The SVP309 is an ethernet IP Phone that offers 1 LAN and 1 WAN for PC and Internet connections. It is an Entry level IP Phone that supports SIP protocol. There are 2 SIP servers can be registered simultaneously. It is the most cost effective IP phone that specially designed for Internet Telephone Service Providers.
>>> Phone Features: > Offering 1 LAN and 1 WAN port for PC and Internet connections; > Support SIP 2.0 (RFC3261) and correlative RFCs, 2 SIP accounts can be registered simultaneously; > Support SIP and IAX, 2 Sip and 2 IAX accounts can be registered simultaneously. > Support G. 711A/u, G. 7231 high/low, G. 729a/b, G. 722 codecs; > Support Echo cancellation: G. 168 Compliance in LEC, additional acoustic echo cancellation(AEC) can Reach 96ms max filter length in hands-free mode; > Support Voice Gain Setting, VAD, CNG > Support Full duplex hands-free speakerphone > Support DTMF MODE: DTMF_RELAY, SIP_INFO, RFC_2833 > Support NAT transverse; Support STUN client
>>> Software Features: > SIP application: Support Call forward/transfer/holding/waiting/3 way call/call park/join call/click to dial > SIP support SIP domain, SIP authentication (none, basic, MD5), Peer to Peer call > Call control features: Flexible dial map, hotline, empty calling no. Reject service, black list for reject authenticated call, white list, limit call, no disturb, caller ID, > Incoming calls /outgoing calls / missing calls. Each support 100 records > Support Phonebook 500 records, 10 kind of ring type, Support Conference, Mute, MWI
>>> Networking Protocols > WAN/LAN: Supports Bridge > Support PPPoE for xDSL > Support DHCP client on WAN > Support SNTP Client, Firewall > Support primary and seconary DNS server > Support VLAN, QoS with DiffServ > Network tools in telnet server: Including ping, trace route, telnet client
>>> Management > Web, telnet and keypad management, Upgrade firmware through POST mode, Safe mode > Support Auto Provisioning (upgrade firmware through HTTP, FTP or TFTP) and Syslog