[Asterisk-Users] SNMP and Astersik

[Anderson Alves de Albuquerque]

 I have FXO (DIGIUM) with Asterisk (PBX). How can I use SNMP in Asterisk 
to access FXO?

 I need to known if FXO has the LINE with PSTN free to new phone call. Is 
this possible? How?