“We have had the pleasure of doing business with... TRI-STAR Telecommunications. The Greater San Diego Chamber of Commerce is pleased to report that all business has been conducted in a highly satisfactory manner. TRI-STAR Telecommunications has always been most helpful in providing information and advice about voice-processing and the applications here at the Greater San Diego Chamber of Commerce.”
-— Kenneth W. Valenti, Greater San Diego Chamber of Commerce

“I want to thank you for your help with my most recent dilemma of getting new lines into the office and my digital dictation system without having to incur the time and expense of very costly trenching. As usual, you provided the resources and information that solved the problem for me quickly and economically. I am very appreciative of all your help, and your follow-up calls to just see how things are going along in general.”
— Joanne Hayes, Medi-STAT, Inc.

Business Telephone Systems San Diego

Telephone Systems San Diego

TRI-STAR Telecommunications have been providing San Diego businesses with telephone systems since 1996. TRI-STAR uses only Avaya Certified technicians with more than 20 years experience and they are experts at installing and maintaining business telephone systems in San Diego and surrounding areas. TRI-STAR sales professionals are up-to-date and highly skilled at recommending and providing San Diego business telephone system clients with technical assistance and San Diego business telephone system advice for well over a decade. In that time, TRI-STAR has gained a reputation among VoIP San Diego clients as the "go to" company for expertise in sales of business telephone systems in San Diego, installation of business telephone systems in San Diego, upgrades to business telephone systems in San Diego, as well as maintenance and service. Our website is visited by hundreds of business telephone systems San Diego information requests every day.

TRI-STAR provides service and support on:

  • IP Office
  • Definity
  • Partner ACS
  • Communication Manager / AURA
  • Intuity Audix
  • Merlin Magix / Merlin Legend
  • Avaya Messaging (Octel 200, Octel 300, Octel 250 & Octel 350)

If you are looking for a phone system in San Diego or want to upgrade to a small office phone system in the San Diego area, you will not find a more technically qualified or service-oriented small business telephone systems provider than TRI-STAR in San Diego.

Office telephones and small office phone systems are TRI-STAR's major focus and we pride ourselves in providing our customers expert IP Telephone systems sales advice and service. We also provide used office telephone systems sales and service to San Diego clients. Give us a call today at 800-211-6200 and speak with one of our business telephone systems experts in the San Diego area.








TRI-STAR Telecommunications

4747 Morena Blvd., Suite 301
San Diego, CA 92117
Phone: 800-211-6200
Hours: 8 am to 5 pm PST Monday through Friday

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VoIP Technology
Unified Communications
Telephony Office-LinX


IP Office
Aura-Communication Manager
Circuit Packs
Definity Circuit Packs
Intuity Audix
Avaya Telephones

VMX 100 / VP 100



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