ip phone support H.323 V4

Software Characteristics

1) Support DNS register;

2) Support H.323 V4, MGCP and SIP protocol;

3) Support DHCP automatic allocation of IP address and other parameters;

4) Support a variety of NAT passing and firewall passing;

5) Meet ITU-T standard as well as generation and test of DTMF;

6) Support G.711A/U, G.723.1 5.3/6.3 and G.729/A/B/AB/GSM610 algorithm of voice coding
and decoding;

7) Support Voice Activity Detection (VAD), Comfort Noise Generation (CHK), Acoustic
Echo; Cancellation (AEC) and dynamic voice technology. Its sound can match withtraditional telephone.

8) Support PPPoE protocol (When used on ADSL and Cable Modem connection).

9) Support many net structures, such as LAN, city Wide Band, special line net, XDSL
of Telecom, MODEM, Wide Band and CABLE MODEM Wide Band net of Broadcasting &TV.

10) Full intelligent manual prompt;

11) Voice prompt of keyboard operation;

12) Intellectual fast dialing;

13) Full duplex Hand-free telephone;

14) Support real-time volume adjusting;

15) Volume of headphones and speakers can be adjusted independently.

16) Calling transfer, calling holding and voice answering;

17) Internal time-server can indicate standard time of all main time zones;

18) IPP-802 and IPP-802+double-interface telephone can provide two RJ45 standard
100M exchanger interfaces;

19) Support dialing rule based on E.164 coding; Can store 100 groups of fast dialing numbers.

20) Can store 80 received phone numbers, non-received phone numbers and dialed phone
numbers respectively.

21) Can be set through browser (such as IE), Telnet, keyboard and IPPtool software.
22) Make tailored OEM version according to requirements of the clients.