Update to Asterisk 10.4.0:  this is a bug fix release.

The Asterisk Development Team has announced the release of Asterisk 10.4.0.

The release of Asterisk 10.4.0 resolves several issues reported by the
community and would have not been possible without your participation.
Thank you!

The following are the issues resolved in this release:

* --- Prevent chanspy from binding to zombie channels

* --- Fix Dial m and r options and forked calls generating warnings
      for voice frames.

* --- Remove ISDN hold restriction for non-bridged calls.

* --- Fix copying of CDR(accountcode) to local channels.

* --- Ensure Asterisk acknowledges ACKs to 4xx on Replaces errors

* --- Eliminate double close of file descriptor in manager.c

For a full list of changes in this release, please see the ChangeLog:

http://downloads.asterisk.org/pub/telephony/asterisk/ChangeLog-10.4.0

Thank you for your continued support of Asterisk!

(jnemeth)