Version 13.7+20161113-4 of asterisk-opus is marked for autoremoval from testing on Thu 14 Jun 2018. It depends (transitively) on pjproject, affected by #897358. You should try to prevent the removal by fixing these RC bugs.
Last update: 2018-05-23
Problems while searching for a new upstream version
uscan had problems while searching for a new upstream version:
In debian/watch no matching files for watch line
https://github.com/traud/asterisk-opus/tags (?:.*?/)?v?(\d[\d.]*)\.tar\.gz debian