Packet switched network voice communication

H - Electricity – 04 – L

Patent

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Details

H04L 12/26 (2006.01) H04L 12/24 (2006.01) H04L 29/06 (2006.01) H04M 7/00 (2006.01) H04M 11/06 (2006.01) H04L 29/08 (2006.01) H04M 3/00 (2006.01)

Patent

CA 2440893

Method of confirming the establishment of a voice connection, such as a VoIP connection, between first and second end stations coupled to a packet switched communications network. The voice connection is used to transfer an audible request from the first end station to the second end station, to ask the user of the second end station to generate a predetermined vocal response. The first end station compares any response from the second end station to the predetermined vocal response. The connection is determined to be established in response to a successful comparison. The predetermined vocal response includes a predetermined speech sequence comprising characters, a word or words, and a speech recognition procedure is applied to the received response to determine the presence of any speech sequence for comparison with the predetermined sequence. If a fault is detected an alternative connection is established to execute a process to correct the fault.

L'invention concerne un procédé de confirmation d'établissement de connexion vocale, du type voix sur IP, entre des première et seconde stations terminales couplées à un réseau de commutation par paquets. On utilise la connexion vocale pour transférer une demande audible, de la première station vers la seconde station, et inviter l'utilisateur de la seconde station à fournir une réponse vocale prédéterminée. La première station compare toute réponse émanant de la seconde station avec la réponse prédéterminée. La connexion est établie selon le résultat de la comparaison. La réponse prédéterminée comporte une séquence vocale prédéterminée dans laquelle figurent des caractères et un ou plusieurs mots. On applique une procédure de reconnaissance vocale à la réponse reçue pour déterminer la présence éventuelle d'une séquence vocale destinée à être comparée avec la séquence prédéterminée. En cas de détection de défaut, l'établissement d'une connexion de remplacement permet de conduire un processus visant à corriger le défaut.

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