SIP (EN)

Protocol

Session Initiation Protocol for controlling communication sessions

SIP Architecture

flowchart TD     UA[User Agent] --> SIP[SIP Server]     SIP --> Registrar[Registrar]     SIP --> Proxy[Proxy Server]     SIP --> B2BUA[B2BUA]          UA --> UA1[User Agent 1]     UA --> UA2[User Agent 2]          sub SIP Server Components         Registrar --> Datenbank[User Datenbank]         Proxy --> Datenbank         B2BUA --> Datenbank     end

In Context

  • Typically used together with RTP (Real-time Transport Protocol) for transmitting voice data
  • Related to: VoIP, IMS, RTP, SDP
  • Example use case: A call from a softphone over the internet to a traditional landline phone
Quelle: AI Generated