Type:VoIP Products Status:Stock Product Name:CP-7841-K9 Warranty:One Year Compatible Platform:Cisco Business Edition 6000 Main Features:Multiple VoIP protocol support Manufacturer:Cisco VoIP Protocols:SIP, RTCP, RTP, SRTP, SDP PoE Class:1 Ethernet Switch:10 100 1000 Full Duplex SpeakerYes