This phone functions not only much like a traditional phone, allowing to place and receive calls, and enjoy other features that traditional phone has, but also it own many data services features which you could not expect from a traditional telephone.

SIP IP phone (SIP servers and IAX2)

Key features:

1)SIP support 2 SIP lines. Can connect to SIP1 and SIP2 server at the same time

2)SIP application: support Call forward/ transfer/ holding/ waiting / 3 way talking

3)Call control features: Flexible dial map, Hotline, Empty calling reject, Black list for reject authenticated call, limit call, No disturb, Caller ID, Support Phonebook 500 records

4)Incoming calls / Outgoing calls / Missing calls. Each support 100 records

5)Support conference and voice record on SIP server

6)Support 10 kind of ring type and 1 user ring

7)Support IAX2

8)Support MWI,SMS,Speed Dial, Memo, Multilanguage realizes localization

9)Support SIP 2.0 (RFC3261) and correlative RFCs

10)Codec:G.711 A/U Law, G.723.1, G.729a/b, G.722,G.722.1, G.726

11)Echo cancellation: Support G.168, and Hands-free can support 96ms, Hand free Speaker Phone

12)Support Voice Gain Setting, VAD, CNG

13)Full duplex hands-free speakerphone

14)NAT transverse:support STUN client

15)DTMF:Support SIP info, DTMF Relay, RFC2833

16)Support DMZ,VPN (L2TP)

17)Echo cancellation, noise reduction, full duplex communication.

18)PC-to-PC, PC-to-phone, Phone to Phone operation.