we have a problem with a YEASTAR S system of a customer.
Again and again, especially at the start of work, various problems occur and the system must be rebooted.
The following malfunctions occur
Inbound accessibility disturbed.
Outgoing no call possible.
We have already spent several hours with the support but the customer keeps calling with the same problems.
The customer has a mixed network with fixed and dynamic IPs, can this be the cause of the problem?