UNetCall is the world’s 1st cloud call solution which enables to do free roaming and could convert an android phone or iPhone into a Multi-SIM-Multi-Standby (MSMS) device. In fact you could utilize UNetCall to build up your personal virtual global call center at a relative low cost.

Features:
+Free roaming calls
+Convert an android phone or iPhone into a Multi-SIM-Multi-Standby(MSMS) device
+Select call & data plan separately to pursue cost reduction
+Appear Same with Normal Phone Calls
+Free Secured Best-in-Class Voice Quality Direct Calls Between UrCall Users
+No Ads