Optical Telecommunications, Inc.

Version: 2Q05 Standard ICA
07/06/05
Attachment 3
Page 12
tandem. SWA, Type 2A CMRS or toll traffic routed to the local tandem in error
will not be backhauled to the BellSouth Access Tandem for completion. (Type 2A
CMRS interconnection is defined in Section A35 of BellSouth’s GSST).
4.10.3.4 BellSouth’s provisioning of Local Tandem Interconnection assumes that OTI has
executed the necessary local interconnection agreements with the other third party
network providers subtending those local tandems as required by the Act.
4.10.4 Direct End Office-to-End Office Interconnection
4.10.4.1 Direct End Office-to-End Office one-way or two-way interconnection trunk
groups allow for the delivery of a Party’s originating Local Traffic, ISP-Bound
Traffic and IntraLATA Toll Traffic to the terminating Party on a direct end
office-to-end office basis.
4.10.4.2 The Parties shall utilize direct end office-to-end office trunk groups under any one
(1) of the following conditions:
4.10.4.2.1 Tandem Exhaust. If a tandem through which the Parties are interconnected is
unable to, or is forecasted to be unable to support additional traffic loads for any
period of time, the Parties will mutually agree on an end office trunking plan that
will alleviate the tandem capacity shortage and ensure completion of traffic
between OTI and BellSouth.
4.10.4.2.2 Traffic Volume. To the extent either Party has the capability to measure the
amount of traffic between OTI’s switch and a BellSouth End Office and where
such traffic exceeds or is forecasted to exceed a single DS1 of traffic per month,
then the Parties shall install and retain direct end office trunking sufficient to
handle such traffic volumes. Either Party will install additional capacity between
such points when overflow traffic exceeds or is forecasted to exceed a single DS1
of traffic per month. In the case of one-way trunking, additional trunking shall
only be required by the Party whose trunking has achieved the preceding usage
threshold.
4.10.4.2.3 Mutual Agreement. The Parties may install direct end office trunking upon mutual
agreement in the absence of conditions (1) or (2) above.
4.10.5 Transit Traffic Trunk Group
4.10.5.1 Transit Traffic trunks can either be two-way trunks or two (2) one-way trunks
ordered by OTI to deliver and receive Transit Traffic. Establishing Transit Traffic
trunks at BellSouth Access and Local Tandems provides Intratandem Access to
the third parties also interconnected at those tandems. OTI shall be responsible for
all recurring and nonrecurring charges associated with Transit Traffic trunks and
facilities.
CCCS 113 of 261