Cortelco Executive IP Phone (2 SIP) 8 DSS

Features:

• 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)