These used and factory-resent Cisco SPA504G IP Phones are ideal for small businesses or home office use. This 4-line IP phone supports Power over Ethernet (PoE), has a monochrome backlit display with on-screen applications and wideband audio for superior voice and speaker quality.
 
This is a highly secure phone which supports up to two expansion modules. It also supports both SIP and SPCP with the Cisco Unified Communications 500 Series for Small businesses. The Cisco SPA504G is also compatible with equipment from many VoIP infrastructure leaders which enables a number of additional features. 
 
Features offered by the SPA540G include four Independent SIP Registrations, line status, local and geographic shared line appearance, call hold, on-hold music, call waiting, caller ID, call transfer, three-way call conferencing with local mixing, multiparty conferencing via external conference bridge, call pick-up, call swap, conditional call forwarding, call logs, directory, on-hook default audio configuration (speakerphone and headset), multiple ringtones, intelligent daylight savings, call timer and speed dial.
 
Office Phone Shop stocks a wide range of new, remanufactured and refurbished office telephone system spares and parts. Please quote Cisco SPA504G IP Phone or product code SPA504G when ordering.