The first publicly demonstrated two-way video call was on April 9, 1930. It was a call between AT&T's Bell Laboratories and AT&T headquarters using early television equipment. Getting from there to Zoom took a long time, though, mostly because early versions of the video call required both parties to own ultra-expensive equipment that provided really awful picture quality.

AT&T spent the better part of the 20th century on failed videophone model after failed videophone model, eventually concluding that "people did not want to be seen on the telephone." How quaint.

• Some advantages of mobile phones are that they are portable and that they keep phone numbers so they don't have to be memorized.
• Ability to make phone calls while away from a land-line phone.
• It can be used as a mp3 player, instead of carrying around your mobile and your ipod or what ever type of music thing you have.
• you can have easy access if you need to call someone right away

  you are able to have calendars and email and the Internet on the phone

• There are so many advantages of mobile phone on the human life like connecting people ,GPRS, net surfing etc
• You can use a mobile phone any time any where.

• it costs money
• if you lose it, that's really bad
• if it breaks, you lose all of your information
• they can get lost easily and they need to be recharged.
• Some disadvantages of mobile phones are that they aren't attached to the wall, so they can get lost, and they need to be recharged.In addition it causes health problems and it distracts pupils from their duties
• Having to answer inconvenient phone calls, i.e., from your boss.
• You can lose signal in different places depending on how close you are to signal things.
• pushed people apart from each other e,g instead of going to see the parents just call them and one does not need to go and see them so just to find out 'how are you' is not enough.

Alexander Graham Bell, a Scottish-born inventor, scientist, philanthropist and teacher of the deaf is the person most widely credited as the inventor of the electric telephone. On March 7th 1876 he became the first to receive a patent for this device, and at that time resided in Salem, Massachusetts.

Alexander Graham Bell conceived of the telephone at his summer home in Brantford, Ontario and physically created his first phone in Boston, Massachusetts (where, he said, it was 'born'). This was a result of his research into improving the telegraph system. Bell was experimenting into improving the telegraph system so that multiple messages could be sent at the same time (his theory of the 'harmonic telegraph' was based on the principle that several messages could be sent simultaneously along the same wire if the different telegraph signals each had a different pitch). However at the same time he began working on the novel idea that speech could be transmitted electronically, as he accidentally discovered that the sound of a spring being twanged could be heard over his harmonic telegraph system. Almost a year later in March 1876 Bell uttered the first famous words into the device to his assistant in the next room: "Mr. Watson, come here -I want to see you".

A young black man, Lewis Lattimer, was employed as a draftsman by the patent law firm that Alexander Graham Bell used, and contributed to Bell's patent drawings. Lattimer become a successful inventor in his own right.

As with many other important technological devices, several people often worked on and independently created the same, or similar devices in the same general time period -an example being the modern navigational quadrant or sextant. While Bell was the first to receive a patent for the telephone, several others preceded his research and credit for inventing the electric telephone remains in dispute.

Despite the claims of those defending Alexander Graham Bell, its been suggested that both Antonio Meucci and then Elisha Gray successfully invented telephones in the United States before Alexander Graham Bell did in 1876. Some of the others who performed pioneering experimental work with electrical voice transmissions over wires included Thomas Edison, Innocenzo Manzetti, Charles Bourseul and Johann Philipp Reis.

Ironically in 2001 the United States Congress passed a 'resolution' stating that given all the facts of the patent disputes between Gray and Bell, under no terms could Alexander Graham Bell have been awarded the patent for the telephone by the United States Patent and Trademark Office in 1876. However that Congressional resolution by itself served only as a declaration, and did not annul or modify the patent Bell received in 1876. The 2001 resolution was also subsequently followed by another legislative declaration upholding Bell's priority and his status as inventor of the telephone.

The person who first successfully 'patented' the telephone was indisputably Alexander Graham Bell, however given what we currently know, earlier inventors of 'telephone-like' devices may have been Meucci or even others before him.

Interestingly, the commercialization of Alexander Graham Bell's telephone was actually performed by several independent businesses which eventually created the 'Bell System' (and later AT&T), to which 'Alec', as he preferred to be called, participated very little in. Alexander Graham Bell, who went on to become an eminent scientist, inventor and humanitarian, considered the telephone to be an intrusion into his real work and refused to have one in his study.

