Best Cisco IP Phone

By Shifali Rao . Last updated Aug 2, 2013.

Cisco are one of the leading manufacturers of VoIP phones and bring out some ace models with high resolution LCD displays to read caller-ids. Their VoIP phones typically use SIP or SPCP signalling protocols and work with IEEE 802.1p/Q, so be sure your network devices and server are compatible with it. The best Cisco VoIP phones offer good internet connectivity through two ethernet ports and power over ethernet facility.