- 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 BRAND : ITT
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