3Com VCX v7111 User Manual page 83

To configure the gateways coders:
Open the Coders screen (Protocol Management menu > Protocol Definition submenu >
1
Coders option); the Coders screen is displayed.
Coders Screen
Figure 27
From the Coder Name drop-down list, select the coder you want to use. For the full list of
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available coders and their corresponding attributes, see
From the Packetization Time drop-down list, select the packetization time (in msec) for
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the coder you selected. The packetization time determines how many coder payloads
are combined into a single RTP packet.
From the Rate drop-down list, select the bit rate (in kbps) for the coder you selected.
4
In the Payload Type field, if the payload type for the coder is dynamic, enter a value from
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0 to 120 (payload types of well-known coders cannot be modified).
The payload type identifies the format of the RTP payload.
From the Silence Suppression drop-down list, enable or disable the silence suppression
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option for the coder you selected.
Repeat Steps 2 through 6 for the second to fifth coders (optional).
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Click Submit to save your changes.
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To save the changes so they are available after a power fail, see
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®
3Com VCX V7111 VoIP Gateway User Guide
Table 20.
Saving Configuration.
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