setting callerid based on extension range

[from-internal-custom]
exten => 1234,1,Playback(demo-congrats)         ; extensions can dial 1234
exten => 1234,2,Hangup()

exten=>_1NXXNXXXXXX,1,Noop(${CALLERID(NUM):0:1})

same=> n,ExecIf($["${CALLERID(NUM):0:1}"= "7"]?Set(CALLERID(all)=MOREHAIR<13525081099>))

same=> n,ExecIf($["${CALLERID(NUM):0:1}"= "8"]?Set(CALLERID(all)=TonerRefillKits<18005273712>))

same=> n,ExecIf($["${CALLERID(NUM):0:1}"= "9"]?Set(CALLERID(all)=LASERGROUP<13523433804>))

same=>n,Dial(SIP/${EXTEN}@Flowroute)

exten=>_NXXNXXXXXX,1,Noop(${CALLERID(NUM):0:1})

same=> n,ExecIf($["${CALLERID(NUM):0:1}"= "7"]?Set(CALLERID(all)=MOREHAIR<13525081099>))

same=> n,ExecIf($["${CALLERID(NUM):0:1}"= "8"]?Set(CALLERID(all)=TonerRefillKits<18005273712>))

same=> n,ExecIf($["${CALLERID(NUM):0:1}"= "9"]?Set(CALLERID(all)=LASERGROUP<13523433804>))


same=>n,Dial(SIP/1${EXTEN}@Flowroute)