Add a note that the "retry on 403 response to REGISTER" for chan_sip is
non-functional in the versions in which it was first introduced.
git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.8@405088
65c4cc65-6c06-0410-ace0-
fbb531ad65f3
* The option "register_retry_403" has been added to chan_sip to work around
servers that are known to erroneously send 403 in response to valid
REGISTER requests and allows Asterisk to continue attepmting to connect.
+ Due to a failed merge, this option is present, but non-functional until 1.8.26.0.
* Certain dialplan functions have been marked as 'dangerous', and may only be
executed from the dialplan. Execution from extenal sources (AMI's GetVar and