Based on http://mynewn95.blogspot.com/2008/06/using-nokia-n95-as-modem-for-linux.html
Fixes /etc/wvdial.conf:
[Dialer Defaults] Modem = /dev/ttyACM0 Baud = 460800 Init1 = ATZ Init2 = ATQ0 V1 E1 S0=0 &C1 &D2 +FCLASS=0 Init5 = AT+CGDCONT=1,"IP","internet" ISDN = 0 Phone = *99# Username = internet Password = internet Modem Type = Analog Modem Stupid Mode = yes