O2 XDA ORBIT network problem

[ajaysehgal]

hi ,

i have a O2 xda orbit in it network is showing properly but when we r trying to make call its shows ``CALL END`` and when make call on it from another then its shown ``NOT REACHABLE`` any one have solve this problem... plz. suggest.

Thanks

[Zecanilis]

What is your Radio version?
And ROM version?