search for: satx_555_extensions

...fically) to sink calls. I do this by taking the ${EXTEN} and breaking it down by sections until I get to the last 4 digits (i.e., 2105551212). Once I get to the 4-digit extension, I am trying to set a flag, or semaphore, to do Busy/Idle testing. Here is my extensions_custom.conf fragment: [SATX_555_Extensions] exten => 1212,1,System(cat /tmp/{orig_num}) ; ${orig_num} is set at the beginning of [from-trunk-custom] to the full dialed digits in ${EXTEN}, before I break it down. exten => 1212,n,Busy(); if the file exists, someone else has already called this number, return busy exten => 1212,...