Detailed Product Description

SIP Phone

Voice Features

 Support IAX2 and SIP RFC3261 synchronously

 Codec: G.711A/u, G.7231 high/low, G.729

 Echo cancellation: Support G.168, and Hands-free can support 96ms

 Support Voice Gain Setting, Jitter Buffer, VAD, CNG, dual GK, call forward, and Peer to Peer

 NAT transverse: support 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 the 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 call and voice record.

English, Spanish, Czechoslovak alternative.