Because of the work of developing the Arduino platform, Hu Yiting has been very busy these days.

In the afternoon, Tong Mu called him and told him that he had left Xi'an, and Kong Jing returned to the Northern Capital, and at noon today he had a meal with Mr. Zheng Donghan, President of Baidai Greater China, and the other party specially flew to the Northern Capital to persuade her to change her mind, and said that the price was negotiable, and directly opened a new contract of 18 million Hong Kong dollars, which was 6 million Hong Kong dollars more than before, and hoped that she would reconsider.

Tong Mu smiled on the phone, I only listen to you, I don't care what others say, and I don't want to delay my studies, and I don't want to delay my studies when school starts here, so it's good to be like now, if you have a song, you will release an album, and if you have time, you will have a concert, as you said, this is not tiring, and it will not delay study and life.

Hu Yiting said, I have asked the finance to pay Kong Jing's agent company 10 million, nominally as a reward for hiring you as the spokesperson of Chongguang's image, this money is more suitable than directly for you, saving you from paying taxes, you asked Kong Jing to hurry up and get the third album out.

Tong Mu said: "I haven't eaten this album yet, I will wait for you to return to the Northern Capital, I have many places where I can't make up my mind to ask you, you are so busy when you are in Hushan, by the way, Mary has returned to the UK, she left her address, saying that we must find her next time we go to the UK." ”

Hu Yiting said: "Okay, very good, how about your grandparents? Did you leave money for them when you left?"

Tong Mu said: "I kept 200,000 yuan, and I asked them to renovate the old house in the town." Well, this time I stayed in my hometown for more than a week, and I got fat. ”

Hu Yiting said with a smile: "Whether you are fat or not is only known if I have tested it." ”

Tong Mu laughed out loud on the phone: "It's not in shape, I'll hang up." ”

This day is the Midyear Festival, in the evening Hu Yiting ate some bread in the institute, and worked for a while, only came out of the Lake Research Institute at nine o'clock, drove the company's car home, saw many people painting the house with chalk on the side of the road, and was burning paper in the house to worship the ancestors, there was a smell of burning waste in the city, and the paper ashes were floating around in the night wind.

The next day, Hu Yiting received a call from Xu Kejian, and after saying for a long time, he realized that the science and technology museum of No. 5 Middle School had been completed, and he wanted to invite Hu Yiting to participate in the opening ceremony and the inauguration ceremony of the science and technology museum as an outstanding alumnus and give a speech.

Hu Yiting thought about it and decided to refuse, he really didn't like this kind of entertainment, but this time it was mainly because he didn't have time, otherwise he was still willing to give this face.

After refusing, Hu Yiting changed the topic and asked Xu Kejian how his son Xu Shaohua did in the junior high school exam, and the old Xu Yi was very happy to hear this, and immediately told Hu Yiting endlessly that his Xu Shaohua was admitted to the attached middle school, and now he and Hu Yiting are alumni.

Hu Yiting smiled and asked his wife how she is doing now, Lao Xu said gratefully: "Thanks to your care, Jiang Sufen didn't suffer at all, what kind of office assistant is she in the Chongguang Communication Office now, every day is to engage in logistics, send some printing paper cartridges or something, and the salary is higher than mine, by the way, she saw you when you went to the company to receive the provincial leaders that day, but she didn't dare to say hello to you." ”

Hu Yiting smiled: "Okay, then if you have something to do in the future, just contact me." Lao Xu agreed, and Hu Yiting hung up the phone.

After the design of AVR microcomputer and Arduino platform has been completed, Hu Yiting has shifted the focus of his work to the communication signaling network STP equipment being developed by Chongguang Communication, STP means signaling-transfer-point, which means signaling transfer point, as the name suggests, STP equipment is a very important basic equipment for telecom operators, and the performance of STP equipment is directly related to networking capabilities and the security of national communication information.

Since the publication of the International Telegraph Commission in 1980, Signaling No. 7 has become a mature and common signaling system in the world and has been used, but although the signaling has not changed, the signaling equipment is constantly being upgraded.

With the implementation of digital service integrated network and intelligent management of telephone channels by China Telecom, coupled with the surge of users brought about by program-controlled telephone exchanges, signaling equipment with high capacity, fast response, safety and reliability is becoming more and more important.

When the user is dialing the number, the signaling sent by the phone is received by the STP equipment in the bureau and sends the signaling to the dialed user, if it is not a user in the bureau, then it also involves the signaling exchange between two or even more inter-office signaling machines, when the other party takes off the phone and sends back the signaling, then the program-controlled telephone exchange connects the two lines and begins to transmit voice data, and realizes the call.

It can be seen that STP equipment is a basic and important equipment, with the expansion of telecommunications business in the future, STP equipment will also assume a lot of functions, such as network management and monitoring, assume the role of database server, Chongguang as a communication equipment manufacturer, for C1C2C3C4C5 the development of various models of STP No. 7 signaling machine at all levels of telecommunications bureaus at all levels is a link that cannot be bypassed, and Chongguang wants to develop network switches, grab Cisco's job, then it must have in-depth research and development of STP.

Moreover, there is not only one type of signaling in the signaling network, but there are actually three signaling points, namely STP, SSP, AND SCP. Among them, SSP is service-sitching-points service conversion node, which can perform some functions of STP, and can provide 800 free calls and called user payment and other functions, and these functions generally only need to upgrade the software system of the program-controlled telephone exchange can be realized, in the past, the software in this area was sold very expensive, the United States and Japan offered us millions of dollars, but since Huachuang and Chongguang have developed the corresponding functions on their own program-controlled machines, China no longer needs to spend this unjust money。 SCP is a service-control-points service control node, which refers to a special signaling node that can provide database services, and can support services such as credit card calls and 800 toll-free numbers that require database query support.

From the function, it can be seen that the equipment of STP node is the most widely used and indispensable, and because it has the most nodes, it needs to form a regional, national and even international network, so its management and maintenance are very complex, and the compatibility and algorithm requirements of various switching protocols are very high after networking, and it must be extremely reliable.

Previously, Chongguang Communication has conducted a lot of research on domestic signaling machines and imported signaling machines, and has carried out a comprehensive "sand hunting" for various communication protocols.

On this day, Hu Yiting convened more than 30 backbone engineers in the company's new R&D building to begin technical discussion and combing of STP equipment, and laid out his design ideas and exchange algorithms one by one.

For the magic of Hu Yiting, the old employees have already understood, and this meeting allowed the new employees to witness the amazing genius of Mr. Hu.

As a lucky person standing on the shoulders of giants, Hu Yiting of course chose a shortcut and directly copied the STP signaling machine products developed by Huachuang in later generations.