"PK Telecom" can be used on thecompatibleAndroid phone sets to make VoIP calls using a serviceprovider. Itallows international voice calls over WiFi or 3G/4Gnetwork.Service provider who bundled this application with theirservicescan offer their customers to download PK Telecom Dialer.Afterinstall, user needs username and password. Please contactyourreseller to get access PIN.