San Diego Network Cabling, Telephone System Installer and Data Cabling Services
Del Mar Network Cabling, Telephone System Installer and Data Cabling Services
Del Mar Network Cabling, Telephone System Installer and Data Cabling Services
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Located in San Diego servicing San Diego, Carlsbad, Del Mar and surrounding areas

Welcome to TELESYSTEMS Business and Residential Telephone Solutions

Telesystems has been in business since 1984. A licensed low voltage contractor that can provide customers with quality Structured Cabling or Wiring Network installations for Telephone, CAT5E and CAT6 Data networks, and CATV RG6 Coax cable TV cabling for both Residential and Commercial Business applications.

If you need telephone line installation, structured cabling for data and voice, dial tone activation, repair, Demarc extensions, cross connects, troubleshooting, custom residential wiring, system upgrades, programming, adds , moves and changes – Telesystems can handle all your Voice, TV and Data cabling needs, usually within 1–2 days.

Whether it is as simple as adding a line or a jack, or cabling your entire suite or building, Telesystems can help. Do you need to install DSL or T-1? Are you switching providers and need a cutover or tie down at the MPOE? ("Minimum point of entry") Do you need a TV mounted to your wall, inside or outside?


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Our specialty is installing all your communications wiring inside your walls. Telesystems has extensive experience in Business and Residential telephone cabling and systems. We also install Data jacks, Patch Panels and TV outlets. We can help you order business telephone lines and install them into your suite or home. 37 years of experience, Licensed, Insured. We cover San Diego County.

Whether you need inside wiring such as one CAT3 telephone cable run, or many CAT5E or CAT6 Data cables including 4 pair through 25 pair cables run, we can do the job for your project.

We have experience in Avaya, Comdial, Executone, Inter-Tel, Lucent, Macrotel, Merlin, Mitel, NEC, Nitsuko, Nortel, Panasonic, Partner, Samsung, Siemens, Spirit, Toshiba, Tie, Vodavi, and other systems.

Calfornia C-7, License # 807261



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We want you to be able to reach us in whatever way is most convenient for you. We’re available during regular business hours via the following methods below. Click the button below to contact us now!

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Great Service!! Our office has used their services on three occasions to helped us with phone and data work runs and connections. Reliable and Efficient! Thank you Mark 🙂

- Allan Candelore

Installer and he gets it done fast

- Jamie Lacroix

We converted our voice and data to a T1 service in both San Diego and Vista. Mark handled both locations very professionally. He even handled things we hadn't anticipated. His price was very reasonable. We're very pleased with his work and would call on him again.

- Bob Brooks

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