can't make voice calls after CM10. 1. Rom. install

[roire]

I installed CM10. 1 Rom and everything is working besides
The voice calls.
Under settings -- about ... The phone number
Appear " unknown ".
I installed different Rom and the voice call works on all
The other Roms ....

Please help .... I like the CM Rom and would like to use it.

My HOX Is international version.