call log shows unknown for a dialled number

[nikkhil]

when i dial a new number which id not in my contact list from my xperia z it shows as unknown in the call log. when i touch it to call again it does not show the number also. please help me as to how i can resolve the issue.

[Kibarov]

No

[_alexdon_]

Do this:Try your SIM in other phone,see how it goes.Also,try other SIM in your phone.If still having problems,visit a sony service:

http://www.sonymobile.com/global-en/support/contact-us/