I also got a call from this number, there was no voice mail, just this as a caller id. v12221525540013.

caller Id V12271113470025 - Didn't leave a message

same thing here. no message just a call.

I just hear a good bye all the time.

Yep.  Just annoying silence.  Well, I have added them to my phone hacker's reverse calling mechanical mayhem surprise.
And for a good time, check out waterboarding!  http://plonque.com/waterboarding  - franchising soon!