Packet Loss Resistance Configurations; Figure 16: Video Conference Settings - Grandstream Networks UCM6300 Series User Manual

Packet Loss Resistance Configurations

To achieve good audio and video quality when there are many participants joining meeting from link, it is
recommended to configure below packet loss resistance related settings on the UCM.
Log in UCM web UI → Call Features → Video Conference, open Conference Settings page to configure
the following options:
Audio Codec Preference:
-
Select Opus to add to the selected codec list. Opus has built-in inbandfec support which can
prevent packet loss.
Packet Loss Retransmission:
-
•
NACK: Retransmit original packet
•
NACK+RTX: Retransmit packet with new RTP header. This option provides more accurate
packet loss statistics compared to NACK.

Figure 16: Video Conference Settings

UCM6300 Series: RemoteConnect User Guide
Version 1.0.7.12
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