D DanPeter New member Feb 8, 2011 #1 Why do some car navigation read the proper caller ID from the iPhone 4 while mine (sony) will not give the proper caller ID (reading as "Withheld") Other phones work fine with my caller ID. Previous versions of iPhone read it well.
Why do some car navigation read the proper caller ID from the iPhone 4 while mine (sony) will not give the proper caller ID (reading as "Withheld") Other phones work fine with my caller ID. Previous versions of iPhone read it well.