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Looking for a Business Telephone System?

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System Special!

Vodavi XTS Phone System with Voicemail just $1895.


"We've been buying from Main Resource for 10 years now and have always received great looking equipment at a fair price. Main Resource is the first company we call when we are looking for refurbished Inter-Tel and Executone phone equipment." --Bill Green, Virginia Telecommunications, Richmond, Virginia.

More Comments Here.


Sell Your Used Telephones To Us

Sell your old phones

Have you replaced your old telehone system and now find yourself with no use for it? Why not turn that old system into cash?

Many vintage phone systems are still in use today, and yours may be worth a lot of money! Our business is refurbishing vintage equipment, so don't throw your old system in the landfill - sell your equipment to Main Resource!


Simply fill out the form below and a Main Resource purchasing agent will contact you.

Here is a listing of some of the equipment that we buy:

This link takes you to our Inter-tel information page. You can shop online or call us to order.
Follow this link to get to our Executone information page.
Click here to go to our Isoetec information page. Shop online or order by phone.
Follow this link for our Premier information page. Shop online or order by phone.
This link brings you to our Comdial information page. Shop online or call us to order.
This link brings you to our Toshiba information page. Shop online or call us to order.


Send us your equipment list today and turn that old system into cash!

You may use either:

  • The form below-just hit the "submit" button and your request is on its way,
  • A printable form (click here) which requires Adobe Acrobat (download here) that you can fax to: 909 593-1033,
  • A Word document to download and fill in on your computer and fax to 909 593-1033 or,
  • E-mail a list in your own format to:

We will review your equipment list and respond shortly.

Telephone Number*:
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Part Number/Description


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This link takes you to a simple form you can use to tell a friend about our great prices on used telephone equipment.

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Product Links:

Refurbished Comdial - Comdial phones, Comdial KSU, Comdial Cards
Refurbished Executone - Executone phones, Executone KSU, Executone Cards
Refurbished Inter-Tel - Inter-Tel phones, Inter-Tel KSU, Inter-Tel Cards, Inter-Tel Headsets
Refurbished Isoetec - Isoetec phones, Isoetec KSU, Isoetec Cards
Refurbished Premier - Premier phones, Premier KSU, Premier Cards
Refurbished Toshiba - Toshiba phones, Toshiba KSU, Toshiba Cards
Refurbished Vodavi - Vodavi phones, Vodavi KSU, Vodavi Cards
New Headsets - Inter-Tel, Plantronics

The registered trademarks of Executone, Isoetec, Inter-Tel, Vodavi, premier, Toshiba, Norstar and Comdial are used for the purpose of identification only. Main Resource, Inc is not affiliated with/or endorsed by these manufacturers. All refurbished items are fully covered by Main Resource's 1 year warranty. Authorized sales of OEM products will be covered by the OEMs expressed warranty.

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206 N. Towne Avenue
Pomona, California 91767
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