If your MiiTel Phone is taking a long time to ring after clicking Call, the following may be the cause of the problem. Please read the details below.
Due to network congestion, establishing voice communication can take more time than usual. Please check if the network congestion can be solved by referring to Voice breaks up during a call.
The computer is overloaded
If your computer is overloaded due to running many applications or having many browser tabs open, establishing voice communication can take more time than usual. This issue can be resolved by closing unnecessary applications and browser tabs.