Automatic new radiotelephone system registration notification

• US 5,020,091 A
• Filed: 12/26/1989
• Issued: 05/28/1991
• Est. Priority Date: 12/26/1989
• Status: Expired due to Term

• Current Assignee: Motorola, Inc. (Motorola Solutions, Inc.)
• Original Assignee: Motorola, Inc. (Motorola Solutions, Inc.)
• Inventors: Mullins, Jeffery L., Krolopp, Robert K., Auchter, Thomas J.
• Primary Examiner(s): Ng, Jin F.
• Assistant Examiner(s): CUMMING, WILLIAM D
• Application Number:
  US07/457,111
• Time in Patent Office: 518 Days
• Field of Search: 379/57, 379/58, 379/59, 379/60, 379/62, 379/63, 455/34, 455/33
• US Class Current: 455/551
• CPC Class Codes: H04W 48/20 Selecting an access point
• CPC Class Codes: H04W 8/183 Processing at user equipment or user record carrier
• CPC Class Codes: H04W 88/06 adapted for operation in multiple networks or having at least two operational modes, e.g. multi-mode terminals
• CPC Class Codes: Y02D 30/70 in wireless communication networks

Abstract

A process for use in a radiotelephone that has multiple telephone numbers for use in different cellular radiotelephone systems. The numbers are stored in number assignment modules (NAM'"'"'s) with its corresponding system identification code. The process compares a received system identification code with the ones in memory (103). If a match is found, the radiotelephone user is prompted to select the new telephone number (104). If the new number is not selected or the identification code is not found in memory, the radiotelephone becomes a roaming unit and enters an idle state (107) waiting for an incoming call.

Claims

1. A method for notification of registration of a radiotelephone device having a display, a keypad, and a memory, the memory having a plurality of telephone numbers and corresponding system identification numbers, the radiotelephone device operating in at least two cellular radiotelephone systems, each cellular radiotelephone system having a unique system identification number and a plurality of frequencies, the pluality of frequencies comprising at least one control frequency and at least one paging frequency, comprising the steps of:

(A) scanning the plurality of frequencies for the at least one control frequency;

(B) scanning the plurality of frequencies for the at least one paging frequency;

(C) receiving the unique system identification number over the at least one paging frequency;

(D) comparing the unique system identification number to the plurality of corresponding system identification numbers;

(E) if the unique system identification number is equal to one of the plurality of corresponding system identification numbers, generating a perceptible indication to a user to allow the user to switch to a system telephone number that is one of the plurality of telephone numbers that corresponds to one of the plurality of corresponding system identification numbers that is equal to the unique system identification number;

(F) if the user switches to the system telephone number, repeating from step A; and

(G) waiting for a paging signal, indicating an incoming radiotelephone call, on a frist paging frequency.

2. A method of registration of a radiotelephone device having a display, a keypad, and a memory, the memory having a plurality of telephone numbers and corresponding system identification numbers, the radiotelephone device operating in at least two cellular radiotelephone systems, each cellular radiotelephone system having a unique system identification number and a plurality of radiotelephone frequencies, the plurality of radiotelephone frequencies comprising at least one paging frequency, the steps of the method comprising:

(A) scanning the pluarlity of radiotelephone frequencies;

(B) receiving the unique system identification number over a first radiotelephone frequency of the plurality of radiotelephone frequencies;

(C) comparing the unique system identification number to the plurality of corresponding system identification numbers;

(D) if the unique system identification number is equal to one of the plurality of corresponding system identification numbers, generating a perceptible indication to a user to allow the user to switch to a system telephone number that is one of the plurality of telephone numbers that corresponds to one of the plurality of corresponding system identification numbers that is equal to the unique system identification number;

(E) if the user switches to the system telephone number, repeating from step A; and

(F) waiting for a paging signal, indicating an incoming radiotelephone call, on a first paging frequency of the at least one paging frequency.