[inbound]
        exten => s,1,Wait,20
        exten => s,2,Answer
       exten => s,3,Dial(${PHONE1},15);&${PHONE2},15)
       exten => s,4,Background(gail5);
;        exten => s,4,Background(petegreet)
       exten => s,5,Voicemail(u2000)
        exten => s,6,Hangup()