Network issue ( may caused by fortigate firewall )

I am experiencing a instability during virtual meetings ( teams , zoom ,… etc) and suspect that it may be caused by my Fortigate 100 series firewall. I am not sure if any recent changes to my network configuration have contributed to this issue.

Skills and Experience:
- Experience troubleshooting network issues and specifically with Fortigate firewalls
- Knowledge of Fortigate 100 series firewall configuration and troubleshooting
- Familiarity with network protocols and troubleshooting techniques
- Ability to diagnose and resolve virtual meetings ( teams , zoom ,… etc) connection issues