Removing spaces from outbound phone numbers

FreePBX Configuration
2

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[macro-dialout-trunk-predial-hook]
exten => s,1,NoOp(Entering user defined context macro-dialout-trunk-predial-hook in extensions_custom.conf)
;Remove spaces or dashes or + from outbound number when calling
exten => s,n,Set(OUTNUM=${FILTER(0123456789*#,${OUTNUM})})
exten => s,n,MacroExit

Remember to reload dial plan.