Howto install and use usb modem, as example “mts connect”, in debian linux

In my company is very common to use “fast” internet from MTS under the brand “MTS Connect”. Probably the most stable 3G internet in Ukraine. This is not a PR for the MTS, it is a personal experience.

# uname -r
2.6.32-5-amd64

STEP1
Connect USB modem to pc and check dmesg:

# dmesg  | grep usb
[ 8864.076082] usb 5-2: new full speed USB device using uhci_hcd and address 5
[ 8864.239181] usb 5-2: New USB device found, idVendor=16d5, idProduct=6502
[ 8864.239192] usb 5-2: New USB device strings: Mfr=1, Product=2, SerialNumber=0
[ 8864.239199] usb 5-2: Product: AnyDATA CDMA Products
[ 8864.239204] usb 5-2: Manufacturer: AnyDATA Corporation
[ 8864.239557] usb 5-2: configuration #1 chosen from 1 choice
[ 8864.245438] usb 5-2: GSM modem (1-port) converter now attached to ttyUSB0
[ 8864.247357] usb 5-2: GSM modem (1-port) converter now attached to ttyUSB1
[ 8864.249343] usb 5-2: GSM modem (1-port) converter now attached to ttyUSB2

If modem was found, go to STEP2.

If there are nothing found, try to check option module in the Linux Kernel:

# modprobe -l | grep option
kernel/drivers/usb/serial/option.ko

If you do not find it, try to load module:

# modprobe option

(If you get an error, you need to build the kernel with this module. cd /usr/src/linux; make menuconfig; etc..)

STEP2
Next, I use wvdial (PPP dialer with built-in intelligence):

# apt-get install wvdial

Configuration for MTS connect (/etc/wvdial.conf):

[Dialer MTS]
Init1 = ATZ
Init2 = ATQ0 V1 E1 S0=0 &C1 &D2 +FCLASS=0
Phone = *99#
Stupid Mode = 1
Baud = 460800
Modem = /dev/ttyUSB0
ISDN = 0
Username = mts
Password = mts
Auto Reconnect = 1
Carrier Check = 0

Try to connect:

# wvdial MTS
--> WvDial: Internet dialer version 1.60
--> 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
--> Modem initialized.
--> Sending: ATDT*99#
--> Waiting for carrier.
ATDT*99#
CONNECT
~[7f]}#@!}!}!} }5}"}&} } } } }#}%B#}%}%}&m+}+}%rP~
--> Carrier detected.  Starting PPP immediately.
--> Starting pppd at Mon Sep 13 20:47:45 2010
--> Pid of pppd: 12841
--> Using interface ppp0
--> pppd: [1e][7f]
--> pppd: [1e][7f]
--> pppd: [1e][7f]
--> pppd: [1e][7f]
--> pppd: [1e][7f]
--> pppd: [1e][7f]
--> local  IP address 77.52.41.249
--> pppd: [1e][7f]
--> remote IP address 80.255.77.17
--> pppd: [1e][7f]
--> primary   DNS address 80.255.64.23
--> pppd: [1e][7f]
--> secondary DNS address 80.255.64.24
--> pppd: [1e][7f]
^CCaught signal 2:  Attempting to exit gracefully...
--> Terminating on signal 15
--> pppd: [1e][7f]
--> Connect time 0.3 minutes.
--> pppd: [1e][7f]
--> pppd: [1e][7f]
--> Disconnecting at Mon Sep 13 20:48:04 2010

Tested on AnyData ADU-510A and ZTE AC5710

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coded by nessus