Cell2Jack

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  • Return & Refund Policy
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  • Utility
  • landline number porting
  • Buysqaure
  • Buyshopify
  • Home
  • Setup
  • buy
  • FAQ
  • Contacts/support
  • Features
  • Tips
  • User Review
  • Privacy Policy
  • FCC,CE,RoHs certifiation
  • video
  • RotaryPhone
  • flip
  • setting
  • senior
  • return
  • google store
  • Contact US
  • Return & Refund Policy
  • The billing Terms & Condition
  • Utility
  • landline number porting
  • Buysqaure
  • Buyshopify

It is able to receive calls but when I dial a number, it doesn't call out or sound is too low.

For some older model landline phone, it requires more power to operate.
Please follow below link to download our desktop PC utility to update firmware and change the "off hook power" to high pr stronger (see below picture). Also, change MIC volume to higher value if remote party can't hear clearly
www.cell2jack.com/update4


Picture
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