DT920N

DT920N

General       

-   Maximum of 6 VoIP accounts

-   Scalable to 6 extension handsets

-   1.8」 2-line dot matrix LCD with color backlight

-   Wideband G.722 Codec

-   IPv4

-   WAN port. PoE

-   Dual Power (AC adapter necessary. Please specify at the time of order placement)

 

Server Compliance

-   Asterisk / Broadsoft  / Alcatel / NEC / Avaya / Aastra

             

Call features      

-   Call Hold / Call Resume

-   Call Waiting Indication     

-   Call transfer (Q2 2014)   

-   Caller ID display

-   Redial List and Call Redial

-   Volume control

-   Direct IP call without SIP proxy   

-   Phonebook (15+ entries)

-   Call history: dialled/received/missed/forwarded

-   LCD menu user interface

             

Physical Features            

-   1.8」 2-line dot matrix display with color backlight

-   Keypad backlit

-   RJ45 10/100M Ethernet WAN port

-   Power adapter: AC 100~240V inputDC 9V/500mA output (specified at order placement)

-   Power over Ethernet IEEE 802.3af

 

Codecs and Voice Features           

-   Wideband codec: G.722  

-   Narrowband codec: G.711μ/A, ILBC   

-   G.729   

-   VAD, CNG, AEC, PLC, AJB, AGC   

-   Full-duplex speakerphone with AEC    

 

Network Features           

-   SIP v1 (RFC2543), v2 (RFC3261)

-   IPv4

-   VLAN QoS (Q2 2014)

-   NAT Traversal: STUN mode  

-   DTMF: In-Band, RFC2833, SIP Info    

-   IP Assignment: Static/DHCP

-   TFTP/DHCP/PPPoE client  

-   Telnet/HTTP server

-   DNS client   

 

Management and Provisioning

-   XML messaging supported

-   F/W provision via TFTP/HTTP

-   Auto-provisioning: Option66

-   Mass-configuration tool for system integration (check with your local supplier / distributor)

-   Telnet