https://community.cisco.com/t5/ip-telephony-and-phones/clarity-ha40-amplifier-compatible-with-cisco-landline-phone/m-p/5207396#M417191 <P>Can you use a Clarity HA40 phone amplifier&nbsp; with a Cisco CP78413PCC landline business phone for someone that is hearing impaired&nbsp;</P> <P>in order to hear clearly on the phone?</P> <P>Thanks, Karis Seiber</P> Fri, 11 Oct 2024 21:10:38 GMT karis23 2024-10-11T21:10:38Z https://community.cisco.com/t5/ip-telephony-and-phones/clarity-ha40-amplifier-compatible-with-cisco-landline-phone/m-p/5207396#M417191 <P>Can you use a Clarity HA40 phone amplifier&nbsp; with a Cisco CP78413PCC landline business phone for someone that is hearing impaired&nbsp;</P> <P>in order to hear clearly on the phone?</P> <P>Thanks, Karis Seiber</P> Fri, 11 Oct 2024 21:10:38 GMT https://community.cisco.com/t5/ip-telephony-and-phones/clarity-ha40-amplifier-compatible-with-cisco-landline-phone/m-p/5207396#M417191 karis23 2024-10-11T21:10:38Z https://community.cisco.com/t5/ip-telephony-and-phones/clarity-ha40-amplifier-compatible-with-cisco-landline-phone/m-p/5207790#M417198 <P>Technically, it should work since it’s a device inserted between the headset and phone. However, I’m not sure if increasing the volume might cause problems for the headphone speakers.</P> Sun, 13 Oct 2024 06:28:53 GMT https://community.cisco.com/t5/ip-telephony-and-phones/clarity-ha40-amplifier-compatible-with-cisco-landline-phone/m-p/5207790#M417198 Nithin Eluvathingal 2024-10-13T06:28:53Z