Scalability and Call Quality in Multiparty Calls

Your app works. Now focus on keeping user experience stable as room size and network variability increase.

For more information, see Scalable video and Client observability.

Scalable video basics

Scalable video is supported for VP8 simulcasts (but it is not supported in Firefox). It is supported for VP9 scalable video. It is not supported for H.264 streams.

Practical checks

• Test with realistic participant counts.
• Verify behavior under mixed network quality.
• Tune defaults before adding advanced extensions.