[Asterisk-Users] help: mixing monitored in out files

[John Todd]

>Hi,
>There is an email in the mail archives from asterisk-users-admin 
>with a script to mix two monitored files. I was trying that script 
>but the wmix always says : Unable to open display "(null)". I am not 
>using X, which wmix requires.
>Is there any other tool or any help on making a single file out of 
>the in and out monitored files ??
>TIA
>Azher

soxmix will probably work for you.  It comes as a standard part of 
the most recent versions of sox.

JT