Recall on busy is a freepbx module developed by Nethesis that on internal calls, when an extension is called and it's busy ask the caller if he want to be called back and eventually call him back when the first call hangup
https://github.com/nethesis/freepbx-module-recallonbusy
Recall on busy is a freepbx module developed by Nethesis that on internal calls, when an extension is called and it's busy ask the caller if he want to be called back and eventually call him back when the first call hangup https://github.com/nethesis/freepbx-module-recallonbusy