System and method for enabling authorization of local breakout for internet protocol multimedia services

摘要

A mobile communication terminal includes a registration module that initiates a registration of the mobile communication terminal with Internet protocol (IP) multimedia subsystems (IMS) within a home network. The registration module initiates registration when the mobile communication terminal is roaming in a visited network. The mobile communication terminal also includes a session module that initiates a session set-up with the IMS to enable use of IMS resources. At least one of the registration module and the session module provide a first IP address to the IMS during at least one of the registration and the session set-up. The mobile communication terminal communicates with a first packet data network (PDN) that is local to the visited network using the first IP address in order to use at least one of the IMS resources.

主权项

1. A system, comprising:
a first network configured to provide a first Internet Protocol address and a first resource; a second network configured to provide a second Internet Protocol address and a second resource; a mobile terminal configured to i) communicate, via data packets, with the first network to access the first resource using the first Internet Protocol address, and ii) communicate with the second network, via data packets, to access the second resource using the second Internet Protocol address, wherein
the data packets sent from the mobile terminal to the first network have the first Internet Protocol address as a source address,the data packets sent from the mobile terminal to the second network have the second Internet Protocol address as the source address,the mobile terminal is configured to request authorization of connectivity with at least one of the first network and the second network, and the first network is configured to provide to the second network, in response to the request, an indication of which packet data networks the mobile terminal is authorized to communicate with.