Centex Telecom Services Inc. began by primarily servicing Siemens' ROLM PBX systems and then expanded to include ESI IVX telephone systems, which have the latest VOIP technology. Norstar, and Lucent/Avaya systems, and voice and data cabling are also part of our product and service line. Our telephone system services range from full service maintenance agreements, to service requests based on an immediate need for a new telephone jack, the addition of extensions, data and voice cabling, etc. We also provide a two-hour response time for any major outage. Our service area consists of Austin, San Antonio, Round Rock, Georgetown, San Marcos, Kyle, Dripping Springs, Bastrop and other Central Texas areas.