Microsoft Teams offer a 1:1 Teams call recording solution when both endopoint use Teams, but it do not works with PSTN calls. Centralized Call Recording solutions works perfectly with SIPREC, but they are not cheep. A Customer ask me today how to record 1:1 Microsoft Teams and PSTN calls, so I started thinking about how to get this function at no cost: the answer is OBS Studio!
OBS Studio Setup
To use OBS Studio as a Microsoft Teams 1:1 call recording solution, you need to download and install it from the official site: https://obsproject.com/download
Add Sources
Launch OBS Studio, then click the plus (+) button in the bottom left corner of the Sources area to add the following objects
Add Audio Input Capture -> Default Device to record your voice
Add Audio Output Capture -> Default Device to record the remote voice (PSTN)
To avoid the “No Sources” warning every time you start the recording, add Image -> Empty file
At the end the Sources are should look like this one above
OBS Recording Settings
Go to Settings -> Output to setup Recording parameters like the image above.
Output Mode: Simple
Recording Path: select the folder where you want to store the recording files
Recording Quality: High Quality, Medium File Size
Recording Format: mp4
Encoder: Hardware (if available)
OBS Hotkeys
Go to Hotkeys and setup a Start and Stop Recording key combination (like the example above), choose something easy to remember and to press.
Test the solution
I think this is a good solution for free, please let me know if you have any suggestions to improve it.
Best Regards
Luca
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About the Author:
Microsoft Office Apps & Services MVP
MCSE | SfB and Teams Enterprise Voice Specialist
Ribbon SBC | KalliopePBX | DECT Specialist
Cloud Video Interop Solutions | EICC Solutions
Reference:
Vitali, L. (2020). How to record 1:1 Teams and PSTN calls with OBS Studio for free. Available at: https://lucavitali.wordpress.com/2020/11/09/how-to-record-11-teams-and-pstn-calls-with-obs-studio-for-free/ [Accessed: 25th November 2020].
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