How to monitor Dhadi channels with a BLF key and also use it to make calls?

[lgaetz (Lorne Gaetz)]

this thread may get you half way there:

How to determine the PSTN line status? is this SLA?

Hi, our assistant have cisco spa514g phone. with a module for BLF buttons we use freepbx with 4 PSTN lines. Basically, All i want to do is to get this lines status if they are busy or free. how to do that? I want to have 4 buttons 1 for each line, is such thing possible?