Brand: Cisco · SKU: SPA504G · MPN: SPA504G · Category: Networking
The Cisco SPA504G is a full-featured 4-line business-class IP phone that supports Power over Ethernet (PoE). It is part of the Cisco Small Business Pro Series and is designed for business or home office use, particularly for power users like sales and customer service representatives. Key features include a pixel-based 128 x 64 monochrome LCD graphical display with backlight, 4 voice lines, 4 independent SIP registrations, full-duplex speakerphone, built-in high-quality microphone, and an integrated 2.5 mm headset jack. It features two 10/100BASE-T RJ-45 Ethernet ports with an integrated switch, allowing a computer to connect behind the phone to reduce cabling. The phone supports wideband audio for enhanced voice clarity. It is SIP compatible for use with open-source IP PBX platforms and hosted telephony solutions, and SPCP compatible with Cisco Unified Communications 300 and 500 Series. It supports up to two Cisco SPA500S or SPA500DS expansion modules for additional programmable keys.
| Lines | 4 Voice Lines |
|---|---|
| Power | 802.3af PoE or Optional 5V DC Power Supply |
| Display | 128 x 64 Monochrome LCD with Backlight |
| Audio Codecs | G.711a, G.711μ, G.722 (Wideband), G.726, G.729a |
| Headset Jack | 2.5 mm |
| Speakerphone | Full-Duplex |
| Ethernet Ports | 2 x 10/100BASE-T RJ-45 (Integrated Switch) |
| Protocol Support | SIP, SPCP |
| Expansion Modules | Supports up to 2x Cisco SPA500S/SPA500DS |
| Warranty | Not Available |
| Weight | 2 lb / 0.92 kg |
| Dimensions | 1.7 x 8.4 x 8.3" / 4.4 x 21.4 x 21.2 cm |
The Cisco SPA504G is a dependable and affordable 4-line IP phone from the Cisco Small Business Pro Series. It offers wideband audio, a monochrome backlit LCD, dual Ethernet ports (for phone and PC pass-through), and is designed to provide comprehensive interoperability with various VoIP infrastructure leaders. It is ideal for offices with power users who require robust calling features.
Yes, this Cisco SPA504G 4-Line IP Phone with 2-Port Switch PoE and LCD Display (SPA504G) is 100% genuine Cisco hardware. All our products are verified by certified technicians and come with clean serial numbers ready for service contract registration.
This Cisco SPA504G 4-Line IP Phone with 2-Port Switch PoE and LCD Display includes our standard 3-Year Warranty covering all manufacturing defects. We also offer advanced replacement options for minimal downtime.
We offer free ground shipping which typically takes 3-5 business days. Expedited shipping options are available at checkout for faster delivery.
Yes, we have a 30-day return policy on all products. Restocking fees may apply for opened items. Please see our return policy for complete details.
Please check the specifications tab for detailed compatibility information. Our technical team is available to assist with compatibility questions for the SPA504G.