AT&T Enhanced PTT – Sonim XP7

Enhanced PTT (EPTT) is AT&T’s advanced solution for mobile Push-to-Talk communications. Download this app on your Sonim XP7 device and sign up for a monthly service subscription to get lightning-fast one-to-one or group Push To Talk calling across AT&T’s nationwide 4G and 3G coverage areas PLUS on compatible Wi-Fi networks. Enhanced PTT also supports high-end PTT features including fast call setup times, large contact lists and talk groups, and presence indicators for PTT contacts. For more information visit www.att.com/eptt