Ok i got a new 3g iphone and its simfree so i use my cyta sim in my 3g iphone! now i backed up everything from my old regular iphone into itunes and than put it all onto my new 3g phone! the problem is any contact i had which was added by itunes does not get caller ID but if i add a new contact manually it works fine! Please help! thank you
p.s i know there are alot of cypriots here too so if you solved the problem let me know thank you

There are a few thread about this. Did you try the search function?

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Yes i searched the other threads were different my 3g iphone is not jailbroken, its unlocked from apple! thank you

If you dont jailbreak it you cant do anything about it. If you read the threads here it is in
/System/Library/PrivateFrameworks/AppSupport.framework/PhoneNumberTemplates.plist
and
/System/Library/Frameworks/UIKit.framework/PhoneFormats/UIPhoneFormats.plist

and has to be edited to meet your needs. For that you'd have to jailbreak your iPhone 3G (as I did, see my signature) and check the forum for a solution fo Cyprus.

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iPhone 3G int. unlocked (2.2; jailbroken with Quickpwn 2.2, SSH, Installer, Cydia) 16 GB
iPhone (2.2; PwnageTool 2.2) 16 GB
iPhone (2.2; Quickpwn 2.2) 8 GB
Mac OS X 10.5.5 / iTunes 8.0.2
Windows XP SP3 / iTunes 8.0.2

I'm also in Cyprus.

I had the problem of caller ID not working on a non-jailbroken 3G.

The only way I could get it working was to select UK in the International formatting settings, which has an 11 digit number length.

I then added +357 to all my contact numbers.

ie +357 99****** making it 11 digits long and my caller ID works :-)

Regards

Jason

deakujin,
did you fix the problem?
Are you using Mobile Me?

Does this work on 2.1 (which I see you have)?
I was under the impression one of these files has been changed to some binary format.
I've tried to use CallerID Fix package from installer, but it did not help.

Any ideas?

I have the same problem, I am in Saudi Arabia, My 3G phone is jailbreaked using quickpwn and my v. is 2.1

any help please?

Guys, so the only way to fix your problem is to jailbrake your iPhone and to install latest CallerID Fix Collection.
I suggest to use quickpwn since is faster and then you can find the fix in both Cydia and Installer!

I just fixed mine one hour ago!
It is so good when you see who is calling!

version 1.1.0 didn't work in Israel.

Meantime HebDev team (which provides free hebrew support) released the 2.1 version which also solves this.