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Supporting
SIP 2.0 and 1.0 protocol
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Supporting
NAT transverse: STUN mode
-
Supporting
static/dynamic WAN-IP-Addressing and PPPOE
-
Supporting
in-band DTMF and out-of band RFC2833 DTMF
-
Supporting
proxy mode and peer-to-peer SIP link mode
-
Codec:
G.711 A/u, G.723.1 High/low, G.726 and G.729A/B
-
Supports: VAD (voice activity detection), CNG ( comfortable noise
generator), AEC (Acoustic
echo canceller), LEC (line echo canceller), packet loss
compensation and adaptive jitter buffer
-
Rich call functions: Call forward, 3-way Conference, Call
Hold, Caller ID Display and Call
Waiting.
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Adjustable
stand, Big LCD with blue backlight and big characters give you better LCD
review
-
Phone
functions: Volume Adjustment, Speed Dial, Phone book, Flash and Speaker
Phone.
-
Can
be configured through web browser, console/telnet or keypad
-
Firmware
can be upgraded through HTTP, FTP or TFTP
