Just as an aside, even if it turns out to be a Winmodem, many of them can still be used under Linux. Towards the end of the modem era there were a couple of op

Just as an aside, even if it turns out to be a Winmodem, many of them can still be used under Linux. Towards the end of the modem era there were a couple of open source efforts to create Linux drivers for popular Winmodem chipsets. LTMODEM was one of them. For reasons I don't understand, most were unable to do 56k/v92bis though. The other interesting thing about Winmodems/softmodems, is that they could also be used for stuff besides serial data transmission. In particular, you could use them to send/receive faxes and handle voice calls. This latter ability was particularly neat. No idea if they're still supported, but the Asterisk telephony package could even use inexpensive PCI modems as part of a PBX, to connect to analog devices on either the internal (wired phones) or external (POTS phone line) sides. This is a bit less impressive today, when you can buy a cheap SIP ATA for $20, than it was in the late 90s / early 00s when I first heard about it.