Can no longer play voicemails from the Outlook App on Android phones

[jfinstrom (James Finstrom)]

I would assume (maybe a poor assumption) they support mp3.

This post may help…

Send mp3 in voicemails with FreePBX 14

This post is an update to “Send mp3 voicemails with FreePBX 13” An updated sendmailmp3 script that will work in FreePBX 14 (and 13, but you have to install lame). With 14, lame and sox are included in the distro, so you just need to do these steps: Create sendmailmp3 in /usr/sbin Paste in the text from the newer version of the script available here: http://bernaerts.dyndns.org/linux/179-asterisk-voicemail-mp3 Make it executable: chmod +x /usr/sbin/sendmailmp3 In FreePBX 14, Go to Settings > …