Telephonic communications – Audio message storage – retrieval – or synthesis
Patent
1994-06-13
1995-07-04
Kuntz, Curtis
Telephonic communications
Audio message storage, retrieval, or synthesis
379 59, 379 60, 455 331, H04Q 722, H04M 1100
Patent
active
054307902
ABSTRACT:
The present invention relates to a method and apparatus for enabling RT subscribers (15, 25 and 35), in radio service areas (1, 2 and 3) serviced by a radio telephone control system (11, 21 and 31) (RTCS), to receive calls originally presented to non-servicing RTCSs (11, 21 or 31). In this effort the RTCS (11) currently serving the RT subscriber (15) receives information and a callback number indicating that a call, placed to the RT subscriber (15), is in progress at a remote RTCS (21 or 31). In response, the currently serving RTCS (11) pages the RT subscriber (15). Thereafter, upon receipt of the RT subscriber's page response, the currently serving RTCS (11) calls the callback number so as to connect the RT subscriber (15) to the call in progress.
REFERENCES:
patent: 4833701 (1989-05-01), Comcoe et al.
patent: 4901340 (1990-02-01), Parker et al.
patent: 5090050 (1992-02-01), Heffernan
patent: 5090051 (1992-02-01), Muppidi et al.
EIA/TIA Interim Standard--Cellular Radiotelecommunications Intersystem Operations: Automatic Roaming-EIA/TIA/IS-41.3-A-Jan. 1991.
Hillman Val Jean F.
Kuntz Curtis
Motorola Inc.
Oehling G. J.
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