--> WvDial: Internet dialer version 1.60
--> Cannot get information for serial port.
--> Initializing modem.
--> Sending: ATZ
ATZ
OK
--> Sending: AT+CGDCONT=1,"IP","3gprs"
AT+CGDCONT=1,"IP","3gprs"
ERROR
--> Bad init string.
--> Cannot get information for serial port.
--> Initializing modem.
--> Sending: ATZ
ATZ
OK
--> Sending: AT+CGDCONT=1,"IP","3gprs"
AT+CGDCONT=1,"IP","3gprs"
ERROR
--> Bad init string.
--> Cannot get information for serial port.
--> Initializing modem.
--> Sending: ATZ
ATZ
OK
--> Sending: AT+CGDCONT=1,"IP","3gprs"
AT+CGDCONT=1,"IP","3gprs"
ERROR
--> Bad init string.

###########################################################
Konfigurasi wvdial.conf 3
###########################################################
[Dialer Defaults]
Init1 = ATZ
Init2 = AT+CGDCONT=1,"IP","3gprs"
Modem Type = Analog Modem
ISDN = 0
Phone = *99***1#
Modem = /dev/ttyUSB0
Username = 3gprs
Password = 3gprs
Baud = 115200