/*#define MED_CALLID_QUERY "(select a.callid, a.time from acc a, acc b where a.callid = b.callid and a.method = 'INVITE' and b.method = 'BYE' group by callid) union (select callid, time from acc where method = 'INVITE' and sip_code != '200') order by time asc limit 0,200000"*/
#define MED_CALLID_QUERY "select a.callid from acc a left join acc b on a.callid = b.callid and b.method = 'BYE' where a.method = 'INVITE' and (a.sip_code != '200' or b.id is not null) group by a.callid limit 0,200000"