Key Features:
01)SIP support 2 SIP lines. Can connect to SIP1 and SIP2 server at the same time
02)SIP application: support Call forward/ transfer/ holding/ waiting / 3 way talking
03)Call control features: Flexible dial map, Hotline, Empty calling reject, Black list for reject authenticated call, limit call, No disturb, Caller ID, Support Phonebook 500 records
04)Incoming calls / Outgoing calls / Missing calls. Each support 100 records
05)Support conference and voice record on SIP server
06)Support 10 kind of ring type and 1 user ring
07)Support IAX2
08)Support MWI,SMS,Speed Dial, Memo, Multilanguage realizes localization
09)Support SIP 2.0 (RFC3261) and correlative RFCs
10)Codec:G.711 A/U Law, G.723.1, G.729a/b, G.722,G.722.1, G.726
11)Echo cancellation: Support G.168, and Hands-free can support 96ms, Hand free Speaker Phone
12)Support Voice Gain Setting, VAD, CNG
13)Full duplex hands-free speakerphone
14)NAT transverse:support STUN client
15)DTMF:Support SIP info, DTMF Relay, RFC2833
16)Support DMZ,VPN (L2TP)
17)POE(Powered over Ehternet)