من هم وقتی از روش اول استفاده میکنم این پیغام میده..
sayres@sayres-HP:~$ sudo wvdial
--> WvDial: Internet dialer version 1.60
--> Cannot get information for serial port.
--> Initializing modem.
--> Sending: AT+CGDCONT=2,"IP","mcinet"
--> Sending: ATQ0
--> Re-Sending: AT+CGDCONT=2,"IP","mcinet"
ERROR
--> Bad init string.