2 lines VOIP telephone support 3 party conferences

Specifications

1)Voip telephone
2)2 lines change freely.
3)3 party conferences

              Ip phone ip telephone for business/Hotel/Home

The Q710 is an advanced, fully featured two-lines IP Telephone that takes full advantage of VoIP technology by offering a flexible, interoperable solution at an affordable price it leverages the SIP standard to provide advanced calling, conferencing, and messaging features, and protects investments with an upgradeable flash-based architecture

Fuctures:

1.Three-line display screen with backlight and adjustable contrast

2.Two lines supported with corresponding LED indicators 
3.Conference calling (with or without server)
4.  High quality Full-duplex speaker phone for hands free calls 
5. Call hold, call waiting, and call forwarding
6.Caller ID and Call-waiting caller ID
7. Do not disturb
8. Auto answer
9. Configurable dial plan
10.500 entry phone book

Technical  Specifications:

Protocols Supported:
SIP (RFC3261, RF3262)
SDP (RFC2327)
(SIP) Subscribe / Notify (RFC3265)
(SIP) Offer / Answer Model (RFC3264)
(SIP) Refer Method (RFC3515)
DTMF transport (RFC2833)
SIP INFO and in-band DTMF transport
RTP / RTCP (RFC3550, 3551)
(SIP) DNS SRV (RFC2781)
IAX2
Peer to Peer calling

Networking:

WAN / LAN: Support Bridge and Router mode
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

Product details: