Device for identifying a called terminal from among numerous...

Details Device for identifying a called terminal from among numerous... Device for identifying a called terminal from among numerous...

H - Electricity

04

Q

H04Q 7/38 (2006.01) H04Q 7/20 (2006.01) H04Q 7/22 (2006.01)

Patent

CA 2257466

Des moyens (MSC1, HLR) renvoient un appel (52, 53), destiné à l'un de ces terminaux d'usager (UT1,..., UT100) et contenant le numéro d'annuaire (MSISDN1) du terminal d'usager (UT1) qui est appelé, vers un centre de commutation du servicemobile (MSC2) permettant d'accéder au terminal d'usager (UT1) qui est appelé. Ces moyens envoient au centre de commutation du service mobile (MSC2), un message appelé IAM contenant le numéro d'annuaire (MSISDN1) du terminal d'usager qui estappelé. Le centre de commutation du service mobile (MSC2) fournit ce numéro d'annuaire à un terminal radiotéléphonique dans un message appelé SETUP. Ce terminal radiotéléphonique fixe (RTa, RTb, RTc) extrait du message SETUP, reçu pour l'établissement de chaque appel, le numéro d'annuaire du terminal d'usager (UT1) qui est appelé, et envoie ce numéro au commutateur (SW) sous la forme d'un message de signalisation classique.

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