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Vivek Here From India
I have the probelm in the Iphone 4 Mobile. Before 5 days i switch over the Aircel connection to Vodafone network. After changing the new sim-card, the phone showing all incoming call "Unknown", Even all contact already available in the Phone contact list.Let me know how to solve this issue?
This means that your account is not provisioned for caller ID. Contact Vodafone and have them add it to your account. The cellular carrier must send the calling number to your phone so the phone can look up the number in your contacts. That is not happening.
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