On Mon, Jul 15, 2013 at 10:13 AM, mayamatakeshi <[email protected]>wrote:
> Hello, > we are using opensips 1.6 r. 7055 under CentOS 5.3 x86_64 and this works > fine on several machines. > I am tasked with preparing upgrade to CentOS 6.4 x86_64 so I have prepared > a Virtual Machine to run this OS, installed opensips and used the same > opensips.cfg . > > However, I am seeing the following issue: reception of "100 Trying" > doesn't cancel module tm fr_timer but if other provisional responses like > "180 Ringing" is received, fr_timer is canceled. > I am sure the "100 Trying" is received by opensips because it doesn't > retransmit the INVITE. > Sorry, by mistake I looked at the wrong capture. Indeed, opensips is retransmitting the INVITE. But checking Call-ID, from-tag and Via headers, they match and so, opensips should not do retransmission. It seems somehow it is ignoring the "100 Trying". So to further investigate I enabled debug with "opensipsctl fifo debug 4" (instead of default debug 0), but surprisingly, now opensips accepts the "180 Trying" (doesn't retransmit the INVITE) and fr_timer is canceled. I tested several times and just by switching debug off and on is enough to cause the problem to appear/disappear. > Everything else seems to be fine. > > Does anyone has any idea why this could be happening? > Also, to confirm I have prepared 3 CentOS 6.4 x86_64 VMs, but in one of > them the problem doesn't happen but I don't know why this is so as i > compared the packages installed (yum list installed) and they are all the > same, including version numbers. > Also, on the machine where the problem doesn't manifest itself, it is the opposite: if I enable debug with "opensipsctl fifo debug 4", fr_timer fails to be canceled by "100 Trying". > > (Also I have tried upgrading to latest branch 1.6 r. 10024, and the > problem persists). > > Regards, > Takeshi > > > >
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