Call charging notification

Details Call charging notification Call charging notification

H - Electricity

04

M

H04M 15/00 (2006.01) H04L 12/66 (2006.01)

Patent

CA 2470948

An approach for providing charging information of a call established over a data network is disclosed. A communications system includes a user agent that initiates a call to another user agent according to an application layer protocol. The system also includes a network element that assists in establishing the call and forwards information indicating that the call is chargeable to the user agent. The present invention had particular applicability to SIP (Session Initiation Protocol) IP (Internet Protocol) telephony services.

L'invention concerne une approche permettant de fournir des informations de taxation d'un appel effectué dans un réseau de données. Un système de communication comprend un agent d'utilisateur qui débute un appel vers un autre agent d'utilisateur en fonction d'un protocole de couche application. Ce système comprend également un élément de réseau qui aide à établir l'appel et transmet des informations indiquant que cet appel est à la charge de l'agent d'utilisateur. Cette invention offre des possibilités d'applications particulières à des service de téléphonie IP (protocole Internet) à SIP (protocole de signalisation SIP).

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