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Cisco SPA 504G IP Phone Item # 105459
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Part of the Cisco Small Business Series, the SIP-based Cisco SPA 504G 4-Line IP Phone has been tested to ensure comprehensive interoperability with equipment from voice over IP (VoIP) infrastructure leaders, enabling service providers to quickly roll out competitive, feature-rich services to their customers.With hundreds of features and configurable service parameters, the Cisco SPA 504G addresses the requirements of traditional business users while building on the advantages of IP telephony. Features such as easy station moves and shared line appearances (across local and geographically dispersed locations) are just some of the many advantages of the SPA 504G.
|Additional Information||PoE Support; High Quality Handset and Cradle; Built-In High Quality Microphone and Speaker; Adaptive jitter buffer; VAD Voice Activity Detection with Silence Suppression; Provisioning, Administration, and Maintenance; Speakerphone; Call Hold; Music on Hold; Call Waiting; Caller ID Name and Number and Outbound Caller ID Blocking; Outbound Caller ID Blocking; Call Transfer - Attended and Blind; Three Way Call Conferencing with Local Mixing; Automatic Redial of Last Calling and Last Called Numbers|
|Buttons & Keys Type||Hold Button|
|Communication Protocols||SIP v2|
|Input Voltage||110 V AC; 220 V AC|
|IP Phone Technology||VoIP|
|Key Expansion Module Max Qty||2|
|manufacturer||Cisco Systems, Inc|
|package contents||SPA504G IP Phone; Stand; Handset Cord; RJ45 Ethernet Cable; Quick Installation Guide|
|ports||2 Ethernet (RJ-45); 1 headset|
|Power Over Ethernet (PoE) Support||Yes|
|screen resolution||128 x 64|
|Total Number of Phone Lines||4|
|Voice Codec||G.711a; G.711u; G.726; G.729a; G.722; G.723.1|
|warranty length||1-year limited|
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