I am running the latest CVS version of svxlink, so the older code does
not have the "rx_id" variable. Feel free to ignore it.
This change will write a raw audio file to /var/spool/svxlink/activity
with each opening of the squelch. The file name is derived from the
epoch seconds, which makes sorting a lot easier. In my case, I append
the receiver number to the end, as there are two receivers with my system.
Unfortunately, only one "recordStart" function can be called at a time.
The TclVoiceMail module uses this function, so the above addition is
disabled when someone is using voice mail.
Each night at 2359, I run the following script from cron: