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Enterprise, small office and residential applications
Key features:
SIP and IAX2 protocol.
STUN
Jitter Buffer(200ms),VAD,CNG
G.711 a/u and G.729 codec
G.167 16ms Acoustic Echo Canceller echo cancellation, 64ms in handsfree mode
Inband audio, RFC2833 and SIP info DTMF transmission method
SIP Call Forward, Call transfer, Call hold, Call waiting, 3-way Talking, Pickup, Join call, Redial, Unredial, Call Park
Hotline, DND(Do Not Disturb), black list, call limitation, caller ID
Dial-peer calling rules and point to point call by IP address
SIP server conference
AES 64bit SIP signal encryption
Auto answer
Data Features:
Static/Dynamic WAN-IP-Addressing
PPPoE
Management
Config with Web , keypad and Telnet
Update firmware and configuration via HTTP , FTP and TFTP
Support auto provision
Support syslog
Support config server management
Guest and admin password changeable
Phonebook support 500 records , and 100 missed calls and call history
Interface
Two RJ45 ports, one for WAN, one LAN.
Power port
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Supported specification and applications
Data networking:
MAC Address
TCP:Transmission Control Protocol
DHCP:Dynamic Host Configuration Protocol
PPPoE:PPP Protocol over Ethernet
POE(option)
SNTP, Simple Network Time Protocol
STUN - Simple Traversal of User Datagram ...
MD5 Message-Digest Algorithm
DNS:Domain Name Server
RTP: Real-time Transport Protocol
RTCP:Real-time Control Protocol
Telnet:Internet's remote login protocol
HTTP:Hyper Text Transfer protocol
FTP:File Transfer protocol
TFTP:Trivial File Transfer Protocol
Call control /voip Features
SIP RFC3261,RFC 2543
Tone generation and Local DTMF re-generation according with ITU-T
G.711(A-law or u-law)
G.723.1(6.3kbps,5.3 kbps)
G729
AGC(Auto Gain Control)
G.168/165 compliant 16ms echo cancellation
AEC(Auto Echo Cancellation)
VAD (Voice Activity Detection)
CNG(Comfort Noise Generation
Enviromental
Electric requirements
Voltage: 9V ~ 24V
Power adapter: output DC 12V/450 mA
Operating requirement
Operation temperature: 0 to 40° C ( 32° to 104°F)
Storage temperature: -30° to 65° C (-22° to 149°F)
Humidity: 10 to 90% no dew
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IP Phones