Digital PRI ISDN Trunk Port. A Digital Trunk PRI ISDN Port is a four wire DS1 with connection at the DSX-1 bay (or equivalent). Digital Trunk DS1 activation is a logical subset or channel of a DS1 facility Port. 9.11.1.10.1.1 PRI ISDN Trunk Ports are provisioned at a DS1 level. B-channels are provisioned to transmit information such as voice, circuit switched data, or video. A D-channel is provisioned to carry the control or signaling on a 64kbit(s) channel. 9.11.1.10.1.2 PRI Trunk Port requires a digital four-wire full duplex transmission path between ISDN capable Customer Premises Equipment (CPE) and a PRI ISDN- equipped Qwest Central Office. 9.11.1.10.1.3 The PRI Central Office trunk port is a DS1 which provides 24 64kbps channels. This product is dedicated call type of PRI with Custom protocol, up to 23 of the channels may be used as 64kbps B channels. The 24th channel must be configured as a D channel, which will carry the signaling and control information. The B channels transmit voice and data or Circuit Switched Data (only). 9.11.1.10.1.4 PRI ISDN includes 2-way DID functionality. DID is a special trunking arrangement that permits incoming calls from the exchange network to reach a specific PBX station directly without attendant assistance. 9.11.1.10.1.5 DID service is offered with an analog or digital 2- way. If digital, the individual DS0’s are 2-way trunks using advanced service that requires DID ports. 9.11.1.10.1.6 The 23B+D Trunk Port configuration provides Ports for 23B-channels and 1 D-channel. 9.11.1.10.1.7 The 24-B Trunk Port configuration provides 24 B- channels on a DS1 Port. The signaling information is provided by the D- channel on the first D-channel Port. 9.11.1.10.1.8 The 23B Backup D Trunk Port configuration provides 23 B-channels and a backup D-channel Port is used if the primary D-channel Port fails.
Appears in 2 contracts
Sources: Interconnection Agreement, Interconnection Agreement