AEGIS-2510-ASH is an ash desk set phone. Includes features such as has a sturdy double-gong bell ringer heavy metal base ringer control (high/low) ADA-Compliant volume control. For Demanding Environments Scitec industry standard 2554 desk sets are designed to operate in the most demanding work environments. In the office warehouse or plant on military bases and local state and federal government properties Scitec desk phones are on the job