Looking at the Actiontec MD56ORD driver and checked the commands in the DEL2486Y.INF file. The parts of the modulation responses from this file are: “+MCR: V92” “+MCR: V90” “+MCR: K56” “+MCR: V34” To specify and force V.90, see if adding this init string to the Extra Settings box will be recognized by returning a OK, by checking your Modem log or use HyperTerminal (just to test if the init string works) to enter the commands. AT+MCR: V90 (space between the colon and V) or +MCR: V90 The AT is supposed to be automatically added by default. To specify K56Flex: AT+MCR: K56 To specify V.34 modulation: AT+MCR: V34 If its not recognized, just remove the init string from the Extra Settings box. The descriptions below are from Modemsite.com. More on V.92 commands here and here. PCM Upstream – The command +PIG=# will control PCM upstream. The values are 0 to enable PCM upstream, and 1 to disable it. Note: I have been told that there