Hello,

use a tools such as ngrep, sngrep, tcpdump ... on Kamailio system to watch the network traffic and see what happens with the SIP messages. Also, you can sent debug=3 in kamailio.cfg, restart and watch the messages printed in syslog file, you should get hints about kamailio internal processing.

Cheers, Daniel

On 09.06.20 15:51, Rajkumar Samikkannu wrote:

Hi There,

This is Raj. We have successfully installed Kamailio SIP Server by following this documentation link https://kamailio.org/docs/tutorials/5.3.x/kamailio-install-guide-git/#instal...

We created some users and those users are in the Subscription Table.

We registered(logged in) some users on our client side. We could get Acknowledgement while we registered(logged in).

We couldn't get any acknowledgement while we tried to make a call or send a message. We got a "Request Timeout" Error in Client Side.

If anyone knows about this issue, please guide us what we should do.

Thanks in advance.

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