Issues resolved in 5.4.5 Removed unsupported character format. Corrected CID/RING detection without &F. Corrected ATD/R function. Improved 300 connections. Corrected &B0 functionality in &F0 and &F1 profiles. Improved functionality of &N with &U. Improved functionality of &M1 with S15=128. Corrected keypress abort reason not appearing in ATI6 screen. Corrected disconnect reasons. Corrected &N not preserving S32 settings. Corrected V32 Retraining due to GSTN cleardown fix. Corrected GSTN cleardown in v32 and v34 modes. Corrected keypress abort during LAPM negotiation. Corrected ignore keypress aborts when in dumb mode. Corrected "Query Modem" failure. Improved distinctive ring RING C and RING D detection.