Have you got a problems to GPRS / GSM / CDMA modem installation? And you will use it to Internet broadband connection or SMS Center. So you can try this way

  • Plug the USB Modem in
  • Detect it. See in /var/log/message. Are there usb log detected?
  • Find the Bus Device
    with root mode, please type:lsusb

    root@bimosaurus:~# lsusb
    Bus 004 Device 001: ID 0000:0000
    Bus 003 Device 001: ID 0000:0000
    Bus 003 Device 001: ID 12d1:1003
    Bus 002 Device 001: ID 0000:0000
    Bus 001 Device 001: ID 0000:0000

    You can see the different ID, and you has detect it

  • Load the Module

    root@bimosaurus:~#modprobe usbserial vendor=0x12d1 product=0x1003
    Dont forget to include the hexa what you get from lsusb
  • Check it from dmesg. If you can see the attach device as ttyUSB0 ttyUSB1, you have success to detect device
    root@sms:~# dmesg |tail
    usb.c: registered new driver serial
    usbserial.c: USB Serial support registered for Generic
    usbserial.c: Generic converter detected
    usbserial.c: Generic converter now attached to ttyUSB0 (or usb/tts/0 for devfs)
    usbserial.c: Generic converter detected
    usbserial.c: Generic converter now attached to ttyUSB1 (or usb/tts/1 for devfs)
    usbserial.c: USB Serial Driver core v1.4
    usb.c: USB disconnect on device 00:03.1-1 address 2
    usbserial.c: Generic converter now disconnected from ttyUSB0
    usbserial.c: Generic converter now disconnected from ttyUSB1

    • You can use this way in : Billionton, Wavecom, Vodafone, ZTE, Huawei etc. Telkomsel Flash, IM2 modem include product also can use this way.