(the maintainers of FreeSWITCH) documentation is the best starting point. Official FreeSWITCH Documentation
She turned back to her console, fingers flying. She edited the dialplan: freeswitch 18 pdf hot
The problem was the PDF . Not a real PDF—that was the cruel joke. The carrier, a monolithic telecom with the creativity of a brick, had sent their entire SIP trunking specification as a scanned, image-based PDF. Eighteen pages of blurry tables and tiny, pixelated command strings. Page eighteen, paragraph four: “For hot failover, inject parameter ‘hot_standby=true’ into the bridge command.” (the maintainers of FreeSWITCH) documentation is the best
<action application="bridge" data="sofia/gateway/primary/$1|x-hot-swap=1"/> pixelated command strings. Page eighteen
For those seeking a structured deep dive, the FreeSWITCH 1.8 book by Packt is the definitive manual. It covers everything from basic installation to advanced WebRTC and SIP configurations.