Nortel 1000E Maintenance Manual page 83

Table 17
Conference channels causes and actions (Part 1 of 3)
Condition
Several users cannot
place conference calls
when links and phones
are operational.
capability can be disabled. Look up all system messages in the Software
Input/Output: System Messages (553-3001-411) and follow the instructions.
Also, ensure that sufficient DSP resources have been provisioned for Music,
conference, and RAN (see Communication Server 1000E: Planning and
Engineering (553-3041-120) for details).
If the fault does not clear, users may need to replace some of the following
equipment:
• NTDK20 SSC card
• NTDK99 IP Daughterboard
• NTDK83 IP Daughterboard
Note: In addition to the conference channels on the SSC, the NTDK83
and the NTDK99 IP Daughterboards each provide an additional 16
conference channels per port when installed on the MG 1000E SSC.
Table 17 provides additional instructions for isolating conference channel
faults in an MG 1000E.
Note: Call processing on the affected MG 1000E is interrupted when the
NTDK20 SSC circuit card is unseated.
Possible cause
Defective IP links
Clearing faults
Action
View the status of the IP Links by
entering:
LD 135
STAT IPL x (where x is the number for
the MG 1000E 1 through 128)
If the fault remains, check the IP
daughterboard conference loops.
If the fault remains, check the NTDK20
SSC conference loops.
Communication Server 1000E
Page 83 of 162
Maintenance