438
SIP
438 Invalid Identity Header
The server obtained the certificate from the Identity-Info header but the signature in the Identity header is invalid.
이 코드를 보게 되는 경우
When the cryptographic signature in the Identity header does not match the message content, indicating possible tampering.
해결 방법
Regenerate the Identity header with a correct signature. Ensure no intermediary is modifying signed headers after signing.
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
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