MTalk and VoIP on smartphone

MTalk for Android

• Mtalk supports Bluetooth?
• How can I activate my Free Minutes?
• How much data do Mtalk calls consume?
• Application crash
• Poor quality, disturbed or no audio
• Error message "wrong credentials" on Android MTalk

MTalk for iPhone and iPad

• Why my iOS device does not ring on incoming calls ?
• Is Mtalk really free?
• Can I use MTalk abroad?
• Connection quality indicator - overview
• How can I activate my Free Minutes?
• I did not receive the validation email

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VoIP on Windows Phone

• Linphone
• Messagenet and Windows Phone