SIP standard used

[Anonymous]

Hi, I need more information about SIP standard used on your software. Could you help me ?

Sip version ? 1.5 ? 2.0 ? RFC 3261 ?
Rtp version ?
Stun version ?
Codec ? I see an old message about this : 'A current version supports only G.711 codecs (both a-Law and mu-Law) ' It's true ?
Dtmf ?

Best regards.

 

[N_G]

Standards supported

Hi,

Below are the standards we use

SIP : v2.0
RTP : v2.0
STUN : RFC 3489
Codec : G.711 (both)
DTMF : None in beta2 (no IVR to make use of it) Beta 3 will have it

Note that we are planning to support the GSM codec, which is royalty free and supported by several providers including NIkotel and Sipgate