many of my customers having the same issue.
PC's are I7-13xxx, 16GBRAM, 512SSD, Windows 11 Pro 23H2
3cx cloud hosted v18 update 9.
Yealink WH62 firmware version: 104.435.0.10. - this is the latest firmware available on yealink public website.
Whenever, they answer the phone there is 10sec...