[webrtc-pc] Pull Request: Fill in tone definition and add required

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

== Fill in tone definition and add required ==
Fix for Issue https://github.com/w3c/webrtc-pc/issues/789

See https://github.com/w3c/webrtc-pc/pull/793

Received on Thursday, 15 September 2016 14:13:14 UTC