Description
- Support 2.0 (RFC3261) and correlative RFCs
- Support IAX2
- Support 2 SIP lines
- Codec:G.711A/u, G.723.1 high/low,G.729 a/b, G.722.1,G.726
- Support HD voice
- Soft keys programmable
- Hard function key reprogrammable
- SIP application:support call forward/transfer(blind/attended)/holding/waiting/3 way talking/conference/pickup/join call/redial and unredial/
- Click to dial/secondary dialing automatically
- Support SRTP
- Support BLF
Hardware Features
- Two 10/100 BaseT Ethernet Interface
- 128*48 FSTN graphic LCD
- Support Multi-line
- Support IAX2 line key
- Support Open VPN and L2TP
- 4 DSS keys
