Cisco SPA504G 4 Lines IP Phone
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SPA504G Cisco SPA 504G 4 Lines VOIP Phone Refurbished

Availability: In Stock
Part Number#: SPA504G
List Price was: $153.85
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Short Description:
SPA504G Small Business 4 Line Charcoal IP Display Speakerphone, Voice over Internet Protocol (VoIP) IP Phone | Made by Cisco | Refurbished
Product Condition:
Warranty provided by ALLHDD.COM:
90 Days

High Performance

The SPA504G Cisco 4 Lines Small Business IP Phone is a high-performance business phone designed for use with Cisco Unified Communications Manager (UCM) systems. It features four lines, a large display screen, and a range of advanced features that make it ideal for use in small to medium-sized businesses.

One of the key features of the model is its compatibility with a wide range of Cisco UCM systems, including versions 8.0 and higher. It is also compatible with a variety of voice protocols such as SIP, MGCP, and SCCP, making it a versatile and flexible solution for a wide range of voice connectivity needs.

In terms of performance, the product is designed to deliver clear and reliable voice quality, even in noisy environments. It also includes a range of advanced features such as call transfer, call hold, and conference calling, making it ideal for use in a variety of business settings.


The Cisco SPA504G is a 4-line IP phone that is designed to work with a variety of VoIP systems. It is compatible with many popular VoIP platforms, including Cisco's own CallManager, Asterisk, and others that support the SIP protocol. It is also compatible with most of the common PSTN networks.

The SPA504G has a number of features that make it well-suited for use in a business setting, including support for multiple call appearances, a built-in speakerphone, and a large, easy-to-use display. Additionally, the phone supports a wide range of codecs, including G.711, G.729a, G.723.1, and more.

Reliability of IP Phone

The SPA504G Cisco 4 Lines Small Business IP Phone is a highly reliable VoIP phone designed for use in small business environments. It features four lines and is capable of supporting up to two calls per line, making it a versatile and flexible solution for small businesses.

One of the key features of the SPA504G is its ability to support a wide range of VoIP protocols, including SIP, H.323, and MGCP. This allows it to be easily integrated into a variety of VoIP networks and provides users with a range of connectivity options.

In terms of hardware, the SPA504G is built to withstand the demands of small business environments, with a durable metal chassis and a fanless design for quiet operation. It also includes a built-in web-based management interface that allows administrators to easily configure and manage the phone remotely.

General Information about this Cisco SPA504G

  • Manufacturer: Cisco
  • Part Number or SKU# SPA504G
  • Product Series: 500
  • Product Model: SPA 504G
  • Product Type: Voice Over Internet Protocol (VoIP) Phone

Technical Information of VoIP Phone

  • Telephony Equipment: IP Phone
  • Network (RJ-45): Yes
  • Number of Network (RJ-45) Ports: 2
  • Headset Port: Yes
  • Body Color : Silver, Dark Gray
  • Body Material : Abs Plastic

Phone Features for 2 Ports Internet Protocol Phone

  • Key Expansion Module Max Qty : 2
  • Dialer Type : Keypad
  • Dialer Location : Base
  • Conference Call Capability : 3-way
  • Intercom : Yes
  • Speakerphone : Yes ( Digital Duplex )
  • Caller Id : Yes
  • Automatic Redial : Yes
  • Voice Mail Capability : Yes
  • Call Waiting : Yes
  • Call Forwarding : Yes
  • Call Transfer : Yes
  • Call Hold : Yes
  • Menu Operation : Yes
  • Function Buttons : Conference Button, Speakerphone Button, Transfer Button,
  • Headset Button , Mute Button, Hold Button, Redial Button
  • Programmable Buttons Qty : 4
  • Volume Control : Yes
  • Ringer Control : Yes
  • Indicators : Voice Message Waiting Indicator, Speakerphone Indicator, Headset
  • Firmware Upgradable : Yes
  • Additional Functions : Call Timer, Built-in Clock, Pager Call
  • Additional Features : On-hook Dialing, Music On Hold, Built-in Web Server

IP Telephony

  • Main Features : Multiline Support, Multiple Voip Protocol Support, Integrated Ethernet Switch, Power Over Ethernet (poe) Support
  • Voip Protocols : Sip, Sip V2, Spcp
  • Voice Codecs : G.722, G.729a, G.711u, G.711a, G.726
  • Lines Supported : 4 Lines
  • Quality Of Service : Ieee 802.1q (vlan), Differentiated Services (diffserv), Ieee 802.1p, Type Of Service (tos)
  • Ip Address Assignment : Dhcp
  • Security : 256 Bit Aes
  • Network Protocols : Ip, Tcp, Tftp, Udp, Icmp, Arp, Http, Dns, Https
  • Network Ports Qty : 2 X Ethernet 10base-t/100base-tx
  • Voice Features : Comfort Noise Generation (cng), Voice Activity Detection (vad), Hd Voice
  • Network Features : Network Address Translation (nat)
  • Phone Memory
  • Phone Directory Capacity : 100 Names & Numbers
  • Call Log Capacity : 60 Numbers


  • Type : Lcd Display - Monochrome
  • Display Location : Base
  • Display Resolution : 128 X 64 Pixels
  • Features : Backlit

Compatibility Information

  • SIP compatible for use with open source IP PBX platforms and hosted telephony solutions
  • SPCP compatible for use with Cisco Unified Communications 300 (UC300) and 500 (UC500) Series for Small Business
Product Condition:
Warranty provided by ALLHDD.COM:
90 Days

About Refurbished Products

Refurbished products are typically refurbished by an Original Manufacturer or an affiliate of the manufacturer or 3rd party facility. This product may have minor blemishes due to normal product usage and doesn't necessarily come with documentation and software unless indicated, but has been well tested and generally has never had any defects.

