[Freeswitch-users] Ignore busy signal when dialling out on an FXO port

[Oren Hecht]

Hi,

I'm new to freeswitch so please excuse me if I'm not using the right terms.

I have freeswitch connected to a POTS line using an FXO port, and I am 
trying to use it to dial out without success.
The POTS line requires me to dial '9' first to get a line for dialing out, 
and as long as I don't press 9 it gives a 'busy' tone.
I am trying to bridge an extension to freetdm port with adding a '9' prefix, 
but I get "Failed to open channel" and the reason is 
"NORMAL_CIRCUIT_CONGESTION". When I look at 'ftdm dump' I see: "last_state: 
BUSY".

I guess the reason for failure is that freeswitch hears the busy tone and 
thinks the line is not free and aborts. I also thought this is related to 
the early media signaling so I tried adding {ignore_early_media=true} 
thinking it will ignore the busy tone, but it dodn't help.

How can I tell freeswitch to ignore the busy signal and just dial the 
destaination number, (the '9' prefix will give it a free line)?

Thank you very much for the help,
Oren Hecht.
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