H - Electricity – 04 – W
Patent
H - Electricity
04
W
H04W 8/18 (2009.01) H04W 64/00 (2009.01) H04W 76/02 (2009.01) H04Q 3/47 (2006.01)
Patent
CA 2305450
The present invention relates generally to the problem of providing information about a called subscriber's status in a mobile communications system, and more particularly to the problem that occurs when a caller is unable to determine whether the subscriber being called is either out of the service area or has merely switched off his mobile phone. A new parameter MSSTATUS is given which will indicate the status of a Mobile Station as ready to receive a call, MSSTATUS-ZOK, powered off as in an IMSI detach, MSSTATUS-ZIMSIDETACH, or out of the coverage area, MSSTATUS-ZIMPLICITDETACH. A message will then be given to the caller which may provide a more detailed description of the status of the subscriber being called. In addition, a new Interrogation Facility is provided which will give the caller the opportunity to receive information on the time and date of detach, IMSI or implicit, the specific reason for their unavailability, and the location of the person being called when detach occurred.
L'invention concerne la fourniture d'informations sur l'état d'un abonné appelé dans un système de communications mobile et, plus particulièrement, le problème rencontré lorsqu'un appelant est incapable de déterminer si l'abonné appelé se trouve en dehors de la zone de couverture ou s'il a simplement éteint son téléphone mobile. L'invention concerne un nouveau paramètre MSSTATUS qui indique l'état de la station mobile prête à recevoir un appel si MSSTATUS=ZOK; le terminal est éteint si MSSTATUS=ZIMSIDETACH ou il est sorti de la zone de couverture si MSSTATUS=ZIMPLICITDETACH. Ensuite, l'appelant reçoit un message pouvant fournir une description plus détaillée de l'état de l'abonné appelé. En plus, une nouvelle fonction d'interrogation permet à l'appelant de recevoir les informations sur l'heure et la date de Detach, IMSI ou implicite, la raison spécifique de leur indisponibilité et la localisation de la personne appelée en cas de detach.
Maguire Patrick
Mee John
Ericsson Canada Patent Group
Telefonaktiebolaget Lm Ericsson
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