AT&T User Guide

AT&T EPTT SERVICES

Sonim supports Virtual Pre-Load (VPL) mechanism which

is also known as Stub to install the EPTT application.

Enhanced Push-To-Talk (EPTT) requires a subscription to

work. Additional charges may apply. Contact your AT&T

representative for more information about AT&T EPTT.

LAUNCHING EPTT APPLICATION

To launch the Enhanced PTT application, click on the

AT&T EPTT icon ( ) from Home/Application screen.

For more information on AT&T EPTT, refer to the link:

https://www.business.att.com/solutions/Family/

mobility-services/eld-management/.