Detailed Product Description

• Key features:
  • Supports SIPV2 - new industry standard
  • Excellent voice quality (supports G.711A, G.711u, G726, G729A and G729B )
  • Adaptive jitter buffer and echo cancellation
  • Zero configuration (supports secure auto provisioning)
  • Supports multiple SIP account registrations
  • Built-in router function (supports ADSL modem and internet sharing)
  • Supports dial-plan
• Specifications:
  • Network protocol
  • SIP v1(RFC2543) and v2(RFC3261)
  • IP, TCP, UDP, RTP and RTCP x IP, ICMP, ARP, RARP and SNTP
  • TFTP and DHCP client
• Gateway functions:
  • PPPoE client x STUN
  • NAT/DHCP server x telnet/HTTP server
  • DNS client/dynamic DNS/VLAN x DMZ
  • Virtual server x PPTP server
• Voice quality
• VAD, CNG and LEC x packet loss compensation
• Adaptive jitter buffer
• Codec
• G.711, G.723.1, G.726, G.729A, G.729B and iLBC
• DTMF function:
  • In-band DTMF x RFC 2833 DTMF x SIP info
• Phone functions:
  • Volume adjustment x speed dial key
  • Phone book x flash
  • IP assignment
  • Static IP, DHCP and PPPoE
  • NAT traversal QoS
  • Web browser x ToS/DiffServ field
  • Firmware upgrade
  • TFTP/console/HTTP
• Management function:
  • Auto-provisioning
  • Auto-upgrade