Lucent Technologies 555-233-119 Figure Notes, Troubleshooting MMCH

DEFINITY ECS Release 8.2 Maintenance for R8.2csi 555-233-119 Issue 1
April 2000
Maintenance for csi systems
1-91Multimedia Call Handling
1
Figure Notes
Figure 1-27. Typical ESM connections
!CAUTION:
The TN2207 circuit pack is the only p ack allowing connec tion of an ESM to
the DEFINITY ECS switch.
Troubleshooting MMCH
■‘‘64 Kbps Calls Terminate but Far End Receives 56 Kbps Indicatio n’’
■‘‘Calls Terminate with No Audio’’
■‘‘Some Parties Cannot Be Heard by Others (Audio Subsetting)’’
■‘‘Calls Terminate with No Video’’
■‘‘Calls Terminate Correctly but Are Unstable’’
■‘‘Synchronization’’
■‘‘Voice-Activated Switching Problems’’
■‘‘No Switching, Full Motion Video’’
■‘‘Video Never Switches to a Particular Party’’
■‘‘Audio Echo’’
■‘‘Endpoint or I-MUX in Loopback Mode’’
1. Port B Y-cable connector to a TN787
Multimedia Interface (MMI) circuit pack
2. Port A Y-cable connector to a TN2207 PRI
circuit pack
3. 25-pair Y-cable
4. 356A adapter
5. D8W cord connected to 356A
adapter port 1
6. Expansion Service Mod ule (ESM)
7. Port B on comp at ible primary rate
interface (PRI) card
cydf012RPY 100697
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4
5
3
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