<div dir="ltr">Hello. We have an issue with REGISTER to Provider. When Provider answers 401 Kamailio don't send any REGISTER with digest auth<br><br><div>IP ourservice.com.5068 > provider.dev.5060: UDP, length 468</div><div>E...U...@.3'</div><div>..............AREGISTER sip:provider.dev SIP/2.0</div><div>Via: SIP/2.0/UDP ourservice.com:5068;branch=z9hG4bK4238.45a4a626000000000000000000000000.0</div><div>To: <sip:login@provider.dev></div><div>From: <sip:login@provider.dev>;tag=6a39af2190f8b2c99cc63bfeb3a3959c-1ff8</div><div>CSeq: 10 REGISTER</div><div>Call-ID: <a href="mailto:1b3f9f5d5822eca2-16804@ourservice.com">1b3f9f5d5822eca2-16804@ourservice.com</a></div><div>Max-Forwards: 70</div><div>Content-Length: 0</div><div>User-Agent: kamailio (4.3.0-dev5 (x86_64/linux))</div><div>Contact: <<a href="http://sip:login@ourservice.com:5068">sip:login@ourservice.com:5068</a>></div><div>Expires: 360</div><div><br></div><div><br></div><div>IP provider.dev.5060 > ourservice.com.5068: UDP, length 572</div><div>E..XC...-.W.....</div><div>........DkJSIP/2.0 401 Unauthorized</div><div>Via: SIP/2.0/UDP ourservice.com:5068;branch=z9hG4bK4238.45a4a626000000000000000000000000.0;received=23.100.24.250</div><div>From: <sip:login@provider.dev>;tag=6a39af2190f8b2c99cc63bfeb3a3959c-1ff8</div><div>To: <sip:login@provider.dev>;tag=as6ad61d4a</div><div>Call-ID: <a href="mailto:1b3f9f5d5822eca2-16804@ourservice.com">1b3f9f5d5822eca2-16804@ourservice.com</a></div><div>CSeq: 10 REGISTER</div><div>Server: FastTel SoftSwitch</div><div>Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY, INFO, PUBLISH</div><div>Supported: replaces</div><div>WWW-Authenticate: Digest algorithm=MD5, realm="provider.dev", nonce="63fc6951"</div><div>Content-Length: 0</div><div><br></div></div>