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IP Office voicemail recording question

IP Office voicemail recording question

IP Office voicemail recording question


We have an IPO v9 with voicemail Pro.

We have a problem trying to get a prerecorded greeting message onto the mailbox of a user/hunt group.

When an out of office is recorded from the handset(connect to mailbox, option 3, option 2) a file appears in /opt/vmpro/greetings I can press option 4 and save it as looping which doesn't allow someone to leave a voicemail.

We then replace the file under /opt/vmpro/greetings with a professionally recorded greeting that has the same file name. This new greeting no longer loops and pressing option 4 does not enable looping. We can then drop the file recorded on the handset back into the folder and looping is restored.

How on earth can we get this pre-recorded file to loop? It seems like there is something in the wav file that makes it loop when it is recorded from a handset?

Any assistance is greatly appreciated!

RE: IP Office voicemail recording question

Was the new file created using these settings?


8kHz 16-bit


RE: IP Office voicemail recording question

You need to edit the professional recording with a hex editor and enter on position 0x48 the value 01, see picture.
Then it will be played in a loop.

RE: IP Office voicemail recording question

Wow....must have a look at that..
Really useful to know.
Have a star

RE: IP Office voicemail recording question

Hi Intrigrant,

Thank you for the help.

I tried this as you recommended but it didn't seem to work unless we are doing it wrong?

See below screenshot

RE: IP Office voicemail recording question

I'll check my docs later, maybe i posted a wrong image but i have no access to it yet.

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