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Features for emergency calling and short messaging system

  • US 6,397,054 B1
  • Filed: 07/30/1998
  • Issued: 05/28/2002
  • Est. Priority Date: 07/30/1998
  • Status: Expired due to Fees
First Claim
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1. A method for routing emergency messages from an originating station in a radiocommunication network, said method comprising the steps of:

  • sending a channel request from said mobile station indicating an emergency Stand-alone Dedicated Control Channel (SDCCH) procedure;

    receiving an assignment message at said mobile station in response to said channel request, said assignment message directing said mobile station to a dedicated logical channel; and

    sending, in response to the assignment message, a Communication Management (CM) service request indicating an emergency short message service (SMS);

    wherein said mobile station transmits at least one emergency message using SMS.

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