what is sip protocol

The soft switch technology is one of the most popular technologies in the current technology circle. Nowadays, many switches can provide high-speed connection ports that support fast Ethernet or FDDI. I hope this article will provide you with relevant information. The true meaning of the next generation network requires both the innovation and prosperity of smart endpoint services and the scale-up management of its systems. The difficulties discussed

What is a private IP address, and what is the function of a private IP address? A particular type of IP address is called a private IP address. In the current network, the IP address is divided into public IP and private IP addre

("Unrecognized message type%s\n", Msg_type); } } The message type above is taken from the SIP protocol (not exactly the same, the SIP protocol borrows from the HTTP protocol), and the message type may increase. Looking at th

complexity of design from program code to Data. Is that true? Let's look at an example. Assume that a program needs to process messages sent by other programs. The message type is a string, and each message needs a function for processing. The first impression may be handled as follows: Copy codeCode: void msg_proc (const char * msg_type, const char * msg_buf) { If (0 = strcmp (msg_type, "inivite ")) { Ini

design from the programCodeTransfer to Data. Is that true? Let's look at an example. Assume that a program needs to process messages sent by other programs. The message type is a string, and each message needs a function for processing. The first impression may be handled as follows:Void msg_proc (const char * msg_type, const char * msg_buf){If (0 = strcmp (msg_type, "inivite ")){Inivite_fun (msg_buf );

What is HTTPS HTTPS is ' Hyper Text Transfer Protocol ' with Secure Sockets Layer (SSL) The main idea of HTTPS is to create a secure channel on an insecure network and to provide reasonable protection against eavesdropping and inter-person attacks when the appro

What is the IPV9 agreement, what does the IPV9 agreement mean? According to the method of assigning addresses to computers on the internet using all-digital codes, the "Decimal Network", which is implemented and developed by the invention patent, adopts independent intellectual property rights, the IPV9

The composition of a computerOne of the founders of modern computer von · Neumann (John von neumann,1903~1957), an American Jewish mathematician born in Hungary and one of the founders of modern computers, is known as the "Father of Computers" and "The Father of game theory."The computer hardware system consists of five parts: the arithmetic, the controller, the memory, the input device and the output device.Two