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2007 Aug 18
1
Best way to detect unknown and/or private incoming caller-id?
I am aware of how to match a particular caller-id or a caller-id
pattern and do something with the call like this:
exten => 15554441212/_888NXXXXXX,n,Playback(GoAway)
What I am curious about, is the best way to block unknown, private and
000-000-0000 calls.
I know I can do this for 000-000-0000 calls:
exten => 15554441212/0000000000,n,Playback(GoAway)
Is there a better way to catch