Shadow Spy

Chapter 227 Conquering Telecommunications Engineers

No one in the office expected that Li Junhao would say this, and they were all stunned for a moment...

After Wu Yusheng was stunned, he hurriedly bowed deeply, hit his head on the coffee table, and said, "I'm sorry, Mr. Pan Sen, it's my fault! Please forgive me!"

Looking at Wu Yusheng with his head on the coffee table, Li Junhao shook his head and was speechless. This guy has been in China for five years, and he is still acting like this. Aren't he afraid of being discovered?But presumably he would hide these behaviors from others!

"Okay, get up!" Li Junhao said, "I can forgive you for what happened before; but I want to know, if I let you go this time, what will you do in the future?"

Wu Yusheng, who just raised his head, hesitated for a moment and said, "Mr. Pan Sen, I need help now! My wife is five months pregnant. I hope their mother and son are safe. I hope you can help me!" It was a head knocked on the coffee table, making a "dong" sound!
Li Junhao was so stunned by him that he turned around and looked at the other people in the circle room, but found no clues - everyone was waiting for his decision!

At this time, Li Junhao "saw" that on the detection radar in his mind, the color of Wu Yusheng's light spot in front of him was changing rapidly, from gray to green extremely quickly!Does this meet the conditions for subjugation?He was very surprised by this, but his first reaction was - get the red bottle!
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Half an hour later, Wu Yusheng, who had become one of his own, completely abandoned his Japanese identity and became a Chinese. He introduced to everyone the current situation of wired communications in the area, his experience and what he currently knows.

There are two telephone networks operating in Shanghai, namely the American-owned Shanghai Telephone Company and the former Chinese-funded but now Japanese-controlled Shanghai Telephone Bureau.

Shanghai-Hai Telephone Company is centered on the two major concessions, and its business extends to cross-border road construction areas and even the Chinese border. It has 9 telephone offices, namely:

Central Institute, No. 232, Jiangxi Middle Road, opened in 1910.5.

Lusheng Institute, No. 563, Lane 31, Jiangsu Road, opened in June 1926.6.

Hongqiao Institute, No. 1933, Hongqiao Road, opened in 1926.5. (It was closed after the August [-]th Incident and its business was merged into Lu Sheng Law Firm.)
West District Office, No. 230 Taixing Road, opened in March 1932.3.

North District Office, No. 556 Haining Road, opened in 1932.2.

Huishan Institute, No. 244, Changyang Road, opened in August 1931.8.

Bi Xun Institute, No. 61 Fenyang Road, opened in August 1931.8.

Minti Ni Institute, No. 106, Yunnan South Road, opened in December 1931.12.

Fujian Institute, No. 460, Fujian Middle Road, opened in 1931.9.

At present, Shanghai Telephone Company has a switching equipment capacity of 7 lines and nearly 6 users.

The Shanghai-Hai Telephone Bureau, headquartered in Huajie, Nanshi, has 7 offices, a switching equipment capacity of only 1 doors, and only more than 7000 users. Its business cannot enter the concession at all, and its influence is only one-tenth that of the Shanghai-Hai Telephone Company. one!

The Japanese noticed the communication system of the metropolitan city of Shanghai more than ten years ago. At that time, the telephone network was operated by the British-owned Telephone Company.After some preparation and operation, they sent many international students to Europe, including the young and intelligent Ida Sadahide.In the 33rd year of the Republic of China (1934), when Ida Sadahide was about to return to China after completing his studies, he was informed that he had to transfer to Shanghai to apply as a Chinese for the American Shanghai Telephone Company, which had taken over the telephone network...

Wu Yusheng recalled that he was sure that he was not the only Japanese among the people who applied for the job at that time, but he didn’t know how many people there were and how many of them were successful...

But one thing he is sure of: currently, he is the highest-ranking spy in the telephone company - because the holders of positions above him are all orthodox Americans!
This was noted by everyone: there were probably other spies in the phone company.

Wu Yusheng continued to introduce his situation. In five years, he visited all the offices of the telephone company, and because of his efforts, he gained the attention of his boss until he was promoted to the company's deputy chief engineer not long ago.

During this time, starting from the second year, he continued to pass on the intelligence he collected to the people in the Intelligence Section of the Ministry of Foreign Affairs of Japan who were originally responsible for contacting him, and later the Central China Liaison Department of Xingya Institute, and all of this information was used by him. Obtained by telecommunications technology monitoring and eavesdropping.

In five years, starting from the second year as well, he installed hundreds of jumpers, bypasses, transfers and other devices in the computer rooms and input and output cables of nine offices, allowing him to target Monitor an area or a single phone call permanently...

In order to keep confidentiality, he did not install permanent devices on the lines of some important departments to avoid being noticed by other professionals. He only installed them temporarily when necessary, and immediately restored them to their original state after obtaining the information...

After hearing this, several people looked at each other and couldn't help but secretly said that they were lucky. If Akagi Oka hadn't asked to continue monitoring, Wu Yusheng would have dismantled the monitoring device long ago!In that case, even a professional like Huofen would not be able to detect the abnormality in the phone line, and the matter would become an unsolved case!
Among the other three people present, Li Junhao was listening and thinking about how to use this Wu Yusheng;

Wang Renqiang was thinking: If the phone calls in the entire Shanghai could be fully monitored, wouldn't it be possible to obtain almost all important information?

Huofen directly asked the key question: "Wu Yusheng, if we need to monitor all calls, will we need all the manpower?"

After hearing this, Wu Yusheng was stunned for a moment, then shook his head and said: "That's impossible. The number of telephones in Shanghai now exceeds 6.5, and the number of calls per day exceeds 40. Unless there are tens of thousands of manual monitors, it will not be possible." Possibly monitoring all calls!”

ah?Wang Renqiang was upset at first and shouted: "Then you have been tossing for four years and set up so many monitoring equipment. What's the use?"

When talking about professional matters, Wu Yusheng was very energetic and immediately said: "Minister Wang, you can't say that. With the current technical conditions, it is completely impossible to monitor all calls, unless there is a machine that can filter out all the calls." Ordinary phone calls involving intelligence..."

Huh?Li Junhao raised his eyebrows, this guy has a lot of karma!This kind of information filtering method is exactly what was used after the emergence of computers in later generations. We can realize this now in 1939, and the level is good!Well, well, go on, he wants to hear more.

Hofen proposed another idea: "If we divide the phone distribution into fixed blocks and set up block ringing, then the number of monitoring personnel can be greatly reduced, and only a few hundred people can monitor all blocks..."

Wu Yusheng immediately added: "We can continue to subdivide it, and use other information to support it, down to the phone number, so that only dozens of people can do it..."

(End of this chapter)