Indosat Broadband 3G is an unlimited internet program from Indosat (Matrix). We will be using their Eco package with Sony Ericsson P990i as usb modem.

If you haven’t installed the modem, How to Sony Ericsson P990i as USB Modem on CentOs before proceed with the following steps.

Steps:
[*] Login to your box via SSH as root
[*] Put the Sony Ericsson to any available USB port.
[*] On the handset, choose “Phone Mode”.
[*] Edit the wvdial configuration file:
nano /etc/wvdial.conf

[*] You’ll see something like these:
[Dialer Defaults]
Modem = /dev/ttyACM1
Baud = 460800
Init1 = ATZ
Init2 = ATQ0 V1 E1 S0=0 &C1 &D2 +FCLASS=0
ISDN = 0
Modem Type = USB Modem
; Phone =
; Username =
; Password =

[*] Update the file to look like these:
[Dialer Defaults]
Modem = /dev/ttyACM1
Baud = 460800
Init1 = ATZ
Init2 = ATQ0 V1 E1 S0=0 &C1 &D2 +FCLASS=0
Init3 = AT+CGDCONT=1,"IP","indosat3g"
ISDN = 0
Modem Type = USB Modem
Phone = *99***1#
Username = indosat
Password = indosat

[*] Save and exit nano.
Ctrl + O
Ctrl + X

[*] Run screen program
screen

[*] Start the connection.
wvdial

You’ll see something like these:
--> WvDial: Internet dialer version 1.54.0
--> Cannot get information for serial port.
--> Initializing modem.
--> Sending: ATZ
ATZ
OK
--> Sending: ATQ0 V1 E1 S0=0 &C1 &D2 +FCLASS=0
ATQ0 V1 E1 S0=0 &C1 &D2 +FCLASS=0
OK
--> Sending: AT+CGDCONT=1,"IP","indosat3g"
AT+CGDCONT=1,"IP","indosat3g"
OK
--> Modem initialized.
--> Sending: ATDT*99***1#
--> Waiting for carrier.
ATDT*99***1#
CONNECT
~[7f]}#@!}!}!} }9}#}%B#}%}(}"}'}"}"}&} } } } }%}&@}4KT[03]_~
--> Carrier detected. Waiting for prompt.
~[7f]}#@!}!}"} }9}#}%B#}%}(}"}'}"}"}&} } } } }%}&@}4KTO2~
--> PPP negotiation detected.
--> Starting pppd at Mon Mar 8 10:58:33 2010
--> pid of pppd: 24638
--> Using interface ppp0
--> pppd: dosat3g"
--> pppd: dosat3g"
--> pppd: dosat3g"
--> pppd: dosat3g"
--> pppd: dosat3g"
--> local IP address x.x.x.x
--> pppd: dosat3g"
--> remote IP address x.x.x.x
--> pppd: dosat3g"
--> primary DNS address x.x.x.x
--> pppd: dosat3g"
--> secondary DNS address x.x.x.x
--> pppd: dosat3g"

Means you’re connected to the internet.

[*] Detach the screen program
Ctrl + A
Ctrl + D

[*] Done, now you can browse the internet with your favorite browser.

To disconnect the connection:
[*] Call the screen program
screen -r
[*] Terminate the connection
Ctrl + C

Good luck!