Here, you can check more available conditions of your desired product SPA504G at a competitive price. We are trying our best to meet your needs on the enterprise-level computer, server, data centre, and networking hardware. You are welcome to ask our live chat or get live representative support over the phone.


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ALLHDD guarantees that the products will not have defects in material that will affect the product's functionality during the Standard Warranty Period. The warranty period starts when the merchandise/items from our warehouse.

What does ALLHDD.Com warranty cover?

30-days to 3 years warranty:

Replacement or refund. In the case of material defects, we will try to replace the product first. The product will be replaced before the expiration of the original warranty. For any failure of hardware, if we cannot process the replacement of the product(s)/model(s), we will refund the original selling/invoiced price. The shipping costs and sales tax, if any, are non-refundable. ALLHDD retains the right to decide whether the item(s) will process for replacement or refund.

What is not covered by our warranty?

The reason why our warranty does not cover any problem caused by the following conditions:

(a) misuse of hardware; accidental damage; carelessness product(s) damage; shock; temperature beyond the specification of any product; faulty installation; operation; modification of goods;

(b) any misuse outside the instructions in the user manual for any specific product;

(c) damaged caused by other hardware or equipment. The warranty will void if the item is returned with physical damage, damage to the retail box, removed from the box, counterfeit labels/labelled by them, or any modifications of internal and external covers. Data loss or damages to any other equipment we do not cover by our offered warranty.

What is the Manufacturer/Brand Warranty?

In general, a manufacturer's warranty service/support is a written guarantee to the buyer of a product. Its terms assure the replacement or repair of the product, if necessary, within a specified period after the purchase (2-5 years depending on the brand/manufacturer). It is typically included in the price of the product. Products are brand new and sealed and the original manufacturer box is complete with the Manufacturer's genuine warranty. For most of the brand new/retail products that come with the manual and box, exceptions may apply (i.e., Cisco, Juniper Networks).

For the server parts (i.e., Dell, HPE) to get Full coverage of the warranty server must have a full 3- 5 years warranty. However, ALLHDD.COM will cover the warranty duration if any Manufacturer doesn't support the advertised warranty and there is no refund for those.
Final Sale items are non-returnable/refundable in any situation. Any question? please ask our team before the shipment.

Important notes:

We can provide additional warranty service/support for any product you purchase from us if you need additional warranty coverage before finalizing the order from ALLHDD.Com. You need to ask in live chat/help or call us for more information.

Individual product warranty mentioned on each item product description page/detail page.

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Shipping Options and Estimated Delivery Time

UPS Shipping Options:

FREE UPS® Ground (Free shipping to all orders for 48 states!)
Estimated delivery time: 4-7 business days

UPS 3 Day Select®
Estimated delivery time: 3 business days

UPS 2nd Day Air®
Estimated delivery time: 1-2 business days, Delivery by 10:30 AM or 2:00 PM

UPS Next Day Air® Standard Overnight
Estimated delivery time: Overnight 2-5 PM, Standard Overnight Delivery.

UPS Next Day Air® - Priority Overnight
Estimated delivery time: Overnight Delivery (Next Business Day) Delivery by 10:30 AM or 12:00 PM

UPS Next Day Air® First Overnight - Early A.M
Estimated delivery time: Overnight 8:00 AM, Early morning, overnight delivery for your time-critical shipments.

UPS® First Overnight - Saturday
Estimated delivery time: Overnight 8:30 AM – Saturday

FedEx Shipping Options:

FedEx Ground®
Estimated delivery time: (4–7 business days in the contiguous 48 states)
*For residential delivery via FedEx Ground use FedEx Home Delivery®
Estimated delivery time: 4−7 business days, based on the distance to the destination.

FedEx Express Saver®
Estimated delivery time: 3 business days (by 4:30 PM to U.S. businesses; by 8:00 PM to residences)
Available throughout all 50 states (except Hawaii and Alaska)

FedEx 2Day®
Estimated delivery time: 2 business days (by 4:30 PM to U.S. businesses; by 8:00 PM to residences)
Available throughout all 50 states

FedEx Standard Overnight®
Estimated delivery time: Next-business-day (by 4:30 PM to U.S. businesses and by 8:00 PM to residences)
Available throughout all 50 states (Hawaii is outbound only)

FedEx Priority Overnight®
Estimated delivery time: Next-business-day (by 10:30 PM to U.S. businesses, noon to most residences)
Available throughout all 50 states

FedEx First Overnight®
Estimated delivery time: Next-business-day (by 8:30 or 9 AM to most areas)
Available throughout all 50 states

Worldwide Shipping Options:

UPS®/FedEx® International Economy

Estimated delivery time: 4-7 business days

UPS®/FedEx® International Priority

Estimated delivery time: 2-4 business days

UPS®/FedEx® Ground Shipping Canada

Estimated delivery time: 5-8 business days

Important notes:

  • The processing of orders with Ground Shipping can take up to 24-48 hours. But we try to process all orders the same day.
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