Invention Grant
US09161191B2 Network based missed call notification 有权
基于网络的未接来电通知

Network based missed call notification
Abstract:
A device is configured to detect that a user device has failed to receive a call attempt for a call intended for the user device and from a calling party, and determine, based on the detection, that the calling party has not left a voicemail message associated with the call. The device is configured to store missed call information, associated with the call, and send a first missed call notification to the user device, where the first missed call notification includes the missed call information. The device is configured to detect that the user device has not received the first missed call notification, and send a second missed call notification to the user device, where the second missed call notification includes the missed call information.
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