offer the highest quality of Business Telephone Systems, Voice Mail, Equipment and Personal Customer Service on the market today. We service the communities of Orange County being...California Telephone Systems, Inc. Welcome to the California Telephone Systems Family. We are a family run business with our Technicians averaging over 20 years experience. We... centrally located in Mission Viejo. The majority of our customers are by referrals since we are very dependable and knowledgeable. Here at California Telephone Systems, we strive...

California Telephone Systems, Inc. California Telephones Systems Mission Viejo, CA 92691 Phone: (949) 581-2995 Our Featured System The Avaya Partner Advanced Communications System... and Customer Service- Get the 24/7 communications support that sets your company apart, along with tools to make every customer feel like your most important customer. Choices... Over 1 million Businesses have chosen to use the Avaya Partner Advanced Communications System (ACS). Find out how ACS can add value to your business: Professionalism Efficiency...