Patent ID: 7079837

Claim:
A method of capturing and delivering caller identification information to a wireless telephone for calls placed to the wireless telephone during periods in which the wireless telephone is out of service, the method comprising: receiving a call from a calling party directed to the wireless telephone; obtaining caller identification information on the calling party from one of a caller name database if the calling parting is calling from a wire line and the caller name database or a home location register if the calling parting is calling from a wireless line; determining whether the wireless telephone is registered to receive calls; if the wireless telephone is not registered to receive calls, storing the caller identification information and checking the registration status of the wireless telephone at a regular frequency until the status indicates that the wireless telephone is registered to receive calls, the caller identification information being stored in one of a service control point and the home location register; and if the wireless telephone becomes registered to receive calls and if it is determined, based on the wireless telephone model, that the wireless telephone is capable of receiving a missing call message directing a user to a missing call log, forwarding the stored caller identification information to the wireless telephone for storage in the missed call log on the wireless telephone, wherein the missed call log is operative to store the caller identification information corresponding to calls received but not answered while the wireless telephone is registered to receive calls, and the caller identification information corresponding to calls received while the wireless telephone is not registered to receive calls.