IP Telephony

Cisco

Cisco Unified SIP Phone 3905 - VoIP phone - SIP, RTCP - charcoal

Cisco

Cisco IP Phone 7841 - VoIP phone - SIP, SRTP - 4 lines - refurbished

1 Line IP Phone With Display, PoE, PC Port

Cisco

Cisco UP Phone 7821

Cisco

Cisco Small Business SPA 512G - VoIP phone - SIP, SIP v2, SPCP, RTCP, RTP, SRTP

Cisco

Cisco UP Phone 7841

Cisco

Cisco UP Phone 7861

Cisco

Cisco IP Phone 8811 - VoIP phone - SIP, RTCP, RTP, SRTP, SDP - 5 lines

Cisco

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

Cisco

Cisco IP Phone 8851 - VoIP phone - SIP, RTCP, RTP, SRTP, SDP - 5 lines

Cisco

Cisco IP Phone 8821 - Cordless extension handset - with Bluetooth interface - IEEE 802.11a/b/g/n/ac (Wi-Fi) - SIP - 6 lines

Cisco

Cisco IP Phone 8865 - IP video phone - with digital camera, Bluetooth interface - IEEE 802.11a/b/g/n/ac (Wi-Fi) - SIP, SDP - 5 lines - charcoal

Cisco

Cisco IP Phone 8861 - VoIP phone - IEEE 802.11a/b/g/n/ac (Wi-Fi) - SIP, RTP, SDP - 5 lines - charcoal