In this blog article we will discuss the basic standards used for real-time communications — SIP and XMPP — what is the difference, how each of them works, and, which one to choose.
SIP and XMPP
The IETF has two documented standards for real-time communications that are widely implemented: SIP and XMPP.
These standards transport text information and rely on other standards for the actual media transmission.
As both support real-time communications, many question which solution is most suited to their needs.
Let’s briefly explore the history and purpose of both.