AT command using picocom

http://en.wikipedia.org/wiki/Mobile_Directory_Number
http://en.wikipedia.org/wiki/IMSI
http://en.wikipedia.org/wiki/MSISDN
http://en.wikipedia.org/wiki/Motorola_Phone_AT_Commands
http://winnielee0204.blogspot.com/2008/10/3gpp-specification.html
http://blog.xuite.net/itsuki/blue/8930143
http://doc.trolltech.com/qtextended4.4/atcommands.html
http://wiki.openmoko.org/wiki/Hardware:AT_Commands


Take huawi E220 for example, using typing at+command:


at+cgmi
huawei
OK

at+cgmm
E220
OK

at+javascript:void(0)cgmr
11.116.04.01.00
OK

Press Ctrl+A+X to quit.

Some useful info are MDN, MIN/IMSI, MSISDN, IMEI...

3GPP AT command SPEC:
27.005 Equipment (DTE - DCE) interface for Short Message Service (SMS) and Cell Broadcast Service (CBS)
27.007 AT command set for User Equipment (UE)

[Note]
http://en.wikipedia.org/wiki/Hayes_command_set
http://www.shapeshifter.se/2008/04/30/list-of-at-commands/
[Note2]20100608
http://fred-zone.blogspot.com/2009/07/gsmgprshsdpa-modem.html