[dialout] exten => _X.,1,Set(CALLERID(num)=888xxxxxxx) exten => _X.,2,GotoIf($["${SCREEN_FILE}" = ""]?6:3) exten => _X.,3,Dial(IAX2/${VOICEPULSE_GATEWAY_OUT_A}/${EXTEN}|20|mgM(announcecaller)) exten => _X.,4,Dial(IAX2/${VOICEPULSE_GATEWAY_OUT_B}/${EXTEN}|20|mgM(announcecaller)) exten => _X.,5,Hangup exten => _X.,6,Dial(IAX2/${VOICEPULSE_GATEWAY_OUT_A}/${EXTEN}) exten => _X.,7,Dial(IAX2/${VOICEPULSE_GATEWAY_OUT_B}/${EXTEN}) exten => _X.,8,Hangup