SmartVolte

Smart VoLTE is a communication solution application for
Smartfren subscriber that allow Smartfren subscriber able to enjoy
Smartfren full services on Android 4G LTE Open Market Devices (OMH)
that does not support VoLTE,

services such as Voice Call, Video Call, Voice Call Conference (up to 6 participants)
and Video Call Conference (up to 6 participants),SMS, USSI (USSD)
and Voice Conference can be enjoy through this application.

Prerequisite to use smartVoLTE application is that you are Smartfren user

with Smartfren USIM Card and compatible with Smartfren Networks.

Device with Native VoLTE dialer should not use Smart VoLTE application

since Native dialer will have intermittent conflict issues with this app.

For dual SIM devices, please put Smartfren USIM Card in slot 1 instead of slot 2

and make Smartfren Data Services as default Data Connection.