What are volume control telephones?
Volume control telephones allow the user to amplify the sound output level of the telephone receiver. In addition to benefitting persons with hearing loss and persons losing their residual hearing later in life, volume control can also benefit persons who must use telephones in noisy environments.
Related Questions
- How do I control a communication method to control the voice volume? What will happen to the switch and communication function operated in the COMBO example?
- As an employer, do I have to replace all of my telephones with volume control telephones by January 1, 2000?
- What are volume control telephones?
