1. The evolution of telephone

2. The earliest moot of telephone
Innocenzo Manzetti was an Italian inventor born in 1826.
Mooted the idea
of the telephone
in 1844.

3. The first phone call
The very first phone call was made on March 10, 1876 by Alexander Graham Bell. "Watson, come here. I want you.“
 Alexander Graham Bell is credited with inventing the first practical telephone
- By today’s standards the call was a short call over a short distance.

4. Telephone - the progression of great invention
1939
World War II
-1943 world's first portable two way radio
Telephone - the progression of great invention

5. ’’Mobile telephone’’ 1946: first mobile phone call
A trucker with one of
the first mobile phones

6. 1947 Microwave radio transmission
1949  Model 500 telephone
1956  First telephone cable
between North America and the UK
1963: first publicly available
push-button telephone

7.  1968 First 911 call is made!
1970 Automatic call handoff system is invented

8. FINALLY! First portable cell phone
1973  First portable cell phone call is made
The completed product 1982:

9. The change of era First NOKIA: (Analog) Mobira senator:
-1990: Digital 2G phone system was created

10. Cellphones
1990s, the second generation 2G mobile phone systems emerged, primarily using the GSM standard and digital instead of analog transmission that made it faster
The first GSM network arrived in Finland in The 2G phone introduction was a step toward lighter gram mobile phones.

11. text messaging
The 2G introduced a new variant of communication, the SMS (text messaging). The advent of prepaid services in the late 1990s soon made SMS the communication method of choice amongst the young.
2G also introduced the ability to access media content on mobile phones. In 1998 the first downloadable content sold to mobile phones was the ring tone, launched by Finland's Elisa.

12. 19902012

13. 3G (2001)
The 3G technology is the use of packet switching rather than circuit switching for data transmission. In addition, the standardization process focused on requirements more than technology (2 Mbit/s maximum data rate indoors, 384 kbit/s outdoors, for example).

14. 3G cellphones

15. sources http://gizmodo.com/357895/the-analog-cellphone-timeline