Found it! http://www.k3pgp.org/telezap.htm http://www.k3pgp.org/telezap.htm Another trick was to play the fax tone. But as the link above says, you risked gett

Found it! http://www.k3pgp.org/telezap.htm http://www.k3pgp.org/telezap.htm Another trick was to play the fax tone. But as the link above says, you risked getting spam faxes if you played the fax tone.