeTec shall promptly submit an ASR to VERIZON to establish a new Meet Point A Two-Way Interconnection Trunks
between that VERIZON End Office and the PaeTec POI. 
  
 (10) [INTENTIONALLY LEFT BLANK] 
  
 (11)
The Parties will review all Meet Point B Two-Way Interconnection Trunk groups that reach a utilization level of seventy (70%) percent of the engineered capacity or greater to determine whether those groups should be augmented. PaeTec will promptly
augment all Meet Point B Two-Way Interconnection Trunk groups that reach a utilization level of eighty percent (80%) of the engineered capacity by submitting ASRs for additional trunks sufficient to attain a utilization level of approximately
seventy percent (70%) of the engineered capacity, unless the Parties agree that additional trunking is not required. For each Meet Point B Two- Way Interconnection Trunk group with a utilization level of less than sixty percent (60%) of the
engineered capacity, PaeTec will promptly submit ASRs to disconnect a sufficient number of Interconnection Trunks to attain a utilization level of approximately sixty percent (60%) of the engineered capacity for each respective group, unless the
Parties agree that the Interconnection Trunks should not be disconnected. In the event PaeTec fails to submit an ASR for Two-Way Interconnection Trunks in conformance with this section, VERIZON may bill PaeTec for the excess Interconnection Trunks
at the applicable rates set forth in Exhibit A. 
  
 (12) The performance standard on Meet Point B Two-Way Interconnection Trunks shall be that no such Interconnection Trunk group will exceed its design blocking objective (B.005 or B.01, as applicable) for three (3) consecutive calendar
traffic study months. 
  
 (13) Because VERIZON
will not be in control of the timing and sizing of the Two-Way Interconnection Trunks between its network and PaeTec’s network, VERIZON’S performance on these Two-Way Interconnection Trunk groups shall be excluded from any performance
measurements and remedies, except for unexcused missed installation appointments. 
  

 p. 3 

 (14) Upon three (3) months prior written notice and with the mutual agreement of the
Parties, either Party may withdraw its traffic from a Two-Way Interconnection Trunk group and install One-Way Interconnection Trunks to the other Party’s POI. 
  
 (15) Both Parties shall use either a DS-1 or DS-3 interface at the POI for Two-Way Interconnection Trunks.
Upon mutual agreement, the Parties may use other types of interfaces, such as STS-1 or OC-n, at the POI, when and where available. When Two-Way Interconnection Trunks are provisioned using a DS-3 interface facility, PaeTec shall order the
multiplexed DS-3 facilities to the VERIZON Central Office that is designated in the NECA 4 Tariff as an Intermediate Hub location, unless otherwise agreed to in writing by VERIZON. The specific NECA 4 Intermediate Hub location to be used for Two-Way
Interconnection Trunks shall be in the appropriate Tandem subtending area based on the LERG. In the event the appropriate DS 3 Intermediate Hub is not used in the ordering process, then PaeTec shall pay 100% of the facility charges 
  
 (16) Notwithstanding any other provision of the
Interconnection Agreement or this Amendment, Two-Way Interconnection Trunks shall only carry Local Traffic, IntraLATA Toll Traffic and Internet Traffic. 
  
 (17) If PaeTec materially breaches a material term of this Section l(a), and has not remedied such breach within thirty (30) days of
written notice thereof, VERIZON may cease provisioning Two-Way Interconnection Trunks under this Amendment. 
  
 (18) Except as set forth in the next sentence or otherwise agreed in writing by the Parties, the total number of Meet Point B Two-Way
Interconnection Trunks between PaeTec’s network and a VERIZON Tandem will be limited to a maximum of 240 trunks. The total number of Meet Point B Two-Way Interconnection Trunks between PaeTec’s’s network and a VERIZON Tandem described
in Attachment A of this Amendment shall be limited to a maximum of 672 trunks, unless otherwise mutually agreed to in writing by the parties. In the event that the volume of traffic between PaeTec’s network and a VERIZON Tandem exceeds, or
reasonably can be anticipated to exceed, the capacity of the maximum permitted number of Meet Point B Two-Way Interconnection Trunks, PaeTec shall promptly submit an ASR to VERIZON to establish new or additional Meet Point A Trunks to insure that
the volume of traffic between PaeTec’s network and the VERIZON Tandem does not exceed the capacity of the maximum permitted number of Meet Point B Two-Way Interconnection Trunks. 
  
 (19) PaeTec will route its traffic to VERIZON over the Meet Point A and Meet Point B Two-Way Interconnection
Trunks in accordance with SR-TAP192, including but not limited to those industry standards requiring that a call from PaeTec to a VERIZON End Office will first be routed to the Meet Point A Interconnection Trunk group between PaeTec and the VERIZON
End Office. 
  