Differing Opinions

According to an article in the UK Guardian in 2002, Bell did NOT invent the telephone. The article claims that Italian-American Antonio Meucci is the true father of modern communications. See the Related Link section below to read the complete article.
Alexander Graham Bell invented the modern telephone after years of working with the deaf. His studies in sound led to a contract to develop an "acoustic telegraph" and his first working model used a liquid transmitter that was later discarded. Thomas Edison made some improvements over the telephone that improved the clarity of the sound, most notably the carbon microphone.
graham bell
Alexander Graham Bell
Alexander Graham Bell patented a telephone in March, 1876. Others had experimented with the transmission of speech over wires since the invention of the telegraph.

Bell used a vibrating diaphragm (microphone) to control the flow of electricity through a wire, such that when the electric flow reached a coil at the other end of the phone line, the coil vibrated another diaphragm (the speaker) in exactly the same pattern. This was efficient within the frequencies of human speech, and later, more precise microphones were able to recreate recognizable voices.
Alexander Graham Bell is considered the inventor of the telephone in the USA, Canada, and Scotland,

other countries that had no historical affiliation with him tend to look for possible inventors of their own ethnic background or their own country as THE inventor of the telephone
Alexander Graham Bell. :-)

He invented the telephone trying to improve hearing conditions and limitations of


Blind people such as his mother.


Hope I helped! ~WonX~
Alexander Graham Bell
Alexander bell
Alexander Graham Bell
It was Alexander Graham Bell on March 10, 1876.

• Mrs. Bell was deaf and Mr. Bell was always trying to help those who could not hear. The telephone was one of his attempts to create a device for the deaf, to assist their ability to hear.
• Alexander Graham Bell invented the telephone so that people can communicate with other people anywhere in world.
• To facilitate verbal communication over long distances.
• He invented the telephone because he is an inventor and he wanted to find a way how to communicate with other people apart from talking to them face-to-face.
• Previous communication technology was limited to the telegraph. The telegraph was inefficient because it relied on Morse Code to relay messages. Only a few trained professionals were taught Morse Code, and not everybody could translate with it. Whereas a telephone would allow people to speak directly to one another without a step in-between. Bell sought to solve this problem.
• There is a report that says that Alexander Graham Bell invented the phone to help his few family members as they suffered from hearing problems. But at the same time his father in law did not agree with it. He said it was a toy, that no child would be interested in.
• He decided to invent it because he was inspired to create the telephone, although his version didn't work and someone else's did. Thing is is that he patented it first. But he didn't actually make a fully functional one.

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Alexander Graham Bell conceived of (invented) the telephone at his summer home in Brantford, Ontario in the summer of 1876, and then later physically created his first telephone in Boston, Massachusetts (where, he said, it was 'born').
Alexader did on march 10th 1876
The first telephone was invented by Alexander Graham Bell in Boston
WHERE WAS THE TELEPHONE BUILT AT?

Alexander Graham Bell conceived of the telephone at his summer home in Brantford, Ontario and physically created his first phone in Boston, Massachusetts (where, he said, it was 'born'). This was a result of his research into improving the telegraph system. Bell was experimenting into improving the telegraph system so that multiple messages could be sent at the same time (his theory of the 'harmonic telegraph' was based on the principle that several messages could be sent simultaneously along the same wire if the different telegraph signals each had a different pitch). However at the same time he began working on the novel idea that speech could be transmitted electronically, as he accidentally discovered that the sound of a spring being twanged could be heard over his harmonic telegraph system. Almost a year later in March 1876 Bell uttered the first famous words into the device to his assistant in the next room: "Mr. Watson, come here -I want to see you".

Alexander Graham Bell, a Scottish-born inventor, scientist, philanthropist and teacher of the deaf is the person most widely credited as the inventor of the electric telephone. On March 7th 1876 he became the first to receive a patent for this device, and at that time resided in Salem, Massachusetts.

A young black man, Lewis Lattimer, was employed as a draftsman by the patent law firm that Alexander Graham Bell used, and contributed to Bell's patent drawings. Lattimer become a successful inventor in his own right.

As with many other important technological devices, several people often worked on and independently created the same, or similar devices in the same general time period -an example being the modern navigational quadrant or sextant. While Bell was the first to receive a patent for the telephone, several others preceded his research and credit for inventing the electric telephone remains in dispute.

Despite the claims of those defending Alexander Graham Bell, its been suggested that both Antonio Meucci and then Elisha Gray successfully invented telephones in the United States before Alexander Graham Bell built his first one in 1876.

