[Asterisk-Dev] which part of the code to receive and breakdown of SIP 401

[Kevin P. Fleming]

Raymond Chen wrote:

> WWW-Authenticate: Digest realm="",
> 
> nonce="c39ec9664fd22a67b9cd79c70877c24f"

That is broken. Blank lines are not allowed in the headers; the first 
blank line signals the end of the headers and the start of the body.

Whatever device is sending you this is very broken.