System and method for long distance dispatch calling...

Details System and method for long distance dispatch calling... System and method for long distance dispatch calling...

2005-07-29

2008-10-14

Appiah, Charles N (Department: 2617)

Telecommunications

Transmitter and receiver at separate stations

Plural transmitters or receivers

C455S414100, C455S415000, C455S417000, C455S519000, C455S090200, C379S210010, C379S210020

Reexamination Certificate

active

07437171

ABSTRACT:
A method and system for long distance dispatch calling restrictions are provided. A user who does not subscribe to long distance dispatch services can make a long distance dispatch call to the originator of the last received dispatch call within a predetermined period of time of the last received dispatch call. If an amount of time equal to or greater than the predetermined period of time has elapsed since the last received dispatch call, then the long distance dispatch call is rejected.

REFERENCES:
patent: 5491835 (1996-02-01), Sasuta et al.
patent: 6208872 (2001-03-01), Schmidt
patent: 6937856 (2005-08-01), Baudino et al.
patent: 6937873 (2005-08-01), Levy et al.
patent: 2001/0018342 (2001-08-01), Vialen et al.
patent: 2004/0192367 (2004-09-01), Barros et al.
patent: 2004/0209650 (2004-10-01), Pearce
patent: 2004/0219925 (2004-11-01), Ahya et al.

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