Telecommunications – Transmitter and receiver at separate stations – Plural transmitters or receivers
Reexamination Certificate
2007-01-05
2009-12-22
Anderson, Matthew D (Department: 2618)
Telecommunications
Transmitter and receiver at separate stations
Plural transmitters or receivers
C455S517000
Reexamination Certificate
active
07636580
ABSTRACT:
A method and system for placing a dispatch call from an Integrated Digital Enhanced Network (iDEN) to a non-iDEN network is disclosed. An inter-urban call restriction check process is performed by an iDEN dispatch call processor if a response to a query indicates that a target dispatch call processor associated with a called entity is associated with the iDEN network and the inter-urban call restriction check process is not performed by the iDEN dispatch call processor if the response indicates that the target dispatch call processor is associated with the non-iDEN network.
REFERENCES:
patent: 7054302 (2006-05-01), Albal et al.
patent: 2003/0236093 (2003-12-01), Drozt et al.
patent: 2005/0180389 (2005-08-01), Xenakis et al.
patent: 2006/0190729 (2006-08-01), Uchida
Barrow Steven W.
Khan Safwan A.
Anderson Matthew D
Nextel Communications Inc.
Safaipour Bobbak
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