what is the HD button for

[CaptainA1]

There is a HD button on the back of my digital voice phone but I don't know if it has a function? Any ideas 💡 🤔 

[jac_95]

Hi CaptainA1,

Thanks for the post and welcome to the Community.

This is an automated response as I can see you have a question about BT’s Digital Voice service. Rather than waiting for a response from the Community, you may find an answer to your question by using the search bar on the Community homepage. We also have a thread that contains a wealth of info related to BT’s Digital Voice, click this link to take a look, Digital Voice FAQs.

To learn more about the nationwide change to this Internet based voice service visit landlinesgo.digital

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[jac_95]

If it's the silver circle on the back of the BT Digital Voice handsets that are engraved with the letters HD then I don't think it's a button but just some marking to state it supports HD encoding/calls.