Dialing in a mobile radio telephone after an international...

Details Dialing in a mobile radio telephone after an international... Dialing in a mobile radio telephone after an international...

H - Electricity

04

Q

H04Q 7/32 (2006.01) H04M 1/274 (2006.01) H04M 1/2745 (2006.01) H04Q 7/38 (2006.01)

Patent

CA 2388219

The invention aims at facilitating the use of called numbers in a subscriber's country of origin, having a mobile radio terminal, when the subscriber is travelling abroad. When the called number NA = 0 NN is not an international number, a country of origin indicator (MCC0) read (S2) in the identity code IMSI of the user and a code (MCCE) of the country where the terminal is located (MS) read (S3) in a local area identifier (LAI) are compared (S4). The called number is not modified (S5) when the country indicators compared are identical. A code CC0 of the country of origin is added at the beginning (S8) of the called number when the country indicators compared are different, so that the number transmitted by the terminal is in the international format (S9).

L'invention vise à faciliter l'utilisation de numéros d'appelés au pays d'origine d'un abonné, possesseur d'un terminal radiotéléphonique mobile, lorsque l'abonné est en voyage à l'étranger. Lorsqu'un numéro d'appelé NA = 0 NN n'est pas un numéro international, un indicatif de pays d'origine (MCC¿0?) lu (S2) dans l'identité d'abonné IMSI et un indicatif (MCC¿E?) du pays où se trouve le terminal (MS) lu (S3) dans une identité de zone de localisation LAI sont comparés (S4). Le numéro d'appelé n'est pas modifié (S5) lorsque les indicatifs de pays comparés sont identiques. Un code CC¿0? du pays d'origine est ajouté au début (S8) du numéro d'appelé lorsque les indicatifs de pays comparés sont différents, afin que le numéro transmis par le terminal soit au format international (S9).

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