| 摘要 |
A method of preserving or gracefully concluding wireless calls that are dropped when service is interrupted in a wireless communication system ( 100 ) (e.g., due to poor RF coverage). When a mobile unit ( 108 ) encounters a service interruption during a call, an announcement ( 208 ) is played inviting remaining participating unit(s) to hold. After a predetermined waiting time ( 210, 216 ), if service is not re-established to the mobile unit, the remaining unit(s) are invited ( 218 ) to leave a message (e.g., voice mail) for the mobile unit and connected ( 220 ) to a messaging system ( 126 ). After message(s) are concluded, the call is ended ( 226 ) or optionally, lo continued ( 206 ) if there is more than one remaining unit. If service is recovered before the waiting time expires, a service recovery announcement is provided ( 214 ) to the remaining unit(s) and the call continues ( 206 ).
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