Invited to answer questions in this industry.

　　Fixed telephones, especially public telephones, are often seen in developed countries, but they are not common in China now. In fact, the communication industry in China has developed rapidly and spanned many stages. In addition, there may be some unsatisfactory reasons leading to this phenomenon.

　　This time may be a long time, and many young people may not have experienced this era. At one time, there were still many public telephones in China Telecom and China Netcom, but they were basically cards. However, it is a great pity that many public telephones have been destroyed and the maintenance cost is too high. In fact, both Telecom and Netcom have lost a lot in this area.

　　China's mobile communication can be said to have developed rapidly, from expensive mobile phones to mobile phones, and then the price of mobile phones has dropped rapidly, and the phone bill has dropped rapidly. This process is a very short time.

　　China has the highest mobile communication coverage in the world, or even none. China has a large area, but the three major operators are state-owned, so the requirements of the Ministry of Industry and Information Technology for building base stations can be said to be cost-free. Throughout China, most areas, even remote rural areas or mountainous areas, can use mobile phones to make phone calls, which makes China's fixed-line and public telephones quickly replaced.

　　All kinds of communication systems in the world, whether it's 2G GSM or CDMA, 3G WCDMA/EVDO/TDSCDMA, 4G TDLTE and FDDLTE, are all in China. At present, more than 70% of the base stations in the world are located in China, which is a powerful embodiment of the mobile communication field in China.

　　In fact, many people are selling themselves short. I have also been to some countries, and many of my classmates and relatives have emigrated to developed countries in Europe and America. From my own experience and chatting with them, we can know that the wireless network coverage in Europe and America is very poor. There are many blind spots in urban areas, and many residential areas have no signals. Without a signal, you can't use a mobile phone, so you can only use a fixed line.

　　As far as mobile communication is concerned, in fact, China is very developed, which is also the envy of many developed countries. Although the three major operators have been spit out by various means, they should be praised from this point of view.

　　In a word, fixed telephones and public telephone booths are very common in Europe and America. In fact, they are not developed, but they are too backward in mobile communication. In this respect, China can completely crush them.

　　I'll answer that. I just photographed it.

　　I won't talk about the popularity of mobile phones. I'll talk about what those public telephones look like now.

　　This is a public telephone booth in Wuhan

　　See this pay phone? There are buttons on the back, but this public phone has been abandoned.

　　Because everyone uses mobile phones now, they used to use 301 cards to make public calls, that is, plug-in phones, but now they are all sold out. How to make calls?

　　But do you see some lines on the back? Can you guess what they are for?

　　These are actually used to charge new energy vehicles!

　　I don't know who came up with this. It's very creative. In fact, I thought about how to use these abandoned public telephone booths early in the morning. After all, this thing takes up space, but I didn't expect it to become a charging station for new energy vehicles.

　　New energy vehicles are the most in cities, but not many in rural areas. What are you most afraid of driving new energy vehicles? I am most afraid of no electricity. Gasoline vehicles can run with gasoline, and new energy vehicles need to be continuously charged.

　　These telephone booths are all over Wuhan, everywhere. I guess other cities in China are almost the same.

　　There is no need to transform all telephone booths into charging stations at all. It is more than enough to transform some of them, and the cost of transformation is not high. The old lines have already been taken, and only the communication lines need to be replaced by wires, and there is no need to occupy more space. Kill three birds with one stone.

　　The country has been promoting new energy vehicles, and supporting infrastructure is needed to promote new energy vehicles. If there is no charging station, even the best new energy vehicles will be difficult to move. I don't know if other cities have modified them in this way. The old telephone booth is abandoned, so don't take it.

　　I hope other cities can also promote charging stations in the way of Wuhan.

　　This involves a very grand background of the times, that is, we have achieved the popularization of mobile phones in communication engineering. When Europe and the United States are still upgrading fixed-line telephone services, we have achieved leap-forward development, and we have directly omitted the step of fixed-line telephone before the public has popularized it.

　　Some friends go to some rural areas in Europe and America, and the cell phone signal is zero. They are excited to clap the scenery, but they can only send it out when they return to the prosperous areas. At first, these people thought it was not bad to escape from the noisy online world. As a result, once there was a situation, they could only look for fixed telephones everywhere before they could contact the outside world. Besides, there was no express delivery, online ordering and booking. At this time, they were dumbfounded and vomited "all evil information * this * main * meaning".

　　People who often go to developed countries will find that they still keep pay phone booths, which have voice mail boxes and phone books, but only phone numbers and no addresses. A slightly better telephone booth may be a closed space, and a nearly better telephone booth is a pay phone.

　　In fact, there are not only telephone booths, but also most of them pay in cash and credit cards. In addition, paper media are still there, take-out is rare and expensive, and many people still have big mailboxes at the door, and mobile phone applications are not so easy to use. The most important point is the mobile phone signal. Once you are out of the core area of the city, whether you can get online or not depends on the high point.

　　All this is actually for two reasons:

　　Too few base stations; Mobile phone application development is slow.

　　At a deeper level:

　　1, that is, the original fixed-line telephone providers are all private enterprises, and they will certainly hinder the popularization of mobile communication. For example, they will refuse to enter mobile communication facilities on the grounds of maintaining users' usage habits; It will also vomit the price of mobile communication.

　　2. In order to popularize mobile phones, we must first popularize base stations, but their mobile companies are all private enterprises. Because each base station can only cover enough people, it can recover its cost, so they are unwilling to invest in building base stations on a large scale or upgrading base stations.

