Model: 2949L & 2945L V.90 external
Operating System: All Windows Versions (Note: might work with other versions of this os.)
2949L & 2945L V.90 external modem
"(Includes Channel 2 Call Waiting Detect Feature) Latest flash upgrade for Lucent External modem model 2949L. This flash upgrade will not work with Rockwell 2949 modems! The file is self extracting. (2945L requires PC compatible computer for flashing firmware.)"