Key Facts
Support two SIP carrier
Support IAX2, SIP RFC3261 ,RFC2543
Codec��G.711A/u, G.7231 high/low, G.729
Support 3 way conference call & voice record; CE APPROVAL

Packing Detail
Features:
? Echo cancellation: Support G.168, and Hands-free can support 96ms, Hand free Speaker Phone
? Support Voice Gain Setting, Jitter Buffer, VAD, CNG.
? Support STUN client,support VPN
? SIP support SIP domain, SIP authentication ,DNS name of server, Peer to Peer
? SIP support Pubic & Private server. Can connect to ISP and Private SIP server synchronously.
? DTMF��Support SIP info, DTMF Relay, RFC2833
? Call service: support Call forward/transfer/hold
call waiting / no disturb/ back list/ ban outgoing / hotline/ Speed Dialing/out-limit /caller id/redial
? Call control features: Flexible dial map/flexible and useful dial rule
? Support Phonebook 100 record
? Call history :Incoming calls / Outgoing calls / Missing calls,Each support 100 record.
? Support auto update
? Support QOS , support VLAN , DiffServ
? Language English, Spanish, Czechoslovak alternative. language custom-tailor