Cisco IP Phone 8841 - VoIP phone - SIP, RTCP, RTP, SRTP, SDP - 5 lines

Quick overview

Cisco Business Edition 6000 Multiple VoIP protocol support, integrated Ethernet switch SIP, RTCP, RTP, SRTP, SDP G.722, G.729a, G.711u, G.711a, iLBC, iSAC 5 lines Yes Yes (digital duplex) Voice Mail, Caller ID, Call Waiting, Call Forwarding, Call Transfer, Call Hold, Message Waiting Capability LCD display - colour - Yes 2 x Ethernet 10Base-T/100Base-TX/1000Base-T Cisco Unified Communications Manager 8.5.1 or later, Cisco Hosted Collaboration Solution, Cisco Unified Communications Manager Express 10.0 or later 1 year warranty