| |
Key Features:
Support SIP 2.0, TCP/UDP/IP, RTP/RTCP, HTTP, ICMP, ARP/RARP,DNS,
DHCP, NTP/SNTP, PPPoE, STUN, TFTP …etc
Built-in router, NAT, Gateway, DMZ, and port forwarding
Powerful digital signal processing (DSP) to ensure superb
audio quality: advanced adaptive jitter control and packet loss
concealment technology
Support popular vocoder including G.723, G.729A/B, G.711
(a-law and u-law), G.726 (40K/32K/24K/16K), and ILBC
Support STUN and symmetric RTP for NAT
Support Caller ID/name display or block, Hold, Call Waiting,
Flash, Call Transfer (Blind and Consultative), Call Forward (No
Answer/Busy/All), in-band and out-of-band DTMF, Dial Plans, three
way conference, etc
Support Call Waiting Caller ID with Name/Number
Support Call Back on Busy
Support Hot Line and Warm Line Calling
Support Speed Dialing of 8 Numbers/Addresses
Support fax pass through
Support Silence Suppression, VAD (Voice Activity Detection),
CNG (Comfort Noise Generation), Line Echo Cancellation (G.168),
and AGC (Automatic Gain Control)
Support standard encryption and authentication (DIGEST
using MD5 and MD5-sess)
Support for layer 2 (802.1q VLAN, 802.1q) and Layer 3
QOS ( ToS, Diffserv, MPLS)
Support automated NAT traversal without manual manipulation
of firewall/NAT
Support device configuration via built-in IVR, web browser,
or downloading encrypted configuration file through TFTP or HTTP
Support firmware upgrade via TFTP or HTTP
Interoperable with various 3rd party SIP end user device,
Proxy/Registrar/Server, and gateway products
Advanced 32bit embed MCU + DSP technology to ensure superior
audio quality
|