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On Mon, 17 Oct 2011, Julian Hall wrote:
I ran into a similar issue in work a few years ago because our customer authentication for the free dialup accounts relied partially on checking the number the connection was made from. If you're ex-directory your number is automatically withheld, at least it was the last time I heard.
I remember those issues with dial-up, but if you're in the business of terminating telephone calls, it's possible to get caller ID even from withheld calls - well, I know I can get it - it's how I handle repeated malicious calls...
Gordon -- The Mailing List for the Devon & Cornwall LUG http://mailman.dclug.org.uk/listinfo/list FAQ: http://www.dcglug.org.uk/listfaq