“Was ist SIP” is a German phrase that translates to “What is SIP” in English. SIP stands for Session Initiation Protocol, a signaling protocol used to initiate, maintain, and terminate multimedia sessions such as voice and video calls over the internet. It is a text-based protocol that uses messages to establish and manage communication sessions between two or more endpoints.
SIP is essential for VoIP (Voice over Internet Protocol) applications such as Skype, FaceTime, and WhatsApp. It allows users to make and receive calls, send and receive instant messages, and participate in video conferences. SIP is also used in enterprise communications systems to provide voice, video, and data services to employees within an organization.