[Freeswitch-users] Idea/Suggestion required

[shehzad p]

Hi All,
Is there a way in freeswitch, such that we can play sound and receive a DTMF
from the end user without actually answering a call like in session progress
stage.
Basically, the system should accept the call and play a progress tone during
call progress (SIP 183). The system should be able to collect DTMF input.
All this should happen while in SIP 183 (Progress) and the call shouldn't
change its state to CONNECT, which means, no 200 OK should be issued to the
use via the system. This is more like a IVR based system, however it all
happens during call progress and not after connect.
Can anyone suggest any idea about this situation?

Thanks in advance.
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