CORTELCO 255444-V0E-20MD / Wall Ash w/electronic ringer

how to adjust the volume control on the core telco ITT - 25:54 - 44m phone hi and welcome to Startalk telecoms tutorial video series need help with the volume control will help you figure it out today first you'll want to locate the volume control which is a small rotary knob that protrudes from the inside of the handset handle rotating the knob toward the receiver or the upper end of the handset will increase the volume rotating the knob toward the microphone or the lower end of the handset will decrease the volume the minimum volume setting will usually produce a comfortable listening level for a person with no hearing impairment and the volume control will not disable the receiver and it's not as simple as that if you have any questions regarding these steps or this video please contact us at one eight hundred five six 480 45 or you can visit us online at WWE TLC om to learn more abo