Cortelco Executive IP Phone (2 SIP) 8 DSS ITT-C60

- 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
- 2 line keys defined as multi-line with screen display, or used as SIP line keys
- 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
- Support SRTP
- Support BLF
- Two 10/100 BaseT Ethernet Interface
- Large dot matrix LCD Display
- Support Multi-line
- Support IAX2 line key
- Support Open VPN and L2TP
- 8 DSS keys
- PoE,TR-069,Headset(RJ9)