Cortelco c56p Entry Level (2 SIP) 4 DSS with Display

Description

Support SIP 2.0 (RFC3261)
2 SIP line (1 SIP Key)
Segment LCD display
Codec:G.711A/u, G.723.1 high/low,G.729 a/b, G.722.1,G.726
Support HD voice (HD handset and Speaker)
4 DSS keys
Two 10/100 BaseT Ethernet Interface
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 Bridge mode in LAN
Support Multi-line