Yeastar YST-TG100 VoIP GSM Gateway 1-Port Mobile Connectivity SIP IAX2 SMS Suppo

Protocol: SIP (RFC3261), IAX2. The TG100 uses 2G GSM Frequency and may NO LONGER be active. DTMF Mode: RFC2833, SIP INFO, In-band. Channels: 1 GSM Channel 2G. Voice Codecs: G.711 (alaw/ulaw), G.722, G.726, G.729A, GSM.

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