[asterisk-users] Voicemail post-processing

[Paul Chambers]

Adam Robins wrote:
> I have an application where a caller leaves a voicemail message and then
> I need to gpg encrypt the file before emailing it.
>
> I wrote a perl script to do this, which is executed after a message is
> left, using the externnotify feature in voicemail.conf.
>
> My script has no knowledge of the name of the voicemail wav file created
> by Asterisk (msg000x.wav). So, I retrieve a list of all files in the
> directory and then process all the ones I find.  The problem is that if
> another caller is leaving a message at the same time, I am inadvertently
> pulling that file too, and end up emailing it as a corrupt wav file.
>
> Even if I call the script from the dialplan (at the hangup priority)
> instead of using externnotify, I think I would face the same issue
> because I cannot control the naming of the voicemail wav file.  If I
> could select the name of the file to be written, or query the
> Asterisk-selected name as a system variable after the VoiceMail command
> is executed, I'd be ok.
>
> Any suggestions are appreciated.  Thanks.
>   
I've not tried this, and it's not a part of Asterisk I'm very familiar 
with, so take this with a grain of salt...

Why not override 'mailcmd' in voicemail.conf to point to a wrapper that 
gpg-encrypts the email before sending it?

-- Paul