My concern is that accepting any old From and displaying the numeric
part as callerid, will in fact lower the bar considerably from what it
is in the PSTN today.
Of course I may be wrong about that. Perhaps the bar is already as low
as it can go.
Paul
[EMAIL PROTECTED] wrote:
> From: Paul Kyzivat <[EMAIL PROTECTED]>
>
> Suppose you are building a sip adapter for black phones. (Well, black
> phones with a callerid display.)
>
> What criteria should it use before displaying the callerid of the
> incoming call?
>
> That there is a From header.
>
> People have just argued at great length that PSTN caller ID is not
> trustable, so displaying a From header has the same level of security.
>
> Dale
>
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