　　3. Efficiency.

　　There are too many procedures to go through, and mutual constraints sometimes occur. You know, developed countries have the problem of complicated procedures. In addition, the technology and efficiency of the engineering team are also problems.

　　4, our mobile phone signal coverage is very extensive, whether you are a first-tier developed city or a fourth-tier remote town, or a poor place, there are signals. Besides, 2, 3, 4 and 5G are available. It can be said that mobile phones can access the Internet, but they really can't, because the cost of doing so is sky-high in their mode, and the price provided to consumers is also high, which directly destroys consumers' desire to use mobile phones.

　　For example, voice calls in a certain tone and video chat on mobile phones can only be done in urban areas. They can't imagine that we can pull a string for a country child alone.

　　Summary:

　　For the above reasons, many foreign residents can't use their mobile phones even if they have them. They can only use them for taking pictures and storing them. Because there is no signal at all in his area, they still choose telephone booths or public telephones to make calls.

　　With the popularity of intelligent mobile phones, there are only a handful of public telephone booths that used to be all over the streets.

　　Back in 1982, with Beijing as a pilot, the first batch of coin-operated public telephone booths were put into operation. The reason why there will be a public telephone booth is that the mobile phone is not popular and the landline is not portable, so there is a public telephone booth.

　　When the public telephone booth was just popularized, it was once well received. Even in today's TV and movies, the telephone booth is regarded as a symbolic product of that era. However, with the popularity of smart phones, there are fewer and fewer telephone booths.

　　First, because after the popularity of smart phones, basically everyone can afford it. In the past, when using public telephone booths, Ic cards had to be used. Nowadays, there are few places to sell Ic cards, and there is no place for public telephone booths.

　　Second, because of the high maintenance cost and low income, compared with the past, a single telephone booth, from input to use, the intermediate labor cost and material cost, add up to more than 10 thousand yuan. However, after a year, dozens of dollars may not be collected.

　　▲ Not domestic.

　　Third, citizens lack awareness of maintenance. Although telephone booths are rarely used, they have become a paradise for small advertisements. Many new telephone booths are covered with all kinds of psoriasis as a result. In some places, telephone booths have been stolen.

　　Due to the above reasons, it is difficult for us to see the use of telephone booths in China. On the other hand, why do they still use telephone booths abroad? Is it because we are more developed than them?

　　In many foreign film and television dramas, we can often see the use of telephone booths. For example, a Korean movie "Sniper Phone Booth", the whole process of the whole movie was completed in a phone booth. From small to big, it can be seen that foreign telephone booths can still be used.

　　However, the use of telephone booths in different countries is different, and the purpose of setting them is different. Here are some representative countries.

　　Japan-set up for the elderly! In Japan's electric and subway stations, you can often see all kinds of public telephone booths. Compared with the popularity of mobile phones, Japan is not lower than China, and so many telephone booths in Japan are mainly designed for the elderly.

　　▲ Japanese public telephone booth

　　As we all know, as a country with a serious aging, many elderly people in Japan are not used to carrying telephones with them, and public telephone booths have become emergency places. In addition, Japan is a country with many tsunamis and earthquakes. When a natural disaster occurs, you can use a telephone booth for emergency when the mobile phone base station is damaged.

　　Europe-for the poor! Although most countries in Europe have high welfare, many homeless people can be seen in the streets and lanes. Because homeless people have no fixed address, and they have no money to pay for mobile phones or mobile phone cards, and sometimes they need to make calls, telephone booths can play a role.

　　But then again, driven by the wave of science and technology, the proportion of telephone booths is decreasing. The function of the telephone booth has also changed from the original call to a kind of "decoration", and many countries have creatively transformed the telephone booth.

　　For example, in France, they transformed the telephone booth into an open-air aquarium for others to watch. Designers in Sao Paulo, Brazil, turned the telephone booth into a street decoration. A designer in the Netherlands turned the telephone booth into a mobile smoking booth.

　　For example, in London, South Africa and other countries or regions, they changed the telephone booth into a WiFi hotspot. Another example is Berlin, Germany, which changed the telephone booth into a public bookstore to provide second-hand book service for the surrounding community.

　　From the use and improvement of telephone booths in so many countries above, it can be seen that the use of telephone booths in western countries reflects more humanistic care. Does this have any implications for the use of telephone booths in China? Of course there is.

　　For example, the telephone booth in Wuzhen Scenic Area has been transformed into a sink. For example, some telephone booths in Huzhou area have been changed into tools to promote green ecology. For example, some telephone booths near schools have the function of printing street photos.

　　To sum up, there are more telephone booths in foreign countries than in China, not because they are advanced or not, but mainly because of humanistic care. Of course, it's not that we don't have humanistic care in China. It's just that there is less publicity in this area, so people naturally know less.

　　This is because the development of wireless communication in western developed countries is slow, and its network infrastructure construction is even more unsatisfactory. Therefore, they also need to keep the fixed telephones and public telephones that are out of date in China.

　　After the world entered the era of 4G network, the mobile communication technology of these western countries generally lags behind that of East Asia and some Southeast Asian countries, which has fallen behind the development of the times, and is even more incomparable with that of China.

　　Why do you only see people reading newspapers and magazines on subways or buses in those western countries, but no one reads mobile phones? That's because there is no WIFI signal in the car! They can't use their mobile phones.

　　Since mobile communication entered China, China has been strengthening the construction of network infrastructure. By the time of 4G, the mobile network has spread to the vast rural areas of towns and villages all over the country. Basically eliminated the fixed telephone. Therefore, there are basically no fixed telephones and street toll booths in the streets and alleys of China. Now China is upgrading from the 4G era to the 5G era, far ahead of the developed countries in Europe and America.