Executive Telephone Systems

ESI ESTECH Phone Systems

ESI Communication Servers

Save money, increase flexibility and provide your business with a scalable, on-premises phone system from ESI. Our powerful ESI Communications Servers adapt to your business, and is able to grow as your business needs evolve. The ESI-50, ESI-100, ESI-200, or ESI-1000 can support a traditional business phone system, a fully standards-based IP telephony system, or a combination of both.

Ericson / iPECS Telephone Systems

ESI ESTECH Phone Systems

Today’s business demand multimedia communication and seamless connectivity, such as Video and Audio Conferencing, Online Meetings, Scheduling and Messaging. Some businesses choose digital phone service for the dependability and some VoIP for the flexibility, and some opt for a hybrid system that offers both. J.E.T.S. offers Ericson-LG iPECS communication servers to provide small, medium and large businesses with powerful, flexible, multimedia communication systems that will meet their strategic needs now and into the future.


"We are very pleased with our new ESI system. The transition was smooth [and] easy, and you provided excellent training to our staff. It has provided our staff with many time-saving features so that we can operate a more efficient practice. The system is very user-friendly." — Donna Stoma, Office Manager Psychiatric Associates & Dr. Bellah D. Lloyd, M.D. - Adult Psychiatry Shreveport, LA.