7 Alternative to skype

You know that skype was getting syncing problems with multiple devices and unable to fix that problem, people wants there messages sync from one to another device, to remember last conversation, but they are unable to do that on skype now a days.
so here i am giving you 7 alternative to skype to get conversation saved in lots of devices.

Google Voice
Vbuzzer
VoxOx 
Viber
8×8 Virtual Office Pro/Solo
ooVoo
FaceTime

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