DEFINITY Enterprise Communications Server Release 7
Maintenance for R7r
555-230-126
Issue 4
June 1999
Alarms, Errors, and Troubleshooting
5-59Multimedia Call Handling (MMCH)
5
Swapped Routes, End System Identifiers, or Fiber
between A and B side TN230Xs on an EPN
Symptoms
■ The PPN establishes links to what it thinks is the active TN230X on the
EPN.
■ As normal, it reboots this TN230X, and when complete, it resets the EPN.
When this happens, the active (instead of the standby) TN230X reboots,
dropping the links.
■ To recover, the PPN re-establishes links to what it thinks is the active
TN230X and the cycle repeats indefinitely.
Diagnostics
1. The
status pnc
command on the DEFINITY SAT shows both the A-side
and B-side
State of Health
field as
partially functional
.
Action
1. Correct the ATM addresses (or swap fibers) on the A500 between the A
and B side of the EPN.
Multimedia Call Handling (MMCH)
Expansion Services Module
The Expansion Services Module (ESM) provides T.120 data sharing capability on
a MMCH multipoint H.320 video conference. Each conference participant must
have endpoints administered and a personal computer with the H.320 video
application installed. The DEFINITY ECS must have the expansion service
module installed.
Figure 5-37. Typical ESM connections
cydf012 RPY 100697
1
2
4
5
3
6
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