Setting Voip Codecs - Altigen AltiContact Manager Version 5.0A Administration Manual

Setting VoIP Codecs

The default codec for static IP extensions is G.711 with 64 kbps for voice
packets. This is appropriate for lease lines or high-speed connections. The
default codec for dynamic IP extensions is G.723 with 6.3 kbps. This is
appropriate for internet connections. For voice, G.723 AB uses 8 kpbs.
G.711/G.723/G729 bandwidth requirements for Ethernet:
— G711 10ms packet frame ≅ 110 kbps
— G711 20ms packet frame ≅ 87 kbps
— G711 30ms packet frame ≅ 80 kbps
— G723 30ms packet frame 6.4k rate ≅ 22 kbps
— G729 20ms packet frame ≅ 31 kbps
— G729 30ms packet frame ≅ 24 kbps
Note:
Bandwidth for WAN varies depending on the type of WAN
connection. Bandwidth requirements for WAN should be less than
Ethernet requirements.
You can change these default settings for AltiContact Manager-to-
AltiContact Manager connections using the VoIP Codec Configuration tab.
To display the VoIP Codec Configuration tab:
• From the System Management menu, Select VoIP Configuration...
and click the VoIP Codec Configuration tab. Or,
• Use the drop-down list next to the System icon, select VoIP
Configuration... and click the VoIP Codec Configuration tab.
AltiContact Manager Administration Manual
VoIP Configuration
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