Outgoing Announcements and Custom Recordings
Using Recordings and Announcements in Asterisk to playback audio to incoming calls before ringing an extension, or for automatically playing an announcement and just hanging back up.
Open and log in to the Asterisk web UI
Go to Admin > System Recordings
From here, follow the on-screen instructions. You can either use your telephone extension to record the message or you can upload a sound file.
After naming the Recording, click Save and Apply Config if necessary.
Go to Applications > Announcements
The default page will add a new Announcement.
Use the Description field to name the Announcement and select the Recording you just submitted in step 2.
Use the Destination drop down box to choose what happens to the call after the recording is done playing.
Go to Connectivity > Inbound Routes
Choose the inbound route for the desired DID and set the Destination to your new announcement.
Submit Changes and don't forget to click the Apply Config button at the top when finished.
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