Avaya 03-300430 User Manual

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Communication Manager Maintenance-Object Repair Procedures
1656 Maintenance Procedures for Avaya Communication Manager 3.0, Media Gateways and Servers
 
Figure 90: TN787 Multimedia Interface (MMI) Circuit Pack
TN2207/Expansion Services Module
The TN2207 circuit pack permits connecting an ESM (Expansion Services Module). See 
on page 1657 for connectivity.
The TN2207 circuit pack 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 S8700 Media Server configuration must have an expansion service module installed.