Registration Admission Status (RAS)
Definition - What does Registration Admission Status (RAS) mean?
Registration admission status (RAS) is a critical signaling element in VoIP networks and part of the H.225 network protocol component for H.323 communications. RAS oversees user authorization, permission levels and monitoring.
Techopedia explains Registration Admission Status (RAS)
RAS is designed to handle multimedia bandwidths. RAS messages are exchanged via RAS channel frequencies, which are allocated prior to terminal network communication.
The following are RAS request and response signals:
- Gatekeeper discovery
- Admission, registration and deregistration
- Bandwidth control