Cisco SPA504G 4 Lines VoIP Phone
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Cisco SPA504G SPA 504G VOIP Phone 4 Lines Charcoal IP New

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Part Number#: SPA504G
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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 | New Factory Sealed
Product Condition:
New Retail Factory Sealed
Warranty provided by ALLHDD.COM:
90 Days

Overview of the Cisco SPA504G 4 Lines Charcoal VOIP Phone

The Cisco SPA504G is a Small Business 4 Line Charcoal IP Display Speakerphone designed for businesses looking to adopt Voice-over Internet Protocol VoIP technology for their communication needs. It is a versatile and feature-rich IP phone that can greatly enhance your business's communication capabilities. The Cisco SPA504G is a small business IP phone that offers a wide range of features and capabilities, making it an excellent choice for small and medium-sized businesses.

Key Features of Cisco SPA504G

Let's take a closer look at the key features of this IP phone:

Four Lines and Multifunctional

The Cisco SPA504G supports up to four lines, which means you can have multiple calls simultaneously. This is particularly useful for businesses that require efficient call management and multitasking. The phone also offers programmable buttons that can be customized for different functions, providing you with quick access to frequently used features. The Cisco SPA504G supports up to four lines, allowing users to handle multiple calls simultaneously. This is especially valuable for businesses with high call volumes or multiple departments.

Integrated Ethernet Switch

This IP phone comes with an integrated Ethernet switch, which allows you to connect both your phone and computer to a single network cable. This simplifies your network infrastructure and reduces the need for additional wiring, saving you time and money.

High-Quality Speakerphone

One of the standout features of this phone is its high-quality speakerphone. It allows for clear and hands-free communication, making it suitable for conference calls or discussions with multiple participants. The built-in speakerphone ensures that everyone in the room can be heard without the need for additional equipment. The phone features a high-quality speakerphone and wideband audio support, ensuring crystal-clear voice quality during calls. This is essential for effective communication in business.

VoIP Technology

The Cisco SPA504G is an IP phone, which means it utilizes VoIP technology to make and receive calls. VoIP offers numerous advantages, including cost savings, improved call quality, and flexibility. It allows you to make calls over the Internet, eliminating the need for traditional landlines.

High-Resolution Display

The phone features a large, high-resolution display that provides an easy-to-read interface for accessing various phone functions, call logs, and contact information. This user-friendly display ensures that you can navigate the phone's features with ease. The Cisco SPA504G is equipped with a large monochrome display that provides easy access to call information, directory listings, and more. It enhances the user experience by providing clear and easy-to-read information.

Power over Ethernet (PoE)

The Cisco SPA504G supports Power over Ethernet (PoE), which means it can receive power through the network cable, eliminating the need for a separate power adapter. This simplifies installation and reduces cable clutter on your desk.

Wide Compatibility

It's important to note that this IP phone is compatible with a wide range of VoIP platforms and services, ensuring that it can integrate seamlessly into your existing communication setup. Whether you use Cisco's own VoIP solutions or a third-party service, the SPA504G is likely to work with it.

Security Features

Security is a significant concern in business communications. The Cisco SPA504G offers various security features, including encryption, password-protected system settings, and secure remote provisioning, to protect your communication infrastructure from potential threats. Security is a top priority, especially in business communication. The SPA504G supports advanced security features such as a virtual private network (VPN) and secure voice communication, ensuring that your calls and data remain private and protected.

Benefits of Using the Cisco SPA504G

Now that we've explored its key features, let's dive into the benefits of using the Cisco SPA504G IP phone for your small business.

Improved Communication Efficiency

The Cisco SPA504G's support for multiple lines and programmable buttons enhances communication efficiency. You can easily manage and switch between multiple calls, helping your employees be more productive. Additionally, the integrated speakerphone is ideal for conference calls, reducing the need for external conferencing equipment.

