FEATURES
● Call hold, Call waiting, and call forwarding
● Conference calling (with or without server)
● Call transfer (blind or consultative)
● 8 distinctive ring tone
● Volume and Ringer level control
● Do not disturb
● paging/intercom
● Auto answer
● Configurable dial plan
USER INTERFACE
● Keypad dialing
● Voicemail retrieval via keypad or programmable keys
● 1 programmable keys for speed dial or feature access.
CONFIGURATION AND MANAGEMENT
● Simple Web-based configuration and status check
● Auto-provisioning using TFTP/FTP
● Update phone book remotely via web browser
● Software upgrade via TFTP or FTP
ENTERPRISE FUNCTIONALITY
● 802.3af Power over Ethernet
● VLAN and DSCP
● VPN
TECHNICAL SPECIFICATION
Protocols Supported:
● SIP (RFC3261, RFC3262).
● SDP (RFC2327)
● (SIP) Subscribe/Notify(RFC3265)
● (SIP) Offer/Answer Model(RFC3264)
● (SIP) Refer Method (RFC3515)
● DTMF transport (RFC2833)
● SIP INFO and in-band DTMF transport
● RTP/RTCP (RFC3550,3551)
● (SIP)DNS SRV (RFC2781)
Networking:
● Support basic NAT and NAPT.
● Support PPPoE for xDSL.
● Support DHCP Client on WAN
● Support DNS Relay, SNTP Client, Firewall
● Network tools in telnet server: Including ping, race route, telnet client
QoS:
● DiffServ /IP Precedence; IEEE 802.3p
Audio/ Codec:
● G.711 A law and G.711 U law 64K
● G.729
● G.723.1
● DTMF tone Generation
● Acoustic echo cancellation
● Built-in audio mixer
Security:
● voice encryption(RC4,etc.)
User level configuration and status:
● Brower based configuration interface and status page
● Edit the programmable keys using web interface
Overview
