Would it be possible to compile asterisk with the following patch included:
We are experiencing this issue when we have ~45 concurrent sip calls on a Via 1.2Ghz processor.

https://issues.asterisk.org/view.php?id=15627

Thanks!

(from redmine: issue id 227, created on 2009-12-23, closed on 2010-01-01)

• Changesets:
  • Revision 36dda310 on 2009-12-23T14:24:44Z:

main/asterisk: patch to prevent run out of sockets

fixes #227

• Revision 08ed2509 on 2010-01-14T09:41:42Z:

main/asterisk: patch to prevent run out of sockets

fixes #227
(cherry picked from commit 36dda31006e60f3860740260bf77fd606108a384)