Method and apparatus for efficient roaming among communication s

Details Method and apparatus for efficient roaming among communication s Method and apparatus for efficient roaming among communication s

1995-09-20

1997-09-09

Horabik, Michael

Communications: electrical

Continuously variable indicating

With meter reading

34082544, 455433, H04B 338, H04B 100, G08B 522, H04M 1100

Patent

active

056661070

ABSTRACT:
A communication system (100) for providing messages to a pager (140) includes a first sub-system (105) having a home terminal (125) for normally transmitting the messages to the pager (140) in a first geographic region. The communication system (100) also includes a second sub-system (115) having a local terminal (135) for transmitting the messages to the pager (140) when the pager (140) has roamed into a second geographic region. The local terminal (135) of the second sub-system (115) includes a data port (505) for receiving a message for transmission to the pager (140), a controller (510) for determining that the pager is roaming, and a requester (580) for automatically transmitting a request for a subscriber record associated with the pager (140) from the first sub-system (105) in response to determining that the pager (140) is roaming.

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patent: 5440614 (1995-08-01), Sonberg et al.
patent: 5506886 (1996-04-01), Maine et al.
Strawman for Automatic Roaming, Jun. 18, 1985, Electronic Industries Association, TR-45.2 Cellular System Operation.

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