August 2007
Intermediate to advanced
608 pages
20h 33m
English
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Name
BLACKLIST — Checks if the Caller ID is on the blacklist
Synopsis
When read, BLACKLIST() uses
the AstDB to check if the Caller ID is in family blacklist. Returns 1 or
0.
This function may only be read, not set.
See Also
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.