CDMA Internet Connection from Linux

Wednesday, May 23, 2007

How to create an internet connection using CDMA network from a phone cellular in Linux? This is a new topic for me after there was a Nokia DKU-5 connection cable passed me by just for few days ago (Many thanks to Wisnu for borrowing me the cables). Obviously, there was no problem at all to make the connection within it since the configuration just takes the same from the Windows setting. Of course that you will see a different interface over Linux with kppp dialer application. One advantage is that you don’t have bother with the driver software installation, because it should automatically assigned to the native driver provided by the kernel.

The phone cellular I used was a cheap Nokia 6015 CDMA. I bought it over a year & got paired it with Fren CDMA SIM card. The DKU-5 data cable came with the USB port connection (I’m not sure whether it is genuine or not). Currently, I tested it from Linux Fedora Core 4 with standard kernel 2.6.11 from my laptop.

When it plugged to the USB port, the data cable identified as Prolific PL-2303 USB of its own. You may see it by running the dmesg command on the terminal:

hub 1-0:1.0: over-current change on port 1
usb 1-1: new full speed USB device using uhci_hcd and address 2
drivers/usb/serial/usb-serial.c: USB Serial support registered for Generic
usbcore: registered new driver usbserial_generic
usbcore: registered new driver usbserial
drivers/usb/serial/usb-serial.c: USB Serial Driver core v2.0
drivers/usb/serial/usb-serial.c: USB Serial support registered for PL-2303
pl2303 1-1:1.0: PL-2303 converter detected
usb 1-1: PL-2303 converter now attached to ttyUSB0
usbcore: registered new driver pl2303
drivers/usb/serial/pl2303.c: Prolific PL2303 USB to serial adaptor driver v0.12


From the message information above, the converter are currently attached to ttyUSB0. If you want to know more on how it recognized, try to execute cat /proc/tty/driver/usbserial command:

usbserinfo:1.0 driver:v2.0
0: module:pl2303 name:"PL-2303" vendor:067b product:2303 num_ports:1 port:1 path:usb-0000:00:07.2-1


Or running cat /proc/bus/usb/devices command:

T: Bus=01 Lev=01 Prnt=01 Port=00 Cnt=01 Dev#= 3 Spd=12 MxCh= 0
D: Ver= 1.10 Cls=00(>ifc ) Sub=00 Prot=00 MxPS=64 #Cfgs= 1
P: Vendor=067b ProdID=2303 Rev= 4.00
S: Manufacturer=Prolific Technology Inc.
S: Product=USB-Serial Controller C
C:* #Ifs= 1 Cfg#= 1 Atr=80 MxPwr=100mA
I: If#= 0 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=00 Prot=00 Driver=pl2303
E: Ad=81(I) Atr=03(Int.) MxPS= 10 Ivl=1ms
E: Ad=02(O) Atr=02(Bulk) MxPS= 64 Ivl=0ms
E: Ad=83(I) Atr=02(Bulk) MxPS= 64 Ivl=0ms


Or it just simply to open the KInfoCenter tool & watch the USB list tab to find out whether the cable has been recognized or not:



Now, continued the next step below to configure the connection. Execute the kppp application from start menu or terminal. Create new account with any kind of connection name (I used mobile8) & add #777 to the phone number lines.



Also, create a modem connection with any kind of modem name (I used nokia) & make a link to /dev/ttyUSB0 modem device on the drop down box.



If the modem is well confirmed, try it with modem query process. On my experiment, it would display Nokia 6016i at 4th line.



That’s all! Press the connect button to start the connection. After it had initialized, you can get start to enjoy the internet from the browser directly.

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  1. Anonymous Anonymous said,

    Wednesday, May 30, 2007 9:41:00 AM

    Yth. Bp. Eko Wahyudiharto, S.Kom.
    Mohon ijin artikel ini saya kopi untuk saya bagi ke cabang yang minta cara seting modem CDMA di FC4. Mudah-mudahan meski pake bahasa Inggeris tetep bisa dipahami.
    Dan kalo bisa dibanyaki lagi howto-nya (yang berkaitan dengan Linux) macam ini, jangan cuma yang rumit & bikin pusing...
    Thanx.

  2. Blogger Eko Wahyudiharto said,

    Thursday, May 31, 2007 3:46:00 PM

    Sumonggo Mr. Bahrun... Harap maklum, khusus artikel ini tidak tersedia versi bahasa Indonesianya di situs fc4ku karena tidak ada request dari temen-temen yang lain...

    Riset ini berdasar dari eksperimen pribadi dengan keterbatasan hardware yang dimiliki. Silakan untuk bereksperimen dengan perangkat2 ponsel yang lain yaaaa...

  3. Blogger aripware said,

    Sunday, July 29, 2007 10:23:00 PM

    Makasih infonya om.... :)

  4. Anonymous Anonymous said,

    Saturday, November 24, 2007 6:24:00 PM

    I have gone right upto the modem seup Ok. But when I query the modem it dont show anything though it recognise the modem and initialize it . Will u plz tell my why it is? Mine is also connected with prolific cable.

  5. Blogger Eko Wahyudiharto said,

    Monday, November 26, 2007 8:25:00 AM

    How can you said that the modem was recognized? What did the dmesg told? It must be something happened during link initialization & that's why the modem installed inproperly.

  6. Anonymous Anonymous said,

    Monday, January 28, 2008 6:14:00 PM

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  7. Anonymous Anonymous said,

    Thursday, June 26, 2008 2:29:00 PM

    I am using CDMA fixed phone ZTE
    WP805A. When dmesg is run, it displays like "full speed USB................." but doesnt shows the modem even it is pluged in to the USB port. Please, Linux expert, help me to connect to the internet. I am using Fedora 8. In windows XP, It works fine

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