Fix to ensure proper treatment of 180 Ringing, when 100rel is required#119

Open

nttranbao wants to merge 1 commit intofreeswitch:masterfrom

nttranbao:bugfix/180rel

Commits on Apr 7, 2022

https://github.com/signalwire/freeswitch/issues/1014 fix to enabled FreeSWITCH to send PRACK upon receiving reliable 180, or to send 180 Ringing reliably (with Require: 100rel and a RSeq header)
Bao Nguyen
committed