Telephones for hearing impaired to be capable of min. of 12 dBA and a max. of 18 dBA above normal.  If automatic reset is provided, 18 dBA ,may be exceeded.  Public telephones with volume control to be hearing aid compatible and identified by a sign with telephone handset and radiating sound waves.
CBC 1117B.2.8

About Dwight Ashdown

The website is authored by Ashdown Architecture, Inc., a California Architectural firm and Certified Access Specialist (CASp) #112 All content is copyrighted by Ashdown Architecture and may not be used without the written consent of Ashdown Architecture, Inc.
This entry was posted in 21 Telephones and tagged , , , , . Bookmark the permalink.

Leave a Reply

Your email address will not be published.