The Cisco SPA504g is a 4 line VoIP phone which features a large backlit LCD, 2 switched 10/100 ports, and Cisco HD Voice. Supporting either SIP or SPCP, the Cisco SPA504G is the perfect IP phone for hosted VoIP or premise based IP PBX systems.
The Cisco SPA504G supports LDAPv3 Corporate Directory Search, Cisco XML-based Corporate Directory and features a customizable logo and screensaver. SIP 3rd party call control for server based applications and Cisco XML API support for advanced applications is also available. The Cisco SPA504G supports for the standard SIP2.0 protocol, as well as Cisco’s proprietary SPCP (Smart Phone Control Protocol), a derivative of Cisco’s SCCP (Skinny) call control protocol which is used on the Cisco UC500 platform. The Cisco SPA504G is part of the Cisco Small Business Pro product family of Cisco phones.
Cisco SPA504G Features & Functions: