Enhanced security for voicemail passwords

H - Electricity – 04 – M

Patent

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Details

H04M 3/533 (2006.01) H04M 3/22 (2006.01)

Patent

CA 2508490

A communication device (and its related method of operation), when accessing password protected voicemail services, may invoke an enhanced security feature which effectively masks at least the password digit values from being discernible by feedback to the user. This is especially important where portable wireless communication devices may have pre-stored password data for use with automated voicemail access - even in a "locked" mode. Unauthorized possessors of such a device might utilize conventional audible feedback during password transmission to decipher the password value. However, such lack of security is avoided by masking the password data values from the audible and/or visual user feedback, if any.

Appareil de communication (et méthode d'utilisation connexe) qui, lors de l'accès à des services de messagerie vocale protégés par mot de passe, peut invoquer une fonction de sécurité améliorée qui masque effectivement au moins les valeurs numériques du mot de passe afin que l'utilisateur ne puisse les déceler par rétroaction. Cet aspect est d'une importance particulière dans le cas où les appareils de communications sans fil portatifs peuvent avoir des données de mot de passe préenregistrées pour les utiliser pour accéder à des messageries vocales automatiques - même en mode bloqué. Les possesseurs non autorisés de tels appareils pourraient se servir de la rétroaction audible classique lors de la transmission du mot de passe pour déchiffrer les valeurs du mot de passe. Cependant, une telle lacune de la sécurité est évitée en masquant les données des valeurs du mot de passe de la rétroaction audible et/ou visuelle de l'utilisateur, le cas échéant.

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