What about Interoperability between Safari 11 and Internet Explorer?

The OpenTok Internet Explorer plugin currently only supports the VP8 codec. This means that participants using Safari 11 and Internet Explorer can only communicate using audio. If a participant using Internet Explorer connected to a session that was created using a Safari project key, the participant will not be able to see the video from other participants and will have an audio-only experience. The warning message “Video format not supported” will be disabled on the screen of Internet Explorer.

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