Earlier in 1831, Englishman Michael Faraday proved that vibrations of metal could be converted to electrical impulses. This was the technological basis of the telephone, but no one actually used this system to transmit sound until 1861. In that year, Johann Philip Reis in Germany is said to have built a simple apparatus that changed sound to electricity and back again to sound. It was a crude device and due to its design was incapable of transmitting many frequencies, consequently it was never fully developed.

Some of the others who performed pioneering experimental work with electrical voice transmissions over wires included Thomas Edison, Innocenzo Manzetti, and Charles Bourseul. Incredibly, both Bell's lawyer and Gray filed documents (Bell's lawyer a patent claim, and Gray a notice of a potential patent) on their designs on February 14, 1876, with Bell's application beating Gray's to the document examiner by only hours. Although Gray had built the first steel diaphragm-electromagnet receiver in 1874, he wasn't able to master the design of a workable transmitter until after Bell had. Bell had worked tirelessly, experimenting with various types of mechanisms, while Gray had become discouraged.

According to a famous story, the first fully intelligible telephone call occurred on March 6, 1876, when Bell, who had supposedly spilled acid on himself, called to his assistant in another room. "Mr. Watson, come here! I want to see you". Improvements followed rapidly. The first long distance telephone call was placed soon after between Brantford, Ontario, and Paris, Ontario. The first telephone exchange, a practical means of communicating between many people having telephones, was installed in Hartford, Connecticut in 1877, and the first exchange linking two major cities was established between New York and Boston in 1883. In 2002 the United States Congress passed resolution HRes 269 EH acknowledging the contributions of Antonio Meucci for his work in the telephone's development, stating: "That it is the sense of the House of Representatives that the life and achievements of Antonio Meucci should be recognized, and his work in the invention of the telephone should be acknowledged". Ironically this resolution has often being incorrectly misinterpreted as meaning that Meucci invented the telephone. However the congressional resolution did not state that he did, or state that Bell did not invent the telephone; it only served as a declaration on Meucci's contributions, and did not annul or modify any of the patents Bell received from 1876 onwards. The 2002 resolution was quickly followed by another legislative declaration in Canada upholding Bell's priority and his status as inventor of the telephone.

The person who first successfully 'patented' the telephone was indisputably Alexander Graham Bell, however earlier inventors of 'telephone-like devices' may have been Meucci or even others before him.

Interestingly, the commercialization of Alexander Graham Bell's telephone was actually performed by several independent businesses which eventually created the 'Bell System' (and later AT&T), to which 'Alec', as he preferred to be called, participated very little in. Alexander Graham Bell, who went on to become an eminent scientist, inventor and philanthropist, considered the telephone to be an intrusion into his real work and refused to have one in his study.

Further readings:

- for more information on Bell's personal life, his citizenship (although many Canadians claim him as an 'honorary' son since he lived in Canada for more than 37 years and died there as well, he was a U.S. citizen from 1882 onwards and wasnever actually Canadian), and his many other scientific and philanthropic accomplishments, see: Wikipedia.org: 'Alexander Graham Bell' and'Alexander Graham Bell honors and tributes'

- Charlotte Gray, "RELUCTANT GENIUS: THE PASSIONATE LIFE AND INVENTIVE MIND OF ALEXANDER GRAHAM BELL", HarperCollins/Phylilis Bruce, Toronto, 2006, ISBN: 0002006766, Dewey library code: 621.385092 Bell.

- for more information in the many other people who contributed to the electric telephone, see: Wikipedia.org:'History of the Telephone' and'Invention of the Telephone'
Alexander Graham Bell was born Scottish, but moved to, Canada at 23, where he started his work on the telegraph and telephone. He later received a job as professor at Boston University, and continued his experiments both at the university, and in Brantford, Ontario, at his family home. He opened his own school in Boston for training teachers of the deaf and was influential in disseminating these methods. In 1876 he became the first person to transmit intelligible words through electric wire "Watson, come here, I want you," at his laboratory in Boston.

Telephone was invented in Boston, Massachusetts.
The telephone was invented near Brantford, Ontario, in Canada. It was invented by Alexander Graham Bell in 1876. Please see the related link below.
The first telephone was created by Alexander Graham Bell on March 10, 1876 in Boston, Massachusetts, USA