<!-- from fixya rte -->Check operator services nokia - Nokia 7210

http://www.nokia.com/us-en/?dcmpid=bmc-src-google.Brand

Go to Call Settings> Call barring and then change line 2 to line 1

Try master reset codes for your phone here http://www.prounlocking.com/nokia-dct-master-code-service/rs8wp10/ by the way you can reset the security code and change new

just check your email receiving option in your cell...
or check operator service.. this will definitely solve your problem pal... happy mailing....

it may be due to network lock,the provider does not lock your service completely you check it , you can unlock it using codes http://www.onlinegsmunlock.com/nokia-x6/rs7wp9/

My Nokia N8 comes up with
'check operator services' when i
try and make a call. please help?

at first you will check your msg centere number if it is correct then you will contact with your service provider

nokia 3120 low network

What is the operating frequency of your mum's phone? Is it a dual band or a tri-band? Maybe the operating frequency of her (Australian) phone is not the one existing in Paris. Check the manual's specs vs. the carrier service's operating frequency.

go to phone settings and open the menu on cell info