Cisco SPA504G IP Phone

The Cisco SPA504G IP Phone is a SIP-based business VoIP phone designed for users who need reliable voice communications with the flexibility of IP telephony. Featuring support for four voice lines, four independent SIP registrations, a user-friendly display, and dual Ethernet ports, the SPA504G is an excellent solution for small businesses, offices, call centers, and hosted VoIP deployments.

Built to support both open SIP platforms and Cisco Small Business communications systems, the SPA504G delivers dependable performance and advanced telephony features in a cost-effective desktop phone.

Features

4 voice lines
4 independent SIP registrations
128 x 64 monochrome display
4 soft keys
Menu-driven user interface
Navigation keys
Volume control
Fixed feature buttons
Message Waiting Indicator
LED status indicators
Headset support
Dual Ethernet ports
PoE support
SIP compatible
Professionally tested
Warranty included

Specifications

Manufacturer: Cisco
Model: SPA504G
Product Type: IP Phone
Voice Lines: 4
SIP Registrations: 4
Display: 128 x 64 Monochrome LCD
Soft Keys: 4
Headset Jack: 2.5mm
Ethernet Ports: 2 x 10/100 Mbps
Power:
- IEEE PoE Support
- 5VDC Power Supply (Sold Separately)
Supported Codecs:
- G.711a
- G.711u
- G.726
- G.729a/b
- G.722
Dimensions: 8.42″ x 8.35″ x 1.73″ (214 x 212 x 44 mm)
Weight: 2.0 lbs (0.9 kg)
Warranty: Included

Compatibility

Compatible with:

SIP-based hosted VoIP providers
Open-source IP PBX platforms
Cisco Unified Communications 300 Series (UC300)
Cisco Unified Communications 500 Series (UC500)
SIP-compatible business phone systems

Why Choose the Cisco SPA504G?

The Cisco SPA504G combines affordability, reliability, and business-class functionality in a compact desktop phone. With support for four lines, HD-quality voice codecs, Power over Ethernet, and open SIP compatibility, it provides an ideal communications solution for small businesses and organizations transitioning to VoIP technology.

Its flexible deployment options allow it to operate with hosted VoIP services, on-premise IP PBXs, and Cisco Small Business communications platforms.

Professionally Tested

Each Cisco SPA504G 4-Line IP Phone is professionally tested to help ensure reliable performance and compatibility with supported VoIP platforms.

Related Products

Looking for additional Cisco VoIP equipment? Browse our selection of Cisco SPA Series phones, replacement handsets, power supplies, headsets, and business communications equipment.