Signalling
From EBU Wiki - Audio Over IP
Signalling methods for call establishment, parameter negociation, reconfiguration.
In N/ACIP we rely on two systems:
- SIP (Session Initiation Protocol) as used for voice over IP systems.
- SAP (Session Announcement Protocol) for undirectional signalling when no return channel is available (example: satellite links).
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External links
- SIP protocol description on wikipedia.org
- SAP protocol description on wikipedia.org
