Patent ID: 8625475

Claim:
A method of responding to a multicast message, comprising: receiving an interactive multicast message designated for a multicast group including a plurality of access terminals, the interactive multicast message requesting a response from the plurality of access terminals; receiving an access control message (ACM) for the multicast group, the access control message indicating message-specific feedback instructions for the plurality of access terminals to respond to the interactive multicast message; and responding to the interactive multicast message based on the message-specific feedback instructions for the plurality of access terminals indicated by the access control message; wherein the message-specific feedback instructions are configured to indicate, to each of the plurality of access terminals, how and/or whether to respond to the interactive multicast message, and wherein the message-specific feedback instructions are not configured to indicate, to any of the plurality of access terminals, how and/or whether to respond to any messages other than the interactive multicast message.