US20050025149A1 System for dispatching information packets and method therefor

Such an agency is typically licensed or certified by the manufacturer. This again leaves the user/owner at the mercy of the manufacturer through the service personnel, resulting in a decrease in competition and an increase in service expenses. The overall purpose of this position is to Manage network servers and technology tools as well as set up workstations and Remote support of on-site engineers and end users/customers during installation.

Additionally, the use of such a centralized and complex dispatching center often necessitates the use of a highly skilled and specially trained dispatcher . The method of claim 54 further comprising delaying the dispatch of all information packets to said destination unit until requested by a recipient at said destination unit. The method of claim 51 further comprising delaying the dispatch of said information packet to said destination unit until requested by a recipient at said destination unit. The method of claim 47 further comprising delaying the dispatch of all information packets to said destination unit until requested by a recipient at said destination unit.

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Certain types of specialized field units have the ability to transmit and receive upon alternative frequencies. When this ability is engaged, those specific field units effectively are removed from the PTT dispatch system and become a local single-frequency PTT system. This condition poses the potential of a serious problem during a crisis situation. While the needed and necessary local intercommunication is enabled, those field units are inhibited from receiving information from the dispatch unit. Such information may be critical e.g., the inability of expected backup to arrive when planned. The centralized dispatching unit Dispatch Track App of a PTT dispatch system typically transmits to all field units simultaneously.

The locations of server nodes 40 and 44 and their connectivity to cellular services 32 and 34 are beyond the scope of the present discussion. For the purposes of the present invention, server nodes 40 and 44 have connectivity with cell sites 36 and 46, respectively, through network 24. The method of claim 54 wherein said delaying is configured by said recipient at said destination unit. The method of claim 47 wherein said delaying is configured by said recipient at said destination unit. The method of claim 40 wherein said delaying is configured by said recipient at said destination unit.

The complexity of dispatching to selected units using known conventional dispatching schemes increases dramatically when the number and addresses of the selected units is dynamic. In a highly dynamic emergency situation, for example a forest fire, the “groups” to be addressed may change many times in the course of the emergency as personnel move from one location to another. Conventional dispatching systems simply lack the flexibility to change fast enough to optimize the dispatching.

It is another advantage of the present invention that a simplex PTT communication system is provided utilizing a conventional (non-proprietary) cellular telephone system. With the proliferation of cellular telephone service, the replacement of PTT systems with cellular telephone systems is now possible. Unfortunately, the use of standard cellular telephone systems in lieu of PTT systems is not easily accomplished. Conventional PTT dispatching systems often lack in system security.

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