MixMonitor(${filename}) Predefined Channel Variables There are some channel variables set by Asterisk that you can refer to in your dialplan definitions. Asterisk-defined variables

Using $ If you want to set a global variable containing the another variable name in the [globals] category of extensions.conf you have to do something like this: [globals] SS=$ MY_VAR=${SS}{EPOCH}-${SS}{EXTEN}.gsm This way the MY_VAR value is ${EPOCH}-${EXTEN}.gsm Using it with the EVAL() function is very useful. I.e. if you want to record you can do this: … Read more