Cisco phone keeps trying to register on 3CX, and either 1, gets stuck and restarts itself, or 2, keeps trying to register constantly to no avail. Config files were generated automatically by
Comparaison AVAYA CISCO ET 3CX - YouTube
3CX supported phones | Orbex Solutions
Support to install and configure cisco ucm and 3cx
Give iconic Cisco 7940 IP Phones a new lease of life with 3CX