Stefan Walter wrote in a message to Vince Perriello:

 SW> If a mailer like Xenia sees, that there is nothing on hold for the
 SW> caller (*before* answering the phone), it doesn't answer and
 SW> instead sends an ISDN-error (34be i think), so that the caller does
 SW> not have to pay for no mail. If the caller wants to connect anyway,
 SW> he just calls again immediately. 

How does that help? If someone is calling me that I'm not linked to,
chances are that the person is crashmailing me. No one who crashmails me
has any mail on hold for them... :)


--- timEd/2 1.10+