Methods are disclosed for limiting the scope of flooding of dense mode IP multicast calls. A multicast scope value (e.g., TTL scope or hop limit) is determined for each call based on the locations of participating devices for the call at one or more destination sites, zones or zone clusters. The multicast...http://www.google.com/patents/US20020191584?utm_source=gb-gplus-sharePatent US20020191584 - Dense mode IP multicast call scoping in a wireless communication system
