Standards Organizations for the IMS
There are hundreds of standards development organizations (SDOs), some well known to the public and others only known in their relative areas. They are all created for a purpose, and each has its focus area. IP Multimedia Subsystem (IMS) started as the telecommunications standards to bring the Internet Protocol (IP) into a traditional telecommunications environment that is based on circuit switch technologies. When it comes to IMS-related standards development, the three SDOs discussed in this chapter play the most important roles and provide the biggest impacts.