Estech Systems, Inc.

ESI Ditto mirrors the functionality of your ESI desk phone right on your Android tablet or smartphone, allowing those on-the-go to make and receive bu …

ESI's IP900 Mobile turns your Android tablet or smartphone into an extension on your IP Server 900 phone system, allowing those on-the-go to make …

It can be a challenge to track billable hours, especially time spent on your office phone. Sticky notes and scraps of paper take hours to reconcile, w …