[Statement: Part of the content comes from the Internet. If there is any infringement, please contact to delete it]
On August 31, 2020, the official website of the Ministry of Industry and Information Technology issued the "Administrative Regulations on Communication Short Message and Voice Call Services (Draft for Comment)" (the "document"). Any organization or individual shall not send commercial short messages or make commercial calls without the user's consent or request, or the user expressly refuses.
It requires that no commercial short messages can be sent without the user's consent.
This time, I am afraid that more than 40 billion SMS market will undergo a radical change.
SMS People Network
In China, since 1998, China Mobile, China Unicom and other operators have begun to expand their short message services
on a large scale. In 2000, the volume of Chinese mobile phone short messages exceeded 1 billion in
2001, reaching 18.9 billion in
2004, soaring to 90 billion in
2011 , Tencent Guangzhou R&D Center launched the "WeChat" mobile phone application, WeChat is also regarded as the "terminator" of SMS.
However, until now, text messages are still alive and well even though they are not as good as they were in 2012.
After 2013, it has experienced a continuous decline period of three to four years.
But after 2017, it started to grow again and exceeded the glorious period of 2012 and 2013.
According to statistics, there were 700 billion SMS messages sent nationwide in 2017.
This is equivalent to receiving 500 text messages a year per person in China, that is, at least one message per day.
Moreover, in recent years, the number of short messages has increased.
In 2019, the national mobile SMS business volume increased by 37.5% over the previous year, and the growth rate was 23.5 percentage points higher than the previous year.
Why grow? Why was it stopped? It goes without saying.
For a technology 28 years ago, the SMS business has a profound impact on the development of the Internet of Things business, and it also contributes its value to the Internet of Things. Today, when the Internet of Things realizes Superman, what will the SMS business have on the Internet of Things? opportunity?
SMS Internet of Things
Today, when 5G shines, short message service has rarely been mentioned in the field of Internet of Things. This is because some shortcomings of short message do not meet the application of Internet of Things.
1. Success rate
The mechanism of SMS is store and forward, that is, the sender does not confirm the status of the receiver when sending a message. The so-called "send successfully" means that the short message has been successfully submitted to the short message center. As for whether the other party is powered on, whether the signal is covered, and when it was received, there is no way to know whether the short message service is connected from end to end. In practical applications, a 100% success rate cannot be ensured due to reasons such as terminal status, wireless environment, and low system error.
2. Delay problem.
Once a logistics company used the "GPS + SMS" method for vehicle scheduling, a vehicle sent a message stating that it was in Nanjing Gulou Square. The vehicle monitoring center immediately contacted him for work, but the driver said it was several kilometers away. This is caused by the SMS delay.
3.
In the early stage of the development of the Internet of Things, operators have invested heavily in the Internet of Things. Under the KPI, the lower limit of the Internet of Things card tariffs is constantly refreshed. Through the long connection method, the connection can be guaranteed and the delay problem can be solved. Don't worry about high fees.
Some people may ask, under the shortcomings of the SMS service, are there still IoT devices using the SMS function? The answer is yes
1. The old industry’s default specification was
in the GPRS era. Because of communication instability or the breakdown of the device management platform (the customer’s request is that the device management platform and the SMS management platform are not on the same platform), the reserved SMS controls the device Functions, but the default specifications in the industry have not been updated. These industries are mainly concentrated in industries such as industry, electric power, and mining equipment. They need to control equipment in emergency situations under the premise of unstable communication or unstable platform.
2. The server
crashes. At this stage, some of the above customers have realized that the communication instability problem can be solved with other solutions, but it is still necessary to prevent the device management platform from crashing, so it is necessary to reserve the SMS function to control the device (the customer's request is device management The platform and the SMS management platform are not on the same platform)
Others may ask, in addition to the above, in the long run, is there any opportunity for the SMS business in the Internet of Things? The Internet of Things has the characteristics of scene fragmentation. Based on the characteristics of the SMS service, we can analyze which Internet of Things scenarios, SMS is still trustworthy.
1. The SMS sending mechanism
wakes up the device: When the device sleeps, the server cannot actively connect to the device. After the device wakes up, it actively initiates the connection and allocates an IP address and certain network resources before information can communicate. The SMS solution is to manage both the platform and the terminal. You can initiate a connection (only a number is required, no IP address is required)
2. Network congestion
With more and more IoT devices, the base station carrying capacity in the hotspot area is also online. Network congestion and other reasons will cause the device to be abnormally offline, and SMS The network is different from the data, so when the data transmission is blocked, the SMS will be delivered even if it is delayed.
3. Power consumption
The transmission power of short messages is lower, and the sending mechanism also saves electricity.
4. Cost
The wireless resources and IP address resources occupied by the short message service are small. In the case of a general increase in tariffs, the IoT short message service will have a lower cost
Summary: The core advantage of SMS is the ability to be delivered in various situations. As an aid to data traffic, it is suitable for scenarios where information needs to be reported in time when sleeping or waking up, such as security alarms, fire alarms, and geological disaster prevention and control. , Flood prevention and drought resistance monitoring, bridge and tunnel safety monitoring and other IoT scenarios.
The SMS capability of the Internet of Things is based on the Internet of Things card, and the SMS function can be added when handling the Internet of Things card. However, unlike the Internet of Things SMS service, which is end-to-end, the Internet of Things SMS service is end-to-platform. If the SMS function is required , Also need platform support.
If you are interested in IoT applications with SMS function!
Or you have a unique insight into the SMS function!
Welcome to leave a message, we will discuss together!
