
rating and measurement procedure are described in the American National Standards Institute (ANSI) C63.19 standard.
To enter that the Hearing Aid Compatibility rating for your
phone is maintained, secondary transmitters such as Bluetooth and WLAN components must be disabled during a call. See Page 52 for instructions to disable these components.
For information about hearing aids and digital wireless phones
FCC Hearing Aid Compatibility and Volume Control http://www.fcc.gov/cgb/dro/hearing.html
Gallaudet University, RERC http://tap.Gallaudet.edu/DigWireless.KS/DigWireless.htm
Hearing Loss Association of America [HLAA] http://www.hearingloss.org/learn/cellphonetech.asp
The Hearing Aid Compatibility FCC Order
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