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Reliable communication is vital to the success of your business. Whether you are relocating, upgrading your current system or have an outage, CSU can help. Our experienced staff will evaluate your requirements and recommend the most efficient and budget-friendly solution possible. We lead with the most flexible, reliable and easy-to-use phone system available, the ESI Communications Server. This fully flexible communications platform can support both digital telephony and IP-to-the-desktop in any desired combination.  ESI CLOUD based telephone systems and ESI SIP TRUNKING can save you time and money ask your sales rep how!


We also sell, service and support a variety of other products. Call us at 205-0155 and let us support you!

2518 Cathay Court, Tallahassee FL 32308, Fl. 32308 | Phone (850) 205-0155 | Fax (850) 205-0174
Mailing address: P.O. Box 12906 Tallahassee, FL 32317