Method of voice mail notification for cellular telephone systems

Details Method of voice mail notification for cellular telephone systems Method of voice mail notification for cellular telephone systems

1990-10-18

1993-01-05

Dwyer, James L.

Telephonic communications

Having light wave or ultrasonic link for speech or paging...

Including fiber optic link within telephone network

379 58, 379 63, 379 88, 379 89, 379201, H04M 1100, H04M 164, H04M 342

Patent

active

051777800

ABSTRACT:
A voice mail notification arrangement provides an audible notification to a mobile radiotelephone subscriber that one or more incoming calls have been redirected to the subscriber's mailbox.
An unanswered incoming call is directed to the voice mail system which stores the calling party's voice message. A flag is set in a feature data base which includes this feature for the called subscriber. When the subscriber subsequently originates a call from their cellular mobile radiotelephone, or answers any incoming call, an audible notification (e.g., a burst of special tone) is provided, via the speaker of the mobile radiotelephone handset, to alert the subscriber at the outset of an active call that there are one or more voice messages in his/her voice mailbox. The flag is cleared when the voice messages are retrieved or upon the first call originated by the mobile subscriber, depending upon the mode of operation active in the subscriber's system.

REFERENCES:
patent: 4221933 (1980-09-01), Cornell et al.
patent: 4893335 (1990-01-01), Fuller et al.
patent: 4964156 (1990-10-01), Blair

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