 (20) When the Parties implement
Two-Way Interconnection Trunks, the Parties will work cooperatively to calculate a Proportionate Percentage of Use or “PPU” factor, where the numerator is the total number of minutes of traffic carried from PaeTec to VERIZON on all Two-Way
Interconnection Trunks and the denominator is the total number of minutes of 

  

 p. 4 

 
traffic carried over such Two-Way Interconnection Trunks. PaeTec will pay a percentage of Verizon’s monthly recurring charges for the facility on which
the Two-Way Interconnection Trunks ride equal to PaeTec’s percentage of use of the facility as shown by the PPU. The PPU shall not be applied to calculate the charges for any portion of the facility that is on PaeTec’s side of the
PaeTec’s-IP, which charges shall be solely the financial responsibility of the PaeTec. Non-recurring charges for the facility on which the Two-Way Interconnection Trunks ride shall be apportioned as follows: (a) for the portion of the Trunks on
Verizon’s side of the PaeTec-IP, the non-recurring charges shall be divided equally between the Parties; and, (b) for the portion of the Trunks on PaeTec’s side of the PaeTec-IP, PaeTec shall be solely responsible for the nonrecurring
charges. Notwithstanding the foregoing provisions of this Section 20, if PaeTec fails to provide geographic IPs in accordance with the Interconnection Agreement, PaeTec will be responsible for one hundred percent (100%) of all recurring and
non-recurring charges associated with Two-Way Interconnection Trunk groups until PaeTec establishes such IPs. During the first calendar quarter (and any partial quarter) after Two-Way Interconnection Trunks are initially established, PPU will be
fifty percent (50%). In each quarter thereafter, the Parties may recalculate the PPU using actual traffic usage for the preceding three month period. When One-Way Interconnection Trunks are converted to Two-Way Interconnection Trunks, PaeTec will
pay fifty percent (50%) of the non-recurring charges. 
  
 2.
Conflict between this Amendment and the Interconnection Agreement. This Amendment shall be deemed to revise the terms and provisions of the Interconnection Agreement to the extent necessary to give effect to the terms and provisions of this
Amendment. In the event of a conflict between the terms and provisions of this Amendment and the terms and provisions of the Interconnection Agreement, this Amendment shall govern, provided, however, that the fact that a term or provision
appears in this Amendment but not in the Interconnection Agreement, or in the Interconnection Agreement but not in this Amendment, shall not be interpreted as, or deemed grounds for finding, a conflict for purposes of this Section 2.

  
 3. Counterparts. This Amendment may be executed in one
or more counterparts, each of which when so executed and delivered shall be an original and all of which together shall constitute one and the same instrument. 
  

4. Captions. The Parties acknowledge that the captions in this Amendment have been inserted solely for convenience of reference and in no way
define or limit the scope or substance of any term or provision of this Amendment. 
  
 5. Scope of Amendment. This Amendment shall amend, modify and revise the Interconnection Agreement only to the extent set forth expressly in Section 1 of this Amendment, and, except to the extent set
forth in Section 1 of this Amendment, the terms and provisions of the Interconnection Agreement shall remain in full force and effect after the date first set forth above. 
  

 p. 5 

  
 IN WITNESS WHEREOF, the
Parties hereto have caused this Amendment to be duly executed and delivered by their duly authorized representatives as of the date first set forth above. 
  

									
	 PAETEC COMMUNICATIONS, INC.
	 	 	 	 VERIZON NEW YORK INC.

					
	 By:
	 	 /s/ Richard E. Ottalagana
	 	 	 	 By:
	 	 /s/ Jeffrey A. Masoner

	 Printed:
	 	 Richard E. Ottalagana
	 	 	 	 Printed:
	 	 Jeffrey A. Masoner

	 Title:
	 	 Executive Vice President
	 	 	 	 Title:
	 	 Vice President - Interconnection Services, Policy and Planning

  

 p. 6 

  
 ATTACHMENT A

  
 VERIZON Tandems for which the total number of Meet Point B Two-Way
Interconnection Trunks between PaeTec’s network and the VERIZON Tandem shall be limited to a maximum of 672 trunks: 
  
 Verizon Tandems listed in the Telcordia Local Exchange Routing Guide that are located in the Bell Atlantic Service Area in LATA 132, 133, 134, 136, 138 and 140. As used
in this Attachment A, “Bell Atlantic Service Area” shall have the meaning stated in Appendix D, “Market-Opening Conditions,” of In re Application of GTE Corporation, Transferor, and Bell Atlantic Corporation, Transferee, For
Consent to Transfer Control of Domestic and International Sections 214 and 310 Authorizations and Application to Transfer Control of a Submarine Cable Landing License, FCC 00-221, CC Docket No. 98-184,15 FCC Red 14032 (6/16/00) (Merger
Order). 
  
 (Note: Notwithstanding any other provision of this Amendment, if
this Amendment is adopted, in whole or in part, by PaeTec or another telecommunications carrier pursuant to Paragraph 31 or Paragraph 32 of Appendix D of the Merger Order or other provision of applicable law or government regulation or order,
for use in any portion of the GTE Service Area, the total number of Meet Point B Two-Way Interconnection Trunks between PaeTec’s network and a VERIZON Tandem located in the GTE Service Area shall be limited to a maximum of 240 trunks. As used
in this Attachment A, “GTE Service Area” shall have the meaning stated in Appendix D of the Merger Order.) 
  

 p. 7

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