Cisco SPA504G IP Phone

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Cisco SPA504G IP Phone


Cisco SPA504G IP Phone (product code: SPA504G) is in stock.

The Cisco SPA504G IP Phone (SPA504G) is ideal for small businesses or home office use. Part of the Small Business Pro Series, this 4-line IP phone supports Power over Ethernet (PoE), has a monochrome backlit display with on-screen applications and wideband audio for superior voice and speaker quality.

The SPA504G connects directly to an Internet telephone service provider or to an IP private branch exchange (PBX). It offers easy installation with dual switched Ethernet ports to reduce cabling, and menu and web-based configuration. 

This is a highly secure phone which supports up to two expansion modules to scale up the IP phone’s capabilities and. It also supports both SIP and SPCP with the Cisco Unified Communications 500 Series for Small Business. The Cisco SPA504G is also compatible with equipment from many VoIP infrastructure leaders which enables a number of additional features. 

The Cisco SPA504G 4-Line IP Phone also supports productivity-enhancing features such as VoiceView Express and Cisco XML applications when used with the Cisco Unified Communications 500 Series in SPCP mode.

The Cisco SPA504G IP Phone features include four Independent SIP Registrations, line status, local and geographic shared line appearance, call hold, on-hold music, call waiting, caller ID, call transfer, three-way call conferencing with local mixing, multiparty conferencing via external conference bridge, call pick-up, call swap, conditional call forwarding, call logs, directory, on-hook default audio configuration (speakerphone and headset), multiple ringtones, intelligent daylight savings, call timer and speed dial.

Technical features include Network Address Translation (NAT) Traversal, including Simple Traversal of UDP Through NATs (STUN) support, DNS SRV and multiple A records for proxy lookup and proxy redundancy, Syslog, debug, report generation, and event logging, built-in web server for administration and configuration with multiple security levels and automated remote provisioning, multiple methods; up to 256-bit encryption (HTTP, HTTPS, Trivial File Transfer Protocol [TFTP]).

The Cisco SPA504G IP Phone has highly secure call encrypted voice communications support with standard encryption protocols to perform secure remote provisioning and unobtrusive in-service software upgrades. 

MF Communications stock a wide range of Cisco business phones and phone accessories. All products are fully tested, come with a full warranty and can be delivered worldwide.

By supplying current and legacy business telephone system parts to small, medium and large companies in over 125 countries, we have built up a reputation for excellent quality products and customer service, good lead times and a wide range of stock availability.

We have 1000s of products in our warehouse. So, if you cannot find the parts you are looking for, contact us and we will find them for you.

Please quote Cisco SPA504G IP Phone or product code: SPA504G when contacting us about this product. 

Key Features

  • 4 Line IP phone
  • 128 x 64 Monochrome backlit display
  • 4 Way navigation key
  • Full Duplex speakerphone
  • High quality audio
  • 2.5mm Headset jack
  • 2x RJ45 Ethernet ports
  • Integrated Power over Ethernet (PoE)
  • Support up to 2x expansion modules (Cisco SPA500S)

At MF Communications we offer a full one year warranty* on all new, remanufactured and refurbished products.

We offer after sales support** and advice from answering simple user questions to full system programming services. These services are maintained through a combination of online support documents and a full range of business telecoms services, including our maintenance and support services.

We will do all we can to offer our assistance with any problems you may encounter.

MF Communications has built its reputation on offering customer satisfaction. So if you are a customer with a problem, we want to know about it. You can contact us by calling +44 (0) 1892 514687 or email

*some DECT telephones & untested equipment has a reduced time period warranty.

**where relevant to products/services offered.

UK Delivery

We aim for next day delivery. Any order placed before 1.00 pm on any business day (Monday – Friday excluding Bank Holidays) should be delivered the next business day before 5.30 pm (assuming the item is in stock).

Worldwide Delivery

We ship worldwide from our UK warehouse. All international shipment charges are quoted per parcel. If your order exceeds the standard parcel size further shipment charges will be due before the order can be shipped. We will contact you directly with any additional shipment charges are due.

Read more information on UK and Worldwide Delivery.

  1. The Customer is required to inspect all goods upon receipt and to notify MF Communications Limited of any defects or complaints within 7 days of receiving goods.
  2. It is the responsibility of the customer to ensure the safe return of faulty or incorrect goods to MF Communications Limited.
  3. All goods returned must clearly state customers name, order no, telephone number, fault details and proof of purchasing. These goods must be in MF Communications Limited’s original packaging and condition, with original insertions, fixtures and parts. Failure to do so will result in the refund being invalidated.
  4. We use tamper proof labels which are stuck to each item sold by MF Communications Limited. This ensures that goods have been purchased from MF Communications Limited. When the label is peeled back MF Communications Limited Company details sticks to the glue and the label will then say void. No goods will be accepted back unless this label is intact.
  5. Restocking Fee 20% UK Only. Returned Goods MUST be in re-saleable condition or customer will be charged full invoice value.