The Cisco SPA301 is a single line, basic IP phone with no LCD display. This phone is best suited for common areas with low traffic volume such as break rooms, hotel lobbies, and kitchens.

The Cisco SPA525G2 VoIP phone is a 5 line SIP phone featuring a 3.2in high resolution color display, HD Voice, and built in WiFi connectivity.

The Cisco SPA508G is Cisco's 8-line business desktop IP Phone within the Cisco Small Business Pro product family. It features dual 10/100 Ethernet ports, 2.5mm headset jack, HD Voice codec, and support for SIP or SPCP.

The Cisco SPA504G is Cisco's 4-line business desktop IP Phone within the Cisco Small Business Pro product family.

The Cisco SPA502G is a 1 Line IP phone that features dual switched Ethernet ports with IEEE 802.3af compliant PoE (Power Over Ethernet) support. The SPA502G has been tested for interoperability with many top VoIP brands. This competitively priced phone has feature-rich services such as easy station moves and shared line appearances. Also, this phone's encryption protocols handles in-service software upgrades and remote provisioning so that you don't have to.