Specifications

MyPBX SOHO Administrator Guide
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·Session-expires
The max refresh interval.
·Session-minSE
The min refresh interval, which mustn't be less than 90s.
·Session-refresher
Choose session-refresher, the default is Uas.
6.7.2 IAX Settings
Figure 6-65
1) General
·Bind Port
Port used for IAX2 registrations. Default is 4569.
·Bandwidth
Low/medium/high with this option you can control which codec to be used.
·Min Registration Time
Minimum duration (in seconds) of an IAX2 registration. The default is 60 seconds.
·Max Registration Time
Maximum duration (in seconds) of an IAX2 registration. The default is 1200 seconds.
2) Codecs
A codec is a compression or decompression algorithm used in the transmission of voice
packets over a network or the Internet.
u-law: A PSTN standard codec, used in North America, which provides very good voice
quality and consumes 64kbit/s in each direction (receiving and transmitting) of a VoIP call.