<div dir="ltr">Hello Everyone,<br><br>We are having three server<br><br>p-server    : 103.211.109.229<br>i-server    : 103.211.109.230<br>s-server    : 103.211.109.231<br>hss-server    : 103.211.109.228 (mysql is installed in this server)<br><br>With this configuration, 15 days ago it was working fine and we were able to make calls.<br><br>Recently we installed MySql data base and other application which are not related to IMS IN  s-server for some other application.<br>When we tried to make call we are unable to make call. i am unable to isolate the problem.<br><br>The registration process seems to be normal.<br><br><br>Below is wire-shark logs taken at p-server for registration:<br>------------------------------<wbr>------------------------------<br>684    <span class="gmail-aBn" tabindex="0"><span class="gmail-aQJ">10:42:22.053646</span></span>    10.0.39.143    103.211.109.229    SIP    454    Request: REGISTER sip:<a href="http://apsfl-ims.in:5060" target="_blank">koffee-ims.in:5060</a>  (1 binding) | <br>685    <span class="gmail-aBn" tabindex="0"><span class="gmail-aQJ">10:42:22.054160</span></span>    103.211.109.229    10.0.39.143    SIP    402    Status: 100 Trying | <br>695    <span class="gmail-aBn" tabindex="0"><span class="gmail-aQJ">10:42:22.058374</span></span>    103.211.109.229    103.211.109.230    SIP    671    Request: REGISTER sip:<a href="http://apsfl-ims.in:5060" target="_blank">koffee</a><a href="http://apsfl-ims.in" target="_blank">-ims.in</a>  (1 binding) | <br>696    <span class="gmail-aBn" tabindex="0"><span class="gmail-aQJ">10:42:22.082870</span></span>    103.211.109.230    103.211.109.229    SIP    484    Status: 100 Trying | <br>704    <span class="gmail-aBn" tabindex="0"><span class="gmail-aQJ">10:42:22.350949</span></span>    103.211.109.230    103.211.109.229    SIP    708    Status: 401 Unauthorized - Challenging the UE | <br>705    <span class="gmail-aBn" tabindex="0"><span class="gmail-aQJ">10:42:22.351346</span></span>    103.211.109.229    10.0.39.143    SIP    620    Status: 401 Unauthorized - Challenging the UE | <br>706    <span class="gmail-aBn" tabindex="0"><span class="gmail-aQJ">10:42:22.669278</span></span>    10.0.39.143    103.211.109.229    SIP    454    Request: REGISTER sip:<a href="http://apsfl-ims.in:5060" target="_blank">koffee</a><a href="http://apsfl-ims.in:5060" target="_blank">-ims.in:5060</a>  (1 binding) | <br>708    <span class="gmail-aBn" tabindex="0"><span class="gmail-aQJ">10:42:22.672436</span></span>    10.0.39.143    103.211.109.229    SIP    725    Request: REGISTER sip:<a href="http://apsfl-ims.in:5060" target="_blank">koffee</a><a href="http://apsfl-ims.in:5060" target="_blank">-ims.in:5060</a>  (1 binding) | <br>709    <span class="gmail-aBn" tabindex="0"><span class="gmail-aQJ">10:42:22.672647</span></span>    103.211.109.229    10.0.39.143    SIP    402    Status: 100 Trying | <br>710    <span class="gmail-aBn" tabindex="0"><span class="gmail-aQJ">10:42:22.673109</span></span>    103.211.109.229    103.211.109.230    SIP    942    Request: REGISTER sip:<a href="http://apsfl-ims.in:5060" target="_blank">koffee</a><a href="http://apsfl-ims.in" target="_blank">-ims.in</a>  (1 binding) | <br>713    <span class="gmail-aBn" tabindex="0"><span class="gmail-aQJ">10:42:22.674295</span></span>    103.211.109.230    103.211.109.229    SIP    484    Status: 100 Trying | <br>717    <span class="gmail-aBn" tabindex="0"><span class="gmail-aQJ">10:42:22.900508</span></span>    103.211.109.230    103.211.109.229    SIP    694    Status: 200 OK  (1 binding) | <br>723    <span class="gmail-aBn" tabindex="0"><span class="gmail-aQJ">10:42:22.903436</span></span>    103.211.109.229    10.0.39.143    SIP    606    Status: 200 OK  (1 binding) | <br><br><br><br>I found that s-server behaving differently, the below is logs at s-server.<br>------------------------------<wbr>------------------------------<wbr>----------------<br>2928    <span class="gmail-aBn" tabindex="0"><span class="gmail-aQJ">10:47:11.266333</span></span>    103.211.109.229    103.211.109.231    SIP/SDP    1359    Request: INVITE <a href="http://sip:5858@apsfl-ims.in:5060" target="_blank">sip:5858@</a><a href="http://apsfl-ims.in:5060" target="_blank">koffee</a><a href="http://sip:5858@apsfl-ims.in:5060" target="_blank">-ims.in:5060</a> | <br>2929    <span class="gmail-aBn" tabindex="0"><span class="gmail-aQJ">10:47:11.266763</span></span>    103.211.109.231    103.211.109.229    SIP    460    Status: 100 Trying | <br>2936    <span class="gmail-aBn" tabindex="0"><span class="gmail-aQJ">10:47:11.268515</span></span>    103.211.109.231    103.211.109.229    SIP/SDP    1511    Request: INVITE <a href="http://sip:5858@apsfl-ims.in:5060" target="_blank">sip:5858@</a><a href="http://apsfl-ims.in:5060" target="_blank">koffee</a><a href="http://sip:5858@apsfl-ims.in:5060" target="_blank">-ims.in:5060</a> | <br>"2937","<span class="gmail-aBn" tabindex="0"><span class="gmail-aQJ">10:47:11.268771</span></span>","103.<wbr>211.109.229","103.211.109.231"<wbr>,"SIP","569","Status: 100 Trying | "<br>2938    <span class="gmail-aBn" tabindex="0"><span class="gmail-aQJ">10:47:11.268911</span></span>    103.211.109.229    103.211.109.231    SIP    665    Status: 403 Forbidden - You must register first with a S-CSCF | <br>2939    <span class="gmail-aBn" tabindex="0"><span class="gmail-aQJ">10:47:11.269178</span></span>    103.211.109.231    103.211.109.229    SIP    413    Request: ACK <a href="http://sip:5858@apsfl-ims.in:5060" target="_blank">sip:5858@</a><a href="http://apsfl-ims.in:5060" target="_blank">koffee</a><a href="http://sip:5858@apsfl-ims.in:5060" target="_blank">-ims.in:5060</a> | <br>2940    <span class="gmail-aBn" tabindex="0"><span class="gmail-aQJ">10:47:11.269463</span></span>    103.211.109.231    103.211.109.229    SIP    561    Status: 403 Forbidden - You must register first with a S-CSCF | <br>2941    <span class="gmail-aBn" tabindex="0"><span class="gmail-aQJ">10:47:11.269656</span></span>    103.211.109.229    103.211.109.231    SIP    449    Request: ACK <a href="http://sip:5858@apsfl-ims.in:5060" target="_blank">sip:5858@</a><a href="http://apsfl-ims.in:5060" target="_blank">koffee</a><a href="http://sip:5858@apsfl-ims.in:5060" target="_blank">-ims.in:5060</a> | <br><br>My observation is instead of sending the received INVITE packet to i-server, it is sending to p-server.<br>Kindly help me to resolve the issue. <br>If further info is needed, let me know.<br><br>Thanking you,<br>Regards</div>