[webrtc-pc] Pull Request: Make tone optional and constructor dictionary parameter optional

youennf has just submitted a new pull request for https://github.com/w3c/webrtc-pc:

== Make tone optional and constructor dictionary parameter optional ==


See https://github.com/w3c/webrtc-pc/pull/2413

Received on Friday, 13 December 2019 09:51:46 UTC