Cisco SPA504G phone + power supply ( PA100)
Brand New Includes One Year Warranty
No Longer Manufactured
Item # SPA504G_AC
  • Corded Voice Over IP Phone
  • SIP & SPCP Protocols
  • Cisco Unified Communications 500 Series
  • 4-Lines Operation
  • 128 x 64 Pixels Monochrome Backlit Display
  • Built-in Speakerphone
  • Three Way Call Conferencing w/ Local Mixing
  • Wideband Audio
  • IEEE 802.3af Power Over Ethernet (POE)
  • Four Independent SIP Registrations
  • Highly Secure Call Encrypted Voice Communication
  • Includes PA100 Power Supply
Cisco SPA504G phone + power supply ( PA100)
Brand New Includes One Year Warranty
The Cisco SPA504G_AC is a 4-line IP Phone with PA100 power supply that ensures comprehensive interoperability with equipment from voice over IP infrastructure leaders. It uses standard encryption protocols to perform highly secure remote provisioning and unobtrusive in-service software upgrades. Remote provisioning tools have detailed performance measurement and troubleshooting features that enable network providers to deliver high-quality support to their subscribers.

The SPA504G_AC supports productivity-enhancing features such as VoiceView Express and Cisco XML applications when used with the Cisco Unified Communications 500 Series in SPCP mode. With the ability to support two Cisco SPA500S Expansion Modules, you can add an additional 64 line appearances, perfect for managers and administrators who need extra keys for speed dials, shared lines, and monitor lines.

SPA504G_AC Features:

  • Corded Voice Over IP Phone
  • Multiprotocol Enabled
    - Session Initiated Protocol (SIP)
    - Smart Phone Control Protocol (SPCP)
  • Cisco Unified Communications 500 Series
  • 4-Lines Operation
  • 128 x 64 Pixels Monochrome Backlit Display
  • Three Way Call Conferencing w/ Local Mixing
  • Wideband Audio
  • IEEE 802.3af Power Over Ethernet (POE)
  • Multiparty Conferencing Via External Conference Bridge
  • Four Independent SIP Registrations
  • Shared Line Appearance
  • Built-in Speakerphone & Microphone
  • 4 Soft-Key Buttons
  • Dedicated Illuminated Buttons:
    - Speakerphone on/off Button
    - Headset on/off Button
    - Mute Button
    - Message Waiting
  • Voicemail Key
    - 1 Button Access to Voicemail
  • Standard 12-Button Dialing Pad
  • 4-Way Directional Knob for Menu Navigation
  • Uniform Resource Identifier (URI) Dialing Support
  • Volume Control Rocking Up/Down Knob
    - Controls Handset, Headset, Speaker & Ringer
  • Menu-Driven User Interface
  • Group Paging & Intercom
  • Highly Secure Call Encrypted Voice Communication
  • Password-Protected Access To Administrator
  • Outbound Caller ID Blocking
  • 10 User-Downloadable Ring Tones
  • 8 Entry Level Speed Dialing
  • Intelligent Daylight Savings
  • Call Forwarding, Call Swap, Call Park & Unpark
  • Call Pickup
    - Selective & Group
  • Two Ethernet Ports w/ Integrated Ethernet Switch
    - 10/100BASE-T & RJ-45
  • Supports
    - Up To Two Cisco® SPA500S Expansion Module
    - Network Address Translation (NAT) Traversal
  • Voice Activity Detection (VAD) w/ Silence Suppression
  • Syslog, Debug, Report Generation, & Event Logging
  • G.711, G.722, G.726 & G.729A Audio Compression Codecs
  • Easy Installation & Highly Secure Remote Provisioning
  • Includes PA100 Power Supply