I sent them money back in early May 2015, and support is not responding to emails (they only have 2 email addresses listed). They are not reacting at all. Here is the text of my emails with links to the transaction sources.
"Hello,
I made a TOP-UP for the Beeline mobile phone number +79613****** through your service BACK IN EARLY MAY.
Transfer amount: 0.5 BTC
Transfer address: 1Ctb7beVMvpx8P9tkf8aGVUXvf6xcYwgST
Top-up number: +79613******
Top-up amount: 2975.00 rub.
The account has been fully paid by me.
I received more than 8 confirmations from the Bitcoin network.
The funds have NOT BEEN RECEIVED on the mobile phone."
I request that you look into this matter.
A link to the transaction screenshot is attached.
