22Call SIP - a stable sip client
By CallsUP Team
Support audio
Support G.729, Opus, PCMA, PCMU,AMR,AMR-WB,G.722.1,G.722,SPEEX,SPEEX-
WB,iLBC,GSM,ISAC,ISAC-WB codecs.
Support 20-get together audio convention.
Support add/modify the SIP message headers.
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