403
SIP
403 Forbidden
The server understood the request but is refusing to fulfill it. Authorization will not help. The request should not be repeated.
当您看到此代码时
When the server policy denies the request regardless of credentials. Common for blocked numbers, restricted routes, or ACL violations.
如何修复
Check server ACLs and routing policies. Verify the caller is permitted to make this type of call. Contact the server administrator if the block is unexpected.
相关代码
跨协议等效代码
与之对比
指南
401 Unauthorized vs 403 Forbidden: When to Use Each
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Real-Time Protocols
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Real-Time Protocols
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Real-Time Protocols
RFC 3261: SIP Protocol Deep Dive
Protocol Deep Dives
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Protocol Deep Dives
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