How To Adjust The Volume Control On The Cortelco ITT-2554-44M Phone
https://www.youtube.com/watch?v=xFwmCYRni4Q Do you own a Cortelco ITT-2554 phone? Having trouble hearing your callers? We can show you how to adjust the volume control, simply follow these easy steps. The volume control on the Cortelco ITT-2554 phone is located on the handset. It is a small rotary knob that protrudes from the inside of the […]