rebstech

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
• Detect it. See in /var/log/message. Are there usb log detected?
• Find the Bus Device
  with root mode, please type:lsusbexample
  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=0×12d1 product=0×1003
  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@bimosaurus:~# 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.