The T4S Series has an improved speakerphone and it is also hearing aid compatible (HAC) so that a person with hearing loss can hear more clearly. The T4S Series brings major improvements at the same price of the existing T4 Series, that's a win-win. > HD voice: HD handset, HD speaker.
> Hearing aid compatible (HAC) handset. The item "Yealink SIP-T46G 6-Line Gigabit VoIP Phone A GRADE condition" is in sale since Thursday, June 14, 2018. This item is in the category "Computers/Tablets & Networking\Enterprise Networking, Servers\VoIP Business Phones/IP PBX". The seller is "joeski2500" and is located in Long Beach, California. This item can be shipped to United States.