Caller ID Technical FAQQ: When I block Caller ID with *67, does it send my number anyway and just set a "private bit" so that the other person's Caller ID Display unit won't display it?
A: No. The person you're calling doesn't get your phone number anywhere in his data stream if you block your call that way. All he/she gets is "P" and the date/time of the call.
I would like to refer to an experiment I performed in March, 1998 with a Serial Port Caller ID, which delivers the raw data stream to a PC for software interpretation. The following Usenet message (edited for this file) is the report I published on that experiment:
Newsgroups: alt.2600
From: The Fixer
Date: Tue, 24 Mar 98 16:12:58 -0800
Subject: Caller ID and *67 - The Facts
OK, it's time to shovel the bullshit which is piling up in this
newsgroup about Caller ID.
A few people are saying that when you block your Caller ID with
*67, the switch send
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