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Table 36 on page 71 lists the maximum number of media servers, telephones, and
so on that are supported by the TGM550 installed on a J4350 or J6350 or J2320 or
J2350 Services Router.
Table 36: TGM550 Maximum Media Gateway Capacities
Additional InformationTGM550 Maximum CapacityHardware or Feature
This number also applies if a
combination of Avaya G700 Media
Gateways, G250 Media Gateways, and
G350 Media Gateways are controlled by
the same media server.
250TGM550s that can be controlled by an
Avaya S8500 or S8700 Media Server
This number also applies if a
combination of Avaya G700 Media
Gateways, G250 Media Gateways, and
G350 Media Gateways are controlled by
the same media server.
5TGM550s that can be controlled by an
Avaya S8400 Media Server
This capacity is 50 if a combination of
Avaya G700 Media Gateways, G250
Media Gateways, and G350 Media
Gateways are controlled by the same
media server.
The S8300 must reside in a G700 or
G350 media gateway. Therefore, the
maximum of 50 H.248 gateways
supported by the S8300 means that only
49 of the 50 can be TGM550s.
49TGM550s that can be controlled by an
Avaya S8300 Media Server
If an MGC becomes unavailable, the
TGM550 uses the next MGC on the list.
The built-in SLS module can be
considered as a fifth MGC, although its
functionality is limited than that of a
full-scale media server.
4Media servers that can be registered as
Media Gateway Controllers (MGCs) on a
TGM550
—2Fixed analog line ports
—2Fixed analog trunk ports
For calls using voice codec sets with
20-millisecond-or-higher packet sizes,
the DSP supports:
■
80 channels
■
20 channels
■
10 channels
For calls with 10-millisecond-or-lower
packet sizes, the 80–channel DSP
supports 40 channels.
For TTY, fax, or modem over IP calls,
the 80–channel DSP supports
40 channels.
1 (up to 80 channels)Digital signal processors (DSPs)
Avaya VoIP Modules ■ 71
Chapter 3: PIM and VoIP Module Overview