Detailed Product Description
Support Protocol
SIP (RFC3261, RFC3265)
Support IAX2.
Voice codec: 711a/u, 729a/b
G. 168 echo cancellation standard, compliant 96ms with speaker mode
Support the adjustment of volumn: Including the input/output of handset and the speaker.
Jitter Buffer, VAD, CNG, SIP/IAX2, Domain name register, point-to-point Call
Support the switch automatically of SRV main backup server
RTP and RTCP;
Support the Inbound/Outbound transmission; SIP info, DTMF Relay, RFC2833
Standard ring for many countries
NAT transversal: Support STUN, CITRON, AVS Mode
Support SIP domain, SIP Authentication(none, basic, MD5), Domain Name parse
Support two SIP server synchronously, including Pubic Server/ Private server, can make a call by either proxy
Support redundancy public server, can auto switch to backup server when there is trouble with the host server.
Support SIP application, including SIP Call forward/transfer/holding/waiting.
Support the presence state of server and the presence mechanism of Peer-to-peer