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.
当您看到此代码时
When the cryptographic signature in the Identity header does not match the message content, indicating possible tampering.
如何修复
Regenerate the Identity header with a correct signature. Ensure no intermediary is modifying signed headers after signing.
与之对比
指南
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
术语表
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Request Method (HTTP Verb)
TLS Handshake
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TCP/IP
Port Number
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Codec Negotiation
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VoIP (Voice over IP)
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PBX (Private Branch Exchange)
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TLS Versions