Telesystems has over 25 years of experience installing telephone and cabling systems for Business and Residential customers. They also install data jacks, patch panels and TV outlets. Extensive experience with Avaya, Lucent Partner, NorTel, Inter-Tel, Mitel, Samsung, Nitsuko, Panasonic, Merlin, Toshiba, Tie, Spirit, NEC and most other systems. Telesystems is licensed, insured and serves all of San Diego County.