ok my viber is doing this now my friend is not online since Friday and worried about him 
cus he drove home and said contact when is home and he did not contact me so i tried calling him twice today it rang for awhile said calling and after the ringing said call ended how can it be ended if they aren't online end the call
i did not end the call i don't know what ended it but it happened twice when i called is this a tech issue? has this happened to any other viber user on here what is going on here can someone tell me please thank you 
for any help you can give me
cus he drove home and said contact when is home and he did not contact me so i tried calling him twice today it rang for awhile said calling and after the ringing said call ended how can it be ended if they aren't online end the call i did not end the call i don't know what ended it but it happened twice when i called is this a tech issue? has this happened to any other viber user on here what is going on here can someone tell me please thank you for any help you can give me