Only One Side Hears the AnnouncementFind out why only one call party hears the Post-Answer Playback announcement and how to fix it. Post-Answer Playback / Troubleshooting Post-Answer Playback Issues / Only One Side Hears the Announcement Issue CommPeak Classic PBX users can make calls but only one side can hear the announcement. Possible Cause and Solution The system may not have processed the recording for every audio format the phone system uses. Re-uploading from the Recordings tab fixes this.Copy Page