ESI-Link  ESIís exciting new Esi-Link (ďeasy-linkĒ) technology helps you unite your team members, whether theyíre a street, a city or a country apart. Esi-Link uses your WAN or the Internet to join together up to 100 compatible ESI phone systems ó IVX 128 Plus, IP 200 or IP 40 ó into one interconnected, IP-based system. While ESI isnít the first company to offer a multi-site solution, it is the first to offer one that unites the many advantages of multi-site communications with the unique, high-performance features of ESI phone systems. 
ESI IP Series  - Network-based telephony using VoIP - thatís voice over Internet Protocol (IP) ó is where the future of telephony lies. But, before, VoIP meant settling for fewer phone features than on a traditional system. Now, ESIís changing all that forever.
ESI IVX-20 -
The
IVX 20 all-in-one digital phone systems is an easy choice for the small business owner over other phone systems. Its ease of use and feature-richness reduces staff frustrations, increases productivity and enhances your corporate image. And IVXís unique integration provides call processing efficiency and cost savings previously impossible.
ESI IVX-128 -  IVX all-in-one digital phone systems is an easy choice over other phone systems. Its ease of use and feature-richness reduces staff frustrations, increases productivity and enhances your corporate image. And IVXís unique integration provides call processing efficiency and cost savings previously impossible.

 
 
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