Cisco SPA504G

Price: $130.00

List Price: $189.00

  • Manufacturer: Cisco
  • Model: SPA504G
  • UPC:
  • Warranty: 1 year
  • Availability: Available to ship same business day
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Cisco SPA504G

Please Note: This is a PoE capable device and the AC power adapter is not included.

The Cisco SPA504G features dual switched ethernet ports with IEEE 802.3af compliant PoE (Power Over Ethernet) support. The Cisco SPA504G also features a Message Waiting Indicator Light, 4-way navigation key, and 12 button dial pad, dedicated illuminated buttons for Volume, Hold, Menu settings and Voicemail access. The Cisco SPA504G works well with Asterisk, Trixbox, Switchvox, 3CX and other SIP based IP PBX platforms. The Cisco SPA504G supports the standard G.729a codec, as well as G.722 High Definition Audio and several other voice compression codecs. The Cisco SPA504G features a web UI for local provisioning and can also be provisioned remotely via TFTP, HTTP or HTTPS. Other features of the Cisco SPA504G include remote in-service firmware upgrade, XML configuration files, 256 Bit AES encryption of configuration files, and asynchronous notification of Upgrade Availability via SIP Notify.

Cisco SPA504G - Overview

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.

Cisco SPA504G - Features & Functions

  • 4-Line Phone
  • Dual switched ethernet ports
  • IEEE 802.3af PoE (Power Over Ethernet)
  • Supports SIP or SPCP protocol
  • G.729 and G.722 Wideband Audio Support
  • Menu driven user interface
  • Web based GUI, remote provisioning
  • IP dialing support
  • Hi Res LCD Display
  • 2.5mm stereo headset connector
  • AUX port (SPA932 or SPA500S attendant console is supported)
  • High quality audio handset
  • Full duplex hands free speakerphone
  • Hearing aid compatability (HAC)
  • Support calls between TTY’s
  • Works well with GN Netcom, Jabra and Plantronics wired headsets
  • Optional PA100 Power Adapter and MB100 Wall Mount Adapter
  • Much more….

Cisco SPA504G Specifications

Cisco SPA504G - Technical Information
Phone Lines

IP Phone Technology

Cisco SPA504G - Network & Communication
Wireless Technology
IEEE 802.11b/g  

Cisco SPA504G - Display & Graphics
Display Screen
320 x 240 3.2" LCD - Graphic-rich, high-resolution, QVGA display  

Cisco SPA504G - Interfaces/Ports
1 x Sub-mini phone Headset
1 x USB 2.0 USB
1 x RJ-7 Headset
2 x RJ-45 10/100Base-TX LAN
Cisco SPA504G - Management & Protocols
Communication Protocols

SIP v2

Cisco SPA504G - Controls/Indicators
Buttons & Keys
5 x Key - Lighted line
1 x Key - Hold
1 x Key - Menu
1 x Key - Voicemail
1 x Key - Lighted Mute
1 x Key - Lighted Headset
1 x Key - Lighted Speakerphone
1 x Button - 5-way Navigational
4 x Button - Soft-key
Cisco SPA504G - Physical Characteristics
Dark Gray
Silver Bezel
8.4" Height x 8.3" Width x 1.7" Depth  
1.98 lb  

Cisco SPA504G - Shipping Information
Shipping Dimensions
4.75" Height x 10.0" Width x 10.75" Depth  
Shipping Weight
3.22 lb  

Cisco SPA504G - Miscellaneous
Additional Information
PoE Support
High-quality speakerphone
Lighted message waiting indicator
Call hold
Music on hold
Call waiting
Caller ID name and number
Outbound caller ID blocking
Call transfer-attended or blind
Call conferencing-hosted (N-party) or local (3-party)
Call forwarding-unconditional, no answer, on busy
Visual voice message waiting indicator (VMWI)
Shared/bridge line appearance
Call pickup-selective and group
Call park and unpark
Call back on busy
Call blocking-anonymous and selective
Do not disturb
Group paging
Extension mobility
URL (IP) dialing support
Call progress tone generation
Jitter buffer-adaptive
Frame loss concealment
Voice activity detection (VAD) with silence suppression
Customizable screen saver on phone display (Photo Album)
Music player (MP3)
RSS web services
SIP third-party call control for server-based applications
Lightweight Directory Access Protocol (LDAP) and Cisco XML-based corporate directory support
Green Compliance
Green Compliance Certificate/Authority

Cisco SPA504G Resources

Datasheets & Brochures:
Cisco SPA504G Datasheet (PDF)