Cannot make calls

[aydin1]

I can not make calls with my Xperia L

[Thommo]

The obvious question is do you have credit on your account or is your network experiencing issues

[aydin1]

Yes I have
All of the sudden it happens
Just I see call ended

[Thommo]

Try performing a system repair using PC Companion as this will often fix issues - This will factory reset your phone and erase all data so best to backup before you begin

Switch off your phone and unplug from Pc (Hold volume up and power for around 10 seconds)
Start PC Companion and select Support zone then Update my phone/tablet then in Blue Repair my phone/tablet and follow the on screen instructions - When prompted connect your phone still switched off holding volume down or back button - This should start the repair or reformat process

If you are using Windows 8/8.1 or a 64bit operating system then adjust the settings for PC Companion and run in compatibility mode and chose Windows 7 or XP

[Uliwooly]

@aydin1

What if you try the basic? turn off the phone > remove the SIM card > insert the SIM card > turn on the phone 

or boot on safe mode 

or get a new SIM card 

or repair the phone with PCC