Avaya 03-300430 User Manual

The DID-DS1 trunk provides a digital Direct Inward Dial (DID) trunk from a CO switch to the 
system through a DS1 link. A 24-channel DS1 link can support up to 24 DID-DS1 trunk calls 
simultaneously. A 32-channel link can support up to 30.
A DID-DS1 trunk can be used for digitized voice and data communications with DS1 signaling 
mode (for example, common-channel signaling). The TN767 and TN464 series circuit packs, 
and the MM710 Media Module, support wink-start and immediate-start trunks and Avaya™ 
Communication Manager signaling. Throughout this section, the term DS1 applies to all. For 
more information, see one of the following maintenance objects:

 / 

 

Although the DID-DS1 MO is provided for a G700 Media Gateway, the DID-DS1 

only partially supports the MM710 DS1 Media Module.
Information included in this section covers the in-line errors log, initialization tests, periodic 
tests, scheduled tests, system technician demand tests, and alarms escalation and elimination. 
Two trunk service states are specified in the DID-DS1 trunk maintenance:

If a DS1 is out-of-service, then every trunk on the circuit pack or media module is put into the 
out-of-service state, and a Warning alarm is raised.

DID-DS1

MAJ

1

1. A Major alarm on a trunk indicates that alarms on these trunks are not downgraded by set 

options and that at least 75 percent of the trunks in this trunk group are alarmed.

test trunk grp#/mem# long Direct Inward Dial Trunk

DID-DS1

MIN

test trunk grp#/mem# long Direct Inward Dial Trunk

DID-DS1

WRN

test trunk grp#/mem# 

Direct Inward Dial Trunk

TN767 DS1 Interface Circuit Pack

DS1-BD

TN464 UDS1 Interface Circuit Pack

UDS1-BD

 / 

 MM710 DS1 Media Module

MG-DS1

out-of-service

The trunk is in a deactivated state and cannot be used for 

incoming calls.

in-service

The trunk is in an activated state and can be used for 

incoming calls.