In order to connect to the dialer using WebRTC, you must use a browser that supports it. Currently WebRTC is supported by Google, Mozilla Firefox and Opera. WebRTC is not supported by Internet Explorer and Safari.
Below are browser versions currently supporting WebRTC.
Google Chrome 23
Mozilla Firefox 22
Google Chrome 28
Mozilla Firefox 24
Opera Mobile 12
As of August 2014, Internet Explorer and Safari still lack the native support of WebRTC.
To connect to the dialer using WebRTC, choose the option by clicking from a list of connection options.
Once you have chosen WebRTC, you will be asked to allow the system to use your microphone.