Cell2Jack

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  • power
  • Home
  • Setup
  • buy
  • FAQ
  • Contacts/support
  • Features
  • Tips
  • User Review
  • Privacy Policy
  • Share Cell2Jack with two cell phones
  • FCC,CE,RoHs certifiation
  • video
  • dialing issue
  • flip
  • RotaryPhone
  • update4_mac
  • setting
  • update4
  • return
  • senior
  • Return & Refund Policy
  • Contact US
  • How to repair Cell2Jack to a new cellphone
  • google store
  • manual
  • ringing issue
  • instock
  • The billing Terms & Condition
  • Utility
  • DTMF
  • Buyshopify
  • BuyNew
  • USB
  • Call drop
  • landline number porting
  • power

Audio has echo. How to fix it?


Some Cellphone has built in Echo cancellation function and causes interference with our echo cancellation.
Press 80# from your home phone key pad while off hook(should hear an acknowledge tone) then reboot Cell2Jack (power off/on).
Also, Some cellphone only supports Bluetooth earphone but not fully support Bluetooth MIC.
​You need lower your cell phone Bluetooth audio volume below 25% after the call connected.
You only require to setup once.
​Also, Bluetooth audio volume setting won't affect your cellphone normal audio volume.
Note: click volume bar to open audio volume setting.







​

If still have problem, feel free contact us at support@cell2jack.com

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