423
SIP
423 Interval Too Brief
The expiration time in the request is too short. The response contains a Min-Expires header indicating the minimum allowed value.
このコードが表示される場合
When a REGISTER or SUBSCRIBE request has an Expires value that is below the server's minimum. Common with aggressive keep-alive timers.
解決方法
Increase the Expires header value to at least the Min-Expires value from the response.
比較対象
ガイド
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Security & Authentication
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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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