A system for emergency wireless call communication in a geographical area having a plurality of wireless communication carriers comprising, a communications handset that operates on all carriers and apparatus to transfer the call to the carrier which has the best available reception.
Description
BRIEF DESCRIPTION OF THE DRAWINGS
FIG. 1 is a flow diagram using an automatic handset;
FIG. 2 is a flow diagram using a manual handset; and,
FIG. 3 is a flow diagram of the call switching.
Claims
1. A system for emergency wireless call communication in a: geographical area having a plurality of wireless communication carriers comprising, a communications handset that operates on all carriers and means to transfer the call to the carrier having the best available reception.
2. The system of claim 1 in which the handset automatically transfers the call to the provider which has the best available reception.
3. The system of claim 1 in which the handset comprises means to manually transfer the call from one carrier to another.
4. The system of claim 1 in which the call is initially placed with the usual carrier for the handset and then transferred to the carrier which has the best reception.
5. The system of claim 1 further comprising three-way calling to effectuate the transfer to the carrier with the best reception.
6. The system of claim 1 in which the handset has a single access number, which operates on all carriers.
7. The system of claim 1 in which the handset has a different access number for each carrier.
8. The system of claim 1 in which a different access number is used for each emergency service provider.
9. The system of claim 8 in which the emergency service providers are police, fire and medical.
10. The system of claim 1 in which the call is transferred based upon predetermined criteria.
11. The system of claim 10 in which the predetermined criteria is the decibel level of the call.
12. The system of claim 11 in which the decibel level at which the call is transferred is 90 db.
13. The system of claim 1 in which the call is transferred if the call is dropped, is blocked due to lack of capacity or due to non-sufficient coverage.
14. The system of claim 1 in which the handset has the ability to choose the network with the best available reception and place an emergency call on that carrier's network while placing or setting up simultaneous calls on other networks for a possible transfer of the call.
15. The system of claim 1 in which emergency calls have first responder priority with all carriers.
16. A method of doing business comprising a single business entity having the ownership of a plurality of emergency wireless communication numbers, for emergency service providers, the business entity billing each emergency service provider for all emergency calls placed by the emergency service provider using the wireless communication numbers.
17. A system for emergency wireless call communication in a geographical area having a plurality of wireless communication carriers comprising, a communications handset that operates on all carriers and apparatus to transfer the call to the carrier having the best available reception.
18. The system of claim 17 in which the apparatus comprises a signal strength detector.
Patent Application
20070224966
