Blocking Outbound Calling based on Extension

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How to block outbound dialing based on extensions. This is good for blocking phones out in the plant from making calls outside of the system.’, ‘

[outrt-002-ALL-custom]
exten => _1NXXNXXXXXX/202,1,Answer()
exten => _1NXXNXXXXXX/202,n,Playback(silence/1&im-sorry&feature-not-avail-line)
exten => _1NXXNXXXXXX/202,n,Hangup()
exten => _1NXXNXXXXXX,1,Macro(dialout-trunk,2,${EXTEN},,)
exten => _1NXXNXXXXXX,n,Macro(dialout-trunk,3,${EXTEN},,)
exten => _1NXXNXXXXXX,n,Macro(outisbusy,)

As of right now, you can\’t use 6XX for the CID to block. I\’ll have to do some more research, as I would like to set it to block a range of extensions, not just a single extension. I plan to create 6XX extensions for all in plant phones.. and want block them all.. I\’ll have to figure out how to do that so I don\’t have to have a dialplan 5 miles long to block each 6XX extension.

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