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Configure IAX client

IAX is the Inter-Asterisk eXchange protocol used by Asterisk, an open source PBX server from Digium. It is used to enable VoIP connections between Asterisk servers, and between servers and clients that also use the IAX protocol.

If you want understand more, start to read here

In few words, IAX2 is better than SIP because:

  1. IAX2 uses just one UDP port, 4569 (this solve most of the NAT problems)
  2. IAX2 supports PKI-style authentication and trunking.
  3. IAX2 uses only 2.4k for a single call

I recommend:

  • IDEFisk: A Windows and Linux softphone from asteriskguru.com

 

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Download and lunch it.

Configure it following this screenshot

1. Just lunched

2. Open the Option Menu by Right Clicking on Idefisk

3. Select "Account Options" and fill the camp.

 

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Username 2003 Password 5555

And remember to MUTE yourself when you are not speaking.
(Click on Microphone symbol that will become red, click again to Unmute)

You can find a complete function list here (pdf file)