In dialplan I set ringback variable <extension name="setRingback" continue="true"> <condition> <action application="set" data="ringback=${us-ring}"/> </condition> </extension> And diaplan terminate call on extension <extension name="agent_login"> <condition field="${destination_number}" expression="^agent_login$"> <action application="set" data="ignore=${callcenter_config(agent set status ${caller_id_number}@${sip_to_host} 'Available')}" inline="true"/> <action application="ring_ready"/> <action application="pre_answer"/> <action application="sleep" data="2500"/> <action application="answer"/> <action application="sleep" data="700"/> </condition> </extension> But ringback is not generaded. Why is it posible? Sergey