*/
protected void completeInvitation() {
log.debug("Inv" + Utils.prefix(peer) + ": Completing invitation...");
UserListRequestExtensionProvider extProv = new UserListRequestExtensionProvider();
transmitter.sendMessageToUser(peer,
extProv.create(new DefaultInvitationInfo(sessionID, invitationID)));
/*
* TODO: Wait until all of the activities in the queue (which arrived
* during the invitation) are processed and notify the host only after
* that.