The difference between SIP and SOP is that SOP is a standard work instruction. SOP is a standard operation book, that is, a detailed standard operation instruction made by the project for each working procedure of the product, for the use of manufacturing site operators. SIP is the inspection standard inspection document, that is, the standard inspection instructions and standards formulated by quality engineers for product feeding and finished products. Quality department personnel check production according to SIP.
SIP is similar to HTTP. SIP can reduce the development time of applications, especially advanced applications. Because IP-based s IP uses IP network, fixed network operators will gradually realize the far-reaching significance of SIP technology to them.