Core Mean Opinion Score (MOS) refers to the network support structure on which the RingCentral Points of Presence (PoP) function. This refers to the MOS of audio media sent on RingCentral cloud and does not include the audio media sent on the public internet, a user’s own network, or the PSTN. The Percent Core MOS Performance widget shows the percentage of calls with RingCentral core MOS higher than or equal to 3.5 in the left circle graph. The right circle graph shows core MOS higher than or equal to 3.8.
Note: The RingCentral network does not include the public internet, a customer’s own private network, or the PTSN.