International Modems?

Laurie, I used to write software for the Chinese National Railway back in 1989-1990. We used Multi-Mate modems (external). Most of the differences in phone systems involves the use of "guard tones" as we found out the hard way; I had to fly to China over Thanksgiving '89 to rewrite some of the modem software because the V.P. of Engineering for my company failed to get the needed specs for their (the Chinese) phone system!!! Hope that helps. Douglas Wood Software Engineer dbwood(a)kc.rr.com ICQ#: 143841506 Home of the EPICIS Development System for the PIC http://epicis.piclist.com ----- Original Message ----- From: laurie mintz To: cctech(a)classiccmp.org Sent: Tuesday, September 17, 2002 3:56 PM Subject: International Modems? Does anyone know when the first international-capable modems were sold? I know that there were Hayes commands pretty early on that allowed modems to be configured for either US or Europe, but I suspect this may have been more related to signal standards than to phone line requirements (such as impedance). I'm looking for a modem that could be switched between US, Europe, and/or Japan phone lines. Can anyone help? Thanks. Laurie ------------------------------------------------------------------------------ Do you Yahoo!? Yahoo! News - Today's headlines