Switching to voice mail in the event of a dropped call

Telecommunications – Radiotelephone system – Message storage or retrieval

Reexamination Certificate

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Details

C455S423000, C455S445000

Reexamination Certificate

active

07315737

ABSTRACT:
A method and apparatus for enabling a party using a telephony device who is in communication with a mobile device of a wireless network user to leave a voice mail for the mobile device user in the event that the user's mobile device is dropped during a call between said party and said mobile device user. Voice message processing circuitry in communication with cell equipment of a wireless network determines whether the user's mobile device has been dropped during a call between the mobile device user and another party. If a determination that the user's mobile device has been dropped during the call, the other party's telephony device is automatically connected to a voice mail system associated with the dropped mobile device user so that the party can leave a voice mail message for the dropped mobile device user.

REFERENCES:
patent: 5995830 (1999-11-01), Amin et al.
patent: 6311057 (2001-10-01), Barvesten
patent: 6418307 (2002-07-01), Amin
patent: 6584316 (2003-06-01), Akhteruzzaman et al.

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