Energy Efficiency

With Power over Ethernet (PoE) support, the SPA504G is not only environmentally friendly but also cost-effective. It eliminates the need for separate power adapters, reducing energy consumption.

Improved Productivity

The large monochrome display and easy-to-use interface enhance productivity. Users can quickly access call information, contacts, and other features, making it easier to manage calls and multitask.

Simplified Network Infrastructure

The integrated Ethernet switch and Power over Ethernet (PoE) capability simplify your network infrastructure. You only need one network cable to connect the phone and your computer, reducing cable clutter and making your workspace neater and more organized.

Enhanced Security

Security is a top priority for businesses, and the Cisco SPA504G addresses this concern with its security features. With encryption, password protection, and secure remote provisioning, your communication infrastructure is better protected from potential threats.

Enhanced Productivity

The speakerphone functionality of the Cisco SPA504G is a productivity booster. It allows you to participate in conference calls or meetings without the need to hold the handset, freeing up your hands to take notes or work on a computer. This feature can help you make the most of your time during calls and meetings.

High Performance

The SPA504G Cisco 4 Lines Small Business IP Phone is a high-performance communication device designed for use in small businesses. It features four lines, a high-resolution graphical display, and a range of advanced features such as call forwarding, conference calling, and voicemail.

One of the key features of the model is its compatibility with a wide range of IP-based communication systems. It is compatible with Cisco Unified Communications Manager and Cisco Hosted Collaboration Solution, as well as other SIP-based phone systems. This allows it to be easily integrated into a variety of business environments.

In terms of performance, the product is designed to deliver clear and reliable audio quality, with support for wideband audio and noise-cancelling technology. It also includes a range of connectivity options, including Ethernet, USB, and Bluetooth, allowing it to be easily connected to a variety of devices.

High Reliability

The SPA504G Cisco 4 Lines Small Business IP Phone is a reliable and feature-rich phone designed for use in small business environments. It is equipped with four lines, a backlit display, and a variety of calling features such as call waiting, call forwarding, and voicemail.

One of the key features of the product is its reliability. It is designed to operate smoothly and consistently, even in environments where there may be fluctuating network conditions or interference. The phone also includes a durable metal chassis and a built-in amplifier, which helps to ensure that calls are clear and free from background noise.

In terms of hardware, the model is equipped with a redundant power supply and a variety of connectivity options, including Ethernet and USB ports. This allows it to be easily integrated into a small business network and ensures that it is always available for use.

Benefits of VoIP

  • Cost-Effective: VoIP systems are often more affordable than traditional landlines, as they eliminate the need for a dedicated phone line.
  • Scalability: VoIP can easily adapt to the growing needs of a business, allowing you to add or remove phone lines without the hassle of physical installations.
  • Versatility: VoIP offers a range of features like call forwarding, voicemail, and conferencing that enhance communication.
  • Mobility: VoIP allows employees to make and receive calls from any location with an internet connection.

General Information about this Cisco SPA504G

  • Manufacturer: Cisco
  • Part Number or SKU# SPA504G
  • Product Series: 500
  • Product Model: SPA 504G
  • Product Type: 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, 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


  • 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

In summary, the Cisco SPA504G Small Business 4 Line Charcoal IP Display Speakerphone is a valuable addition to any small business looking to enhance its communication capabilities. Its numerous features, cost savings, user-friendly design, and scalability make it a versatile choice for various business environments.

Whether you're running a small business office, a home office, a retail store, or a small call center, the Cisco SPA504G can streamline your communication and collaboration efforts. Its ease of setup and troubleshooting tips ensure that you can start enjoying its benefits without unnecessary hassles.

Consider incorporating the Cisco SPA504G into your business communication strategy to take advantage of its many benefits, improve efficiency, and ultimately provide better service to your customers. With its wide compatibility and security features, it's a reliable and future-proof solution for your small business's communication needs.

Product Condition:
New Retail Factory Sealed
Warranty provided by ALLHDD.COM:
90 Days

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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.

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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).

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