Features:

* Infineon ADM 5120P.
* Support four SIP servers running at the same time.
* Redundancy SIP server support .
* T.30,T.38 Fax Protocol support .
* NAT,Firewall .
* DHCP client and server.
* Support PPPoE ( use for xDSL.cable modem connecting ) .
* Support major G7.xxx CODEC .
* VAD,CNG.
* G.165 compliant 16ms echo cancellation .
* E.164 dial plan and customized dial rules.
* Hotline.
* Call forward,call transfer,3-way conference calls .
* Call ID display .
* DND ( Do Not Disturb),Black List,Limit List .
* Reverse polarity .
* Voice prompt .

Management :

* Web,telnet and keypad management .
* Adjustable user password and super password.
* Upgrade firmware through HTTP,FTP or TFTP.
* Telnet remote management.
* Upload/download setting file .
* Auto-provision.
* Safe mode provide reliability .