422
SIP
422 Session Interval Too Small
The request's Session-Expires value is too small. The Min-SE header in the response indicates the minimum acceptable session interval.
이 코드를 보게 되는 경우
When using SIP session timers (RFC 4028) and the proposed session refresh interval is below the server's minimum.
해결 방법
Increase the Session-Expires value to at least the value indicated in the Min-SE header of the 422 response.
비교 대상
가이드
401 Unauthorized vs 403 Forbidden: When to Use Each
Security & Authentication
SIP Response Codes: Understanding VoIP Call Flow
Real-Time Protocols
SIP Call Flow: Understanding Session Setup
Real-Time Protocols
WebRTC Signaling with SIP and WebSocket
Real-Time Protocols
RFC 3261: SIP Protocol Deep Dive
Protocol Deep Dives
TLS 1.3: Faster, Simpler, More Secure
Protocol Deep Dives
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