Specification: | tandard SIP 2.0 ( RFC3261) , SIP Outbound proxy, STUN ( RFC 3489)
Voice codec G.723.1 ( 6.3k/ 5.3k) , G.729A, G.729B, G.711
Fax support T.38
Voice Standard Voice activity detection ( VAD)
Comfort noise generation ( CNG)
Acoustic echo canceller ( AEC)
G.165: Line echo canceller ( LEC)
Jitter Buffer
Protocols SIP 2.0 ( RFC-3261) , TCP/ IP, UDP/ RTP/ RTCP, HTTP, ICMP, ARP, DNS, DHCP, NTP/ SNTP, PPP, PPPoE |