Difference Betweeen SIP and HTTP Response 407 code?
Question
What is the difference between SIP response code 407 and HTTP response code 407 (Proxy Authentication Required)?
Solution
According to this PDF, you get (or send) a 407 with SIP when you cannot authenticate the originator because no credentials are provided.
An HTTP 407 is, as you said, given when proxy authentication is required - essentially, they're the same.
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