A GSM cellular phone is a type of mobile phone that uses the GSM (Global System for Mobile) Communications to send and receive phone calls. GSM is a digital standard; first offered commercially in 1991 and is currently the most well-known cellular phone transmission technology in the world.
The GSM standard uses TDMA digital technology, which [...]

You are talking on your iPhone, you want to look for something and you realize that you need both hands. You hold the cellphone with shoulder and cheek. It can happen:
* You press a key that finishes the communication
* The cellphone falls to the floor
* You suffer a neck injury
Did it happen [...]

free cell phone: Most people couldn’t get by without their cell phones
. They have become a modern way of life. They are used to communicate in emergencies, or just to chat and catch up with friends. Parents use them to keep track of their kids, and kids use them to stay in touch with their [...]