1. A method, comprising: subscribing to, by a user who is a group member of a talk group, information on other group members in a non-trunk communication system; summarizing information on the group at least based on current information on at least one other group member whose information was subscribed to, the outcome being summarized group member information comprising a number of group members, a number of participating group members, numbers of participating and non-participating group members, indication of participating and non-participating group members and the number of available persons via a group; and delivering the summarized group member information to the user, wherein the summarized group member information comprises names of group members who are in a group call and, if no talk group call is currently active, then the summarized group member information comprises a listing of names available for a talk group call.