yep

git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@1571 d0543943-73ff-0310-b7d9-9358b9ac24b2

src/mod/endpoints/mod_portaudio/mod_portaudio.c

@@ -409,6 +409,29 @@ static switch_status_t channel_answer_channel(switch_core_session_t *session)
 	return SWITCH_STATUS_SUCCESS;
 }
 
+static switch_status_t channel_receive_message(switch_core_session_t *session, switch_core_session_message_t *msg)
+{
+	switch_channel_t *channel;
+	struct private_object *tech_pvt;
+			
+	channel = switch_core_session_get_channel(session);
+	assert(channel != NULL);
+			
+	tech_pvt = switch_core_session_get_private(session);
+	assert(tech_pvt != NULL);
+
+
+	switch (msg->message_id) {
+	case SWITCH_MESSAGE_INDICATE_PROGRESS: 
+		{
+			switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Engage Early Media\n");
+			switch_set_flag(tech_pvt, TFLAG_IO);
+		}
+	default:
+		break;
+	}
+}
+
 
 static switch_api_interface_t send_dtmf_interface = {
 	/*.interface_name */ "padtmf",