Patent ID: 8265032

Claim:
A method of multicast broadcasting to a roaming terminal according to a location of an IP network connection of the roaming terminal, wherein, following a routine connection of the roaming terminal to at least one of a site affiliated or not affiliated to an original site and an original organization to which the roaming terminal is attached and transmission of a signaling message from the roaming terminal to said original site, said method comprises at least: on said original site, discriminating the location of said roaming terminal with respect to the original site, or the original organization, from said signaling message, transmitting to said roaming terminal a location discriminating information item; and on said roaming terminal, determining whether an access request from the roaming terminal to access a group multicast broadcast relates to a group multicast broadcast intended for and local to the original site, or to the original organization, of said roaming terminal, by discriminating the address of the access request to determine whether the address is a global address, an address local to the organization or an address local to the original site and upon determining that the roaming terminal is outside its original site or its original organization, and that the request to access a group multicast broadcast is intended for the original site and relating to a multicast broadcast local to the original site, or to the original organization, of said roaming terminal, replacing said access request with a request to access an extended multicast broadcast allowing access to said local multicast broadcast; transmitting, to said original site, said request to access said extended multicast broadcast, otherwise, transmitting the access request to access the group multicast broadcast to the original site.