......... ....... extensions.conf: [macro-page] exten => s,1,ChanIsAvail(${ARG1}|js) ; j is for dump and s is for ANY call exten => s,2,SIPAddHeader(Alert-Info: Ring Answer) exten => s,3,Dial(${ARG1}) exten => s,4,Hangup exten => s,102,Hangup .... exten => 492,1,Macro(page,SIP/492)