1. REGISTER sip:sip.test.org;transport=tcp SIP/2.0
2. Via: SIP/2.0/TCP XX.XXX.XX.XXX:5080;rport;branch=z9hG4bKF9geteK1472vK
3. Max-Forwards: 70
4. From: <sip:injun@sip.test.org>;tag=F9jXay4N56a3D
5. To: <sip:injun@sip.test.org>
6. Call-ID: cbe6c55b-7e43-495a-ae93-e0d29fda6fc1
7. CSeq: 16961405 REGISTER
8. Contact: <sip:gw+testgw@XX.XXX.XX.XXX:5080;transport=tcp;gw=testgw>
9. Expires: 3600
10. User-Agent: FreeSWITCH-mod_sofia/1.10.1-release+git~20190820T165404Z~f9990221e6~64bit
11. Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, MESSAGE, INFO, UPDATE, REGISTER, REFER, NOTIFY
12. Supported: timer, path, replaces
13. Content-Length: 0
14.  
15.  
16. nta.c:8310 outgoing_send() nta: sent REGISTER (16961405) to tcp/YY.YY.YYY.YYY:5228
17. nta.c:1350 set_timeout() nta: timer set to 32000 ms
18. recv 646 bytes from tcp/[YY.YY.YYY.YYY]:5228 at 21:39:55.002582:
19. ------------------------------------------------------------------------
20. SIP/2.0 401 Unauthorized
21. Via: SIP/2.0/TCP XX.XXX.XX.XXX:5080;rport=54953;branch=z9hG4bKF9geteK1472vK
22. From: <sip:injun@sip.test.org>;tag=F9jXay4N56a3D
23. To: <sip:injun@sip.test.org>;tag=1eD72ree9p33H
24. Call-ID: cbe6c55b-7e43-495a-ae93-e0d29fda6fc1
25. CSeq: 16961405 REGISTER
26. Server: Flexisip/2.0.0-beta-12-gae28fc03 (sofia-sip-nta/2.0)
27. WWW-Authenticate: Digest realm="sip.test.org", nonce="+p4F4gAAAADSs4R9AAC4fN7TJmQAAAAA", opaque="+GNywA==", algorithm=SHA-256, qop="auth"
28. WWW-Authenticate: Digest realm="sip.test.org", nonce="+p4F4gAAAADSs4R9AAC4fN7TJmQAAAAA", opaque="+GNywA==", algorithm=MD5, qop="auth"
29. Content-Length: 0rff