How to detect disconnect tone in spa112

[neuberfran]

In spa-3102 is very easy: http://ubuntu4us.corp.eng.br/artigos/voip/asterisk-pbx-and-linksys-spa-3102

How to detect disconnect tone in spa112 ????

[Dan Lukes]

SPA112 has no FXO line at all. It have FXS lines only.

Analog phone devices connected to FXS port could just hang-up if they are wishing to terminate the call. No busy tone detection is necessary nor implemented for FXS port.