A friend has a USR Sportster installed as recommended by Quicklink 'comtest' on COM1 IRQ5 on his IBM PS/1. The modem appears to dial the number but the dial tone continues until timeout when 'BUSY' comes up. We have tried all COM and PORT settings and tried disabling Serial A and B. Even tried setting init on Quicklink as recommended by U.S.R. articles from their Web site. A normal handset dials out fine on the jack we are using. Any suggestions on how we can get this modem to work, please?
