More or less useless/useful tips and tricks, bundled together. They weren't worthy of a box div on their own. I gave them only a li each.
tricks asterisk vim sed tips bash
An init.d script to stop and start safe_asterisk started asterisk. If asterisk is not stopped in 5 seconds, it is forcibly killed.
In the Asterisk PBX dialplan, expressions can be formed using the $[...] syntax. Addition, subtraction, comparison and so on are defined. As is a regex operator: =~