Disclaimer: Answer is purely theoretical as i don't own such an hardware.
- Open Terminal (ctrl+alt+T)
- type: sudo apt-get install wvdial Type your password and Press y when promted
- gksu gedit /etc/wvdial.conf
- Copy paste text below. Save. Close gedit
[Dialer mts]
Stupid Mode = 1
Inherits = Modem0
Password = MTS
Username = internet@internet.mtsindia.in
Phone = #777
[Modem0]
Init1 = ATZ
SetVolume = 0
Modem = /dev/ttyUSB0
Baud = 115200
FlowControl = Hardware (CRTSCTS)
Dial Command = ATDT
Type sudo wvdial mts in terminal when you want to connect to internet. You could consider making a script file for automatic and easier connection.
Here is a link explaining how to connect using a MTS MBlaze:
http://nikhilbhardwaj.in/2012/05/06/mts-settings-for-ubuntu-12-04/