asterisk users - Nov 2019 - Which architecture for WebRTC on a LAN with PSTN access ?

Hello,

I would like to offer end users in a LAN, asking for this (why ? I don't
know) the capability to use a laptop (along or in replacement of
hardphones) to emit and receive PSTN calls.

PSTN pass through a plain SIP trunk which does not support video (nor Opus)

How can I best integrate off-the-shelf components to implement this ?

My initial thoughts are to implement Cyber Mega Phone and asterisk on a
single Linux host but I'm having a hard time to evaluate if Cyber Mega
Phone is suitable for this and if enduser experience would be positive.

What do you think?

[1] https://github.com/asterisk/cyber_mega_phone_2k

Best regards
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