Find all needed information about Hearing Aid Support M4. Below you can see links where you can find everything you want to know about Hearing Aid Support M4.
https://www.verizon.com/about/accessibility/hearing-aid-compatibility
Customers who plan to listen to phone calls with their hearing aids in microphone mode (M mode) should look for a phone with an M-rating of M3 or M4. Your phone and your hearing aid will each have their own M-rating. For the best experience, it is recommended that the phone’s M-rating and the hearing aid’s M-rating add up to at least 5.
https://support.sonymobile.com/us/xperiam4aqua/userguide/hearing-aid/
Xperia® M4 Aqua support overview The hearing aid compatibility option ensures that audio from your device works with standard hearing aids. To Enable Hearing Aid Compatibility
https://www.xfinity.com/mobile/support/article/hearing-aid-phone-compatibility
Nov 22, 2019 · Phones receive an M-rating for their compatibility with acoustic hearing aids. The rating scale is M1 to M4, with M4 indicating the highest level of compatibility and the best signal. For compatibility with telecoil hearing aids, phones receive a T-rating, from T1 to T4, with T4 being the best. To determine whether a phone is likely to work well with a particular hearing aid, add the rating of the …
https://apple.stackexchange.com/questions/133153/what-are-m4-t4-protocol-of-hearing-aid-compatibility-of-gsm-cdma-model-of-ip
If you see a M3, M4, T3 or T4 on the box then the phone has been designated as HAC compliant.. About the T "T" refers to the phone's coupling ability and is intended for use with hearing aids in the telecoil mode. The higher the "T" number the more likely you will be able to use the phone with your hearing aid on the telecoil setting.
https://www.healthyhearing.com/help/assistive-listening-devices/hearing-aid-compatible-phones
hearing aid compatible (HAC). ... The highest possible rating is M4/T4. You also can check with your local hearing care provider for help and recommendations regarding hearing aid compatible phones. They can provide advice in the context of your specific needs, and they can help you learn how to use your chosen devices for best results. ...Author: Joy Victory
https://www.att.com/esupport/article.html#!/wireless/KM1207494
M4 is the highest. The higher the rating, the more likely the phone avoids interference. Under FCC rules, a phone must have an M-rating of M3 or M4 to be hearing aid compatible. These phones are less likely to interfere with hearing aids. Some hearing aids are also measured for resistance to interference. Want to know about yours?
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