Quote:
Originally Posted by hrgajek
It's switched off per default. "call" *121*# for switching it to "on".
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Going a bit of the subject of this thread the new CallBlue GSM SIM card uses Jersey Telecom's base just as does United Mobile's Plus +44 SIM card does.
*121*# Enables Caller ID on United Mobile but on CallBlue GSM this shows your balance
Just the reason i say is when CallKey did work, 125, 133, 187 etc.. did they same thing weather you used GT-SIM, 0044, FreeGlobalSIM, Cherry Mobile, MeSIM, old CallBlue GSM, old Yackie Mobile, etc..