Ticket #1031: Automatically handle 423 (Interval Too Brief) response in SIP registration (thanks Tomáš Valenta for the suggestion)
 - implemented in sip_reg.c instead of in PJSUA-LIB, so that the functionality can be reused by non-PJSUA-LIB applications
 - also added several Python test scripts



git-svn-id: https://svn.pjsip.org/repos/pjproject/trunk@3105 74dad513-b988-da41-8d7b-12977e46ad98
4 files changed