wireless voip phone

wireless voip phone Dect Features * Digital Stand * Caller Memories and phone book * Handfree * 120 hour standby time * PSTN call is default VoIP Features * Support SIP 2.0(RFC3261,RFC3262) * Codec：G.711A/u，G.7231 high/low，G.729 * Echo cancellation：Support G.168 * Support Voice Gain Setting, Jitter Buffer，VAD，CNGcall forward，and Peer to Peer * NAT transverse：support STUN client SIP support SIP domain, SIP authentication (none，basic， MD5)，DNS name of server, Peer to Peer * SIP support two server. Can connect to two sip server at the same time * 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. * Support conference and voice record Network Features * WAN/LAN: Support Bridge and Router model * Support basic NAT and NAPT * Support PPPoE for xDSL * Support DHCP Client on WAN * Support DHCP Server on LAN * Support DNS Relay, SNTP Client, Firewall * Network tools in telnet server: Including ping, race route, telnet client Maintenance and Management * Support Boot Monitor * Can upgrade firmware through boot monitor * Can config through Web, Telnet * Can upgrade firmware and configuration file through HTTP, FTP, TFTP * Support Syslog Currency: Unit Price: Quantity: Delivery: