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igor.potjevlesch at gm...
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freeswitch-users at li...
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 Posted: Wed May 12, 2021 11:12 am Post subject: [Freeswitch-users] Detect inband DTMF on B-leg |
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------ Start of attached email. Subject: Re: [Freeswitch-users] Detect inband DTMF on B-leg ------
Are you talking about the following case?
A makes a call to FS, and FS sends it to B as below.
A ----> FS ----> B
And in 200 from B, there is no telephone-event in SDP, and you need to convert DTMF from A in telephone-event to in-band audio to B.
/Kaiduan
On Wednesday, May 12, 2021, 11:29:12 a.m. EDT, Igor Potjevlesh <igor.potjevlesch@gmail.com> wrote:
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Hello,
I'm working with start_dtmf in order to transcode inband DTMF to RTP-Event.
That's working fine but I'm wondering how could I check the B-leg SDP to match if there's or not "telephone-event" to do it only if require. That would also allow me to do RFC2833 to inband from A-leg to B-leg.
I can easily check ${switch_r_sdp} for A-leg, but I can't figure out how to check 200 OK SDP and update the DTMF behaviour accordingly.
Any idea? Thank you.
Regards,
Igor.
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------ End of attached email ------
_________________________________________________________________________
The FreeSWITCH project is sponsored by SignalWire https://signalwire.com
Enhance your FreeSWITCH install with disruptive priced SMS and PSTN services.
Build your next product on our scalable cloud platform.
Join our online community to chat in real time https://signalwire.community
Professional FreeSWITCH Services
sales@freeswitch.com
https://freeswitch.com
Official FreeSWITCH Sites
https://freeswitch.com/oss
https://freeswitch.org/confluence
https://cluecon.com
FreeSWITCH-users mailing list
FreeSWITCH-users@lists.freeswitch.org
http://lists.freeswitch.org/mailman/listinfo/freeswitch-users
UNSUBSCRIBE:http://lists.freeswitch.org/mailman/options/freeswitch-users
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