How to change caller ID number?

[Fazzl]

my friend has an iphone and he managed to call me using his phone but it showed up as a diff number from my phonebook. how is this done?

 

[Le Big Mac]

my friend has an iphone and he managed to call me using his phone but it showed up as a diff number from my phonebook. how is this done?

Either your phonebook is wrong or cingular has bad information. caller id info is generated by the service provider, not the phone.

 

[Fazzl]

we both have iphones. he asked me for my friends number then used his phone to call me and my friends number and pic etc showed up when HE called from HIS phone.

 

[gceo]

Did he have a spoofcard?

http://www.oreillynet.com/onlamp/blog/2007/06/iphone_users_att_cingular_voic.html