This is some sort of nat issue.. we are sending the 200 OK and not getting an ack back. Double check all your nat related configuration.

On Jan 8, 2015, at 10:17 AM, Shisheer Teli <shisheer@tifr.res.in> wrote:

Kindly find the attached "sofia global siptrace on" logs ..

where :
10.1.1.1 -> freeswitch server
and
10.1.1.4 and 10.1.1.3 x-lite clients

Regards,
Shisheer T

On Thu, Jan 8, 2015 at 8:25 PM, Brian West <brian@freeswitch.org> wrote:
do 'sofia global siptrace on', so we can see the sip trace.

On Thu, Jan 8, 2015 at 8:52 AM, Shisheer Teli <telishisheer@gmail.com> wrote:
Kindly find the attached log details ..

Regards,
Shisheer T

On Thu, Jan 8, 2015 at 8:12 PM, Brian West <brian@freeswitch.org> wrote:
What does the sip traffic say?

On Thu, Jan 8, 2015 at 4:52 AM, Shisheer Teli <telishisheer@gmail.com> wrote:
i am using FreeSWITCH Version 1.5.15b+git~20150108T034022Z~1ed290e930~64bit (git 1ed290e 2015-01-08 03:40:22Z 64bit)

and still video call disconnect after 30 seconds

Regards,
Shisheer T

On Wed, Jan 7, 2015 at 9:52 PM, Anthony Minessale <anthony.minessale@gmail.com> wrote:
Try latest master or 1.4.15

On Wed, Jan 7, 2015 at 9:34 AM, Shisheer Teli <shisheer@tifr.res.in> wrote:
Hi Team,

I don't know what happen , but when I start video call it disconnected after every 30 seconds.

e.g.
x-lite to x-lite call : video call disconnect after 30 seconds

X-lite to Zoiper : video call continue, but no video sending.