Update from previous 1.4.x or 1.6 version
Extract the source
or if you have all the source in one directory
Kill, change modules and start
Sometimes zap will not stop, usually because not all of the modules are unloaded. You can find this out and correct it using some of the following commands - the module names are a 'for instance':
Edit the Zaptel config file, I have no hardware so only need ztdummy loaded.
Start the Zaptel and Asterisk services.
asterisk:build is mentioned on: Linux