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[Linphone-developers] How to "Capture" LINPHONE call sound from an exter

From: Franck MIKULECZ
Subject: [Linphone-developers] How to "Capture" LINPHONE call sound from an external App (and stream it)
Date: Sat, 20 May 2017 18:42:26 +0100
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.1.1

Hi Guys,

I am looking to capture the sound of a VoIP call made with LINPHONE on my desktop, to stream it (real time) to a Cloud Speech-to-text Websocket API. Any idea if this is possible ?

More details:
For a Proof-of-Concept project, we need real time capture of a VoIP phone conversation made with LINPHONE. The necessary steps are:
- Call event recognition (made, received or - best - both)
- Start capturing the call sound, both sides of the conversation (not interrupting or disrupting the call)
- Direct the sound stream to the Websocket API
- Collect the API text result back

Ideally, we would use _javascript_ code in an opened Web UI. Alternatively, C++ or ActionScript (in Adobe AIR)

Thanks for any info...

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