Field Description
Comfort Noise Genera-
tion (CNG)
Specify whether Comfort Noise Generation should be used.
For digital voice transmission, this function introduces a low
level of background noise to avoid the impression that, during
pauses at the other end, the connection is lost.
The function is enabled with ,.
The function is enabled by default.
Packet Size Specify how many milliseconds of voice an RTP data packet
should contain.
Possible values are to .
The default value is .
20.2.2 SIP Accounts
If your want your device to connect to other SIP servers (e.g. servers of Internet SIP Ser-
vice providers), you can configure the necessary entries here. In this case, the media gate-
way acts as a SIP client.
Furthermore, you can configure the entries for SIP trunking scenarios here. In this case,
the media gateway acts as a SIP server for other SIP servers. An example for this is the
connection of a SIP PBX (e.g. Asterisk) to the media gateway.
This means that not only all SIP provider accounts are configured here but also direct dial-
in PBXs connected with the media gateway.
Note
In no case should you use this menu to configure SIP extensions, i.e. for SIP clients or
PSTN clients such as SIP telephones, terminal adapters or ISDN telephones
SIP extensions can be configured in the VoIP->Extensionsmenu.
The VoIP->Media Gateway->SIP Accounts menu displays a list of all existing SIP ac-
counts (SIP Client Mode and SIP Server Mode).
20 VoIP Teldat GmbH
408 bintec Rxxx2/RTxxx2
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