can you use auto detected participant and see if you can add more participants
1- On a videoconferencing participant endpoint: Under System Settings > Network > SNMP Settings, Enable SNMP is selected and Trap server address is set to the SMC2.0 IP address.
2- On a telepresence participant endpoint (telepresence host): Under System Settings > Other Users, Network Manager is set to the SMC2.0 IP address.
If the participant uses a HUAWEI TP series telepresence endpoint, the SMC Local Address parameter is set to the SMC2.0 server IP address.
To configure the SMC2.0 to add an auto-detected participant, perform the following steps:
1- Log in to the SMC2.0 web interface.
2- Choose Devices > Auto Detect.
The Auto Detect page is displayed.
Click the arrow of the Model column, select participant endpoint models, and click Query
Select a participant and click Add to System.