Idefisk 2.0 Free SIP and IAX/IAX2 phone is a user-friendly softphone that offers high-quality VoIP calling experience. It is compatible with Asterisk or any other SIP or IAX capable system. This version includes features such as SIP + IAX/IAX 2 protocols, STUN support, STUN server per account, Echo cancellation, DTMF tones sending, support for multiple audio devices, automatic user registration, call transfer, hold function, and codecs such as GSM, ulaw, alaw, speex, and ilbc.
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