hello may be this app will be interesting somebody. this app for Asterisk sql database then in asterisk use realtime module. addititonal CDR will be accessible from DB. source https://github.com/OEmilius/asterisk http://emilius.pythonanywhere.com/asterisk - see demo
add sip peers, control state of sip peers add/mod/del extensions in realtime dialplan. see cdr --
