Does the Call Directory app extension work with SIM / eSIM calls or only VoIP app calls?

Question

ghenry OP

Created Nov ’22

Replies 3

Boosts 0

Participants 2

Hi,

Can I create a Call Directory app extension to block incoming calls to a SIM or eSIM call, e.g. to your mobile number, not inbound to a VoIP app?

I presume because it's part of CallKit, that it has to be part of a 3rd party VoIP app?

Thanks.

Boost

Answer 1

mungbeans OP

Nov ’22

It's the opposite to what you are assuming. If you register a number with CallKit then make a regular call to the handset, then the number will be either blocked or display additional information on the call screen (depending upon if you used CallKit to block or identify the number). However if you make a VoiP call then it is neither blocked nor identified.

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Answer 2

ghenry OP

Nov ’22

Hi Mungobeans,

Thanks for your reply. I missed it, apologies.

Ah, so this is core to mobile calls, not VoIP. That's what I was hoping. Can you register some kind of callback to dynamically query a number to check if it's a known spammer or phishing number on an OUTBOUND call?

Thanks.

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Answer 3

