Phone Systems

ESI Phone Systems

ESI Phone Systems

ESI VoIP and Digital Phone Systems
VoIP & Digital Business Phone Systems
ESI (Estech Systems, Inc.) design, manufactures and markets advanced, highly featured business comm. systems. Progressive vision, leading-edge technology, legendary reliability and award-winning products define ESI. Since its inception in 1987, ESI - a privately held corporation based in Plano, Texas - has shipped over 200,000 systems, and has enjoyed remarkable growth and uninterrupted and profitability. The ESI Phone system has been well recognized by telecommunications industry leaders and awarded multiple kudos for the advances made to is product line of ESI telephone systems and peripherals. The ESI telephone system comes complete with extremely user-friendly ESI telephones.

ESI Systems & Products

ESI Phone Systems & Products for Business
All ESI phone systems deliver inventive and practical functions such as live call recording, live call screening, and the Verbal User Guide.

Tel-Star also sells & services the following systems:

  • Norstar
  • Nortel Option Switches
  • Toshiba
  • Avaya
  • Panasonic
  • Mitel
  • Partner
  • NEC
  • Vodavi