¡¤ Support H323v4 and SIP RFC3261 synchronously
¡¤ Codec£ºG.711A/u, G.7231 high/low,G.729
¡¤ Echo cancellation: Support G.168, and Hand free can support 96ms
¡¤ Support Voice Gain Setting, Jitter Buffer, VAD, CNG
¡¤ H323 support dual GK, call forward, and Peer to Peer.
¡¤ NAT transverse£ºsupport STUN client, Citron, AVS
¡¤ SIP support SIP domain, SIP authentication (none, basic, MD5), DNS name of server, Peer to Peer
¡¤ SIP support pubic/Private server. Can connect to ISP and Private SIP server at same time
¡¤ SIP support dual public server
¡¤ DTMF : Support SIP info, DTMF Relay, RFC2833
¡¤ SIP application: support Call forward/transfer/holding/waiting
¡¤ Call control features: Flexible dial map, support Hotline, Empty calling No. reject service, Black list for reject authenticated call, No disturb, Caller ID.
¡¤ Support conference and voice record.