GIMI is the tool which can communicate between any two regions in the world. It is very convenient to make call or message among users by GIMI. The GIMI users can also make call to telephone or cellphone users by GIMI conveniently.
GIMI has very excellent voice quality control, it supports various decoders ,such as GSM , G728 etc.
It is free of charge to make call or message between GIMI app.