*************C1100,C1200,C1300,C1400,B2100,LG40xx,LG70XX  ,L11XX pinout************************************************
Клавиатура 
24.............1
3,12,19,23 - GND
13         - RX (data to phone)
14         - TX (data from phone)
6          - via 10 kOm resistor to +5V  
http://pinouts.ru/CellularPhonesCabl...g_pinout.shtml
http://pinouts.ru/CellularPhones-A-N...p_pinout.shtml