<div dir="ltr">Hello,<div><br></div><div>My opensips server is just a registrar server and I have enabled tls with the following settings:</div><div><br></div><div>listen=tls:xx.xx.xx.xx:5061<br></div><div><div>disable_tls=no</div><div>tls_certificate=&quot;/etc/opensips/pbx-bundle.crt&quot;</div><div>tls_private_key=&quot;/etc/opensips/pbx.key&quot;<br></div></div><div><br></div><div><br></div><div>When my sip phones try to open tls connection, they reject the connection saying &quot;Certificate Validation Failure&quot;. My certificate is valid and works fine on the https website.</div><div><br></div><div>What am I missing? What should I look for?</div><div><br></div><div>Regards,</div><div>Ali Pey</div><div><br></div><img class="cm-tracker" src="https://contactmonkey.com/api/v1/tracker?cm_session=2f6b3286-6d93-4873-9017-0f28f6071c64&amp;cm_type=open&amp;cm_user_email=alipey@gmail.com" width="0" height="0" style="border:0; width:0px; height:0px;"><img class="cm-tracker" src="https://contactmonkey.com/api/v1/tracker?cm_session=2f6b3286-6d93-4873-9017-0f28f6071c64&amp;cm_type=open&amp;cm_user_email=alipey@gmail.com" width="0" height="0" style="border:0; width:0px; height:0px;"><font class="cm-tracker" face="https://contactmonkey.com/api/v1/tracker?cm_session=2f6b3286-6d93-4873-9017-0f28f6071c64&amp;cm_type=open&amp;cm_user_email=alipey@gmail.com" style=""></font></div>