Sell voip lan phone---suport SIP

voip lan phone---suport SIP You May Also Be Interested In: conferencing phone
 Call command protocols :SIP2.0(RFC3261) , MGCP, H.323
 Transmit protocols: RTP/RTCP, SRTP
 Voice Codes: G.711A, G.711u, G.723.1 (5.3 / 6.3) and G.729A/B
 Voice Communicate Quality:
VAD (voice activity detection) , CNG(comfort noise generation) and EC(echo cancellation) supported
Jitter Buffer supported
In/Out Broadband DTMF transmit
 Network protocols: HTTP, DHCP, FTP, TFTP, IEEE802.1Q, SNMP, DNS, NTP, NAT supported
 Access Mode: DHCP, PPPOE or Static IP supported
 Manage/Software Update: Easy to setup and configured by Keypad, CLI or HTTP pages
 Other Features:
 NAT traversal : Static, STUN, TURN
 Call records: (Received, Missed and Dialed Calls)
 Call transfer, Call waiting, Three Parties calls, Call Conferencing
 Phone book, Speed Dial
 5 types ringing
 Speak Volume adjust