Description
- TA400/800/1600/2400/3200:
- 4/8/16/24/32 RJ11 FXS ports
- TA4 10/TA810/TA1610: 4/8/16 FXO ports
- Protocol: SIP (RFC 3261), IAX2
- Transport: UDP, TCP, TLS,SRTP
- Voice Codec : G.711 (alaw/ulaw), G.722,G.726, G.729A, GSM, ADPCM, Speex
- Quality Enhancement ITU-T G.168 LEC, dynamic Jitter Buffer, VAD, CNG, PLC
- DTMF Mode:RFC2833, SIP INFO, In-band