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Cisco Systems, Inc. > 
Item#: 9SIA36Z1VA8069

Cisco Small Business SPA504G 4 Line IP Phone With Display, PoE and PC Port

  • 2 100baseT RJ-45 Ethernet Ports (IEEE 802.3, including 802.3af)
  • Handset: RJ-9 Connector
  • Built-in Speakerphone and Microphone, Headset 2.5 mm Port
  • Wired VoIP
  • Requires a PoE Switch, No Power Supply

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  • Overview
  • Specifications
  • Warranty & Returns
  • Reviews

Features:

• For business or home office use
• Full-featured 4-line business-class IP phone supporting Power over Ethernet (PoE)
• Monochrome backlit display for ease of use, aesthetics, and on-screen applications
• Connects directly to an Internet telephone service provider or to an IP private branch exchange (PBX)
• Dual switched Ethernet ports for connecting a computer behind the phone, reducing cabling costs
• Wideband audio for unsurpassed voice clarity and enhanced speaker quality
• Easy installation and highly secure remote provisioning, as well as menu-based and web-based configuration
• Supports up to two Cisco® SPA500S Expansion Module, adding up to 64 additional buttons*
• Supports both Session Initiation Protocol (SIP) and Smart Phone Control Protocol (SPCP) with the Cisco Unified Communications 500 Series for Small Business


Learn more about the Cisco Systems, Inc. SPA504G

Warranty, Returns, And Additional Information
  • Warranty
  • Limited Warranty period (parts): 1 year
  • Limited Warranty period (labor): 1 year
  • Read full details

Customer Reviews of the Cisco Systems, Inc. SPA504G

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  • Shane S.
  • 2/18/2015 11:45:21 AM
  • Ownership: 1 week to 1 month
  • Verified Owner

4 out of 5 eggsWhat a real VOIP phone looks like!

Pros: We made the mistake of purchasing lower valued phones made by others on auction sites, and provided by our phone service. I finally got fed up and went looking for a real phone that didn't break the bank.

Enter the Cisco 504, and man are they great! I ordered 4 of them and I'll be ordering more!

You really do get what you pay for when it comes to this situation, and it cost me a lot figuring that out.

Cons: I don't like the fact that you have to order a separate power cord for the phone if you don't use a PoE injector. Hence the 1 egg deduction. I feel that the phone requires power, so it should come with an included power cord.

Other Thoughts: Overall, the product and functions are sound, and perfect for a small business using services like RingCentral or Vocalocity.

Did you find this review helpful? Yes No

  • Stephen B.
  • 9/25/2013 4:52:34 PM
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsLove Cisco hardware! :))

Pros: Quality build. Sturdy. Highly configurable. Easy to setup and use with Asterisk or other SIP providers. Support VLAN and it works!

Cons: None so far. I hope they LAST.

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  • Daryl M.
  • 8/14/2013 1:45:43 PM
  • Ownership: more than 1 year
  • Verified Owner

5 out of 5 eggsExcellent quality and great value

Pros: Cisco is certainly a well known brand with a very good reputation. However, these devices certainly prove out that pedigree. They have proven to be very reliable, and work great. I've been using them with 3CX software on a Windows Server and they have been flawless. Any issues I've encountered are simply due to the nature of VoIP and not a flaw of this device. They have a great balance of options and are reasonably priced. They have an awesome built in speakerphone which works great! I like the fact that is also has a built in headset jack which can be controlled independently - just have to find a 2.5mm headset that you like to use with it.

Cons: While it does not come with a compatible power adapter, it is understandable since this is a device that is compatible with PoE for those who choose that option. Otherwise if you are not using PoE, then be sure to also order the Cisco PA100-NA adapter to go with it. The only real CON with this device has been that if you use the pass through Ethernet adapter (i.e. you put it inline with your desktop PC on your desk), then anytime you must reboot this phone, then the Ethernet connection will temporarily drop out until the phone reboots (about 45 seconds for me).

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  • Anonymous
  • 6/6/2012 10:14:15 PM
  • Ownership: more than 1 year
  • Verified Owner

5 out of 5 eggsWorks great with asterisk

Pros: We have been using several of these phones for well over a year and have yet to see any problems!

Cons: None..

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  • Anonymous
  • 4/1/2011 7:23:36 PM
  • Ownership: 1 month to 1 year
  • Verified Owner

4 out of 5 eggsWorks good - no power supply

Pros: Easy setup - nice phone - good value for the price

Cons: No power supply
No VPN

Manufacturer Response:

Hi Hamar,

Thank you for your positive comments!

Diana
Cisco Small Business Team

1 out of 1 people found this review helpful. Did you? Yes No

  • Robert M.
  • 1/12/2011 11:07:48 AM
  • Ownership: 1 week to 1 month
  • Verified Owner

5 out of 5 eggsExcellent VoIP Phone

Pros: Easy to configure.
Speakerphone is excellent!
SPA5XX series are known for speakerphone performance.
PoE works flawlessly.
The phone just works as you would expect!

Cons: Making configuration changes requires phone to reboot.
You can how ever make several changes spanning multiple screens and apply the changes after you are done which will reboot the phone.
This also effects the ethernet port used for connectivity for other devices like your computer if you are using the ethernet port on the phone.

Other Thoughts: Previous user complained that phone did not come with power adapter. This is common place for PoE devices.

Power adapter for this phone is listed under LinkSys here. You are looking for the PA100-NA if you do not have a PoE source.

4 out of 4 people found this review helpful. Did you? Yes No

  • Anonymous
  • 1/7/2011 10:05:46 PM
  • Ownership: 1 month to 1 year
  • Verified Owner

4 out of 5 eggsworks good

Pros: works good, multi channel

Cons: power adapter is not included. You will have to buy it seperatly

Other Thoughts: No VPN support

2 out of 2 people found this review helpful. Did you? Yes No

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