What is the full form of STD or what is STD, if you are looking for the answer to this question then you are absolutely right because you have heard this word many times before but after all what is the full form of STD is very less Only people know. First of all, let us know that STD is related to telephone. We all know that it is used to talk to a person from one place to another, now we are going to tell you the whole of STD. Now we will get information about what the name is.
STD Full Form
The full form of STD is Subscriber Trunk Dialing in English which is also called subscribe trunk dialing in Hindi. But apart from this it is also called subscriber toll dialing in English and subscriber toll dialing in Hindi.
History of STD
To give information about what is the full form of STD, after giving it, now we will know about STD history. Like when did it start and who started it.
Std is a telephone system that allows trunk call dialing without an operator. It was first introduced in London or the United Kingdom. It was first used on 5 December 1958 by Queen Victoria of London to Edinburgh from Bristol to the King of Scotland, who was the capital of Scotland, with the help of STD, a person could be dialed straight away. This was the latest and amazing invention of the telephone world at that time only after this system gradually became famous. It took 21 years for this service to be fully implemented, by 1979 almost all countries started using std. Meanwhile, in 1963 London to Paris was first talked about, without any operator, the system was called ISD, which we can also call international subscriber dialing, but to use this system all the places needed a code so that someone The person can easily contact any person in that area.
Number plan
After STD, all cities were issued a 3 digit code, which were used for calling only in the same city.
- London 01
- Birmingham 021
- Edinburgh 031
- Glasgow 041
- Liverpool 051
- Manchester 061
To call anyone using these codes, the code of that area had to be dialed before the telephone number.
So friends, by now you must have known what STD means and it works. STD was not very popular in its early days, but gradually it got used over time and it made a distinct identity in the world. At one time STD was quite popular because mobile was not invented at that time and mobile companies were not so active. Mobile handsets were also very expensive as the invention of mobile or its modification is becoming popular. The popularity of mobile is increasing twice as fast as it has decreased, due to which the popularity of STD has reduced to a great extent.
Very few people use telephones now, due to which mobile and mobile internet is used to a large extent, but still telephone is used in big offices, only that its existence was reduced to the invention of mobile Later, we heard the name of 2G, 3G and 4G many times, but very few people know that they used to run all mobile 2G technology before Smart Phone, it is also called 2nd Generation. The use of STD did not stop even after the arrival of the 2nd Generation, but as the popularity of 3G and 4G increased because the internet speed of mobile was very fast and the voice also came very well. People had become accustomed to internet now. Telephone is used in some selected places, people have become accustomed to the Social Networking Site nowadays, so that there is no need to call them anymore because chatting on these websites also has the option of an SMS It is always and is very user friendly. That is why nowadays people are chatting only instead of calling, through that, sitting at home in any corner of the world can chat and video in smart phones. There are chatting TV options in which one can talk and see each other, yet telephone is used in the markets, but there is no use of STD even from one telephone to another. Ulr are connected to the phone.
