Hello Henning
I have seen logs I didn't find any error per se.
I am attaching the log file.
Thank you for answering.
regards
Seshu 

On Tue, Oct 9, 2018 at 11:08 PM Henning Westerholt <hw@kamailio.org> wrote:
Am Montag, 8. Oktober 2018, 07:52:59 CEST schrieb Seshu Kumar:
> I am using Kamailio version 5.0.4  in IMS mode.
> I have added ims_auth in kamailio.cfg in S-Server. And added line
> modparam("ims_auth", "add_authinfo_hdr", 1)
>
> I am not finding “Authentication-Info” header being added in 200 OK
> responses. Anything more i need to enable. Kindly someone give a clue.
>
> Or this is known problem?

Hello Seshu,

do you see any errors in your kamailio log? If yes, please provide them here
to look at it.

Best regards,

Henning

--
Henning Westerholt - https://skalatan.de/blog/
Kamailio security assessment - https://skalatan.de/de/assessment