On Sat, 13 Jul 1996, Sandy Sandfort wrote:
In response to which Bruce M. wrote:
It would still be possible for the LD company to just pass through your information for ANI, although I wonder what percentage actually do.
Not being technically oriented, I may be venturing into deep water here, but I don't think ANI "pass through" is likely at all. When you use a pre-paid calling card, TWO separate calls and call set-ups are made, your call to the card company and the card companies call to your ultimate destination. While many (most?) card companies keep records of all calls placed, there are some who keep no records at all. Unless this hypothetical "pass through" capability is somehow built into the the phone infrastructure and is transparent to the card companies, I seriously doubt the card companes would invest any resources in doing such a "pass through." After all, the same information is available, albeit with a bit more work, from their operational logs if they even keep those.
I'm not positive, but I think that there may be some standards on what types of signals and information that they must pass through. I don't know that ANI signals would be among those, but I know that LD companies have been 'encouraged' for quite some time to pass on the information. ________________________________ [ Bruce M. - Feist Systems, Inc. ] ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ "Official estimates show that more than 120 countries have or are developing [information warfare] capabilities." -GAO/AIMD-96-84