The instructions at https://docs.asterisk.org/Development/Policies-and-Procedures/Code-Contribution/#create-a-pull-request make it seem as though the fork should be used as the default, when the upstream may need to be set as the default for things to work properly.
The instructions at https://docs.asterisk.org/Development/Policies-and-Procedures/Code-Contribution/#create-a-pull-request make it seem as though the fork should be used as the default, when the upstream may need to be set as the default for things to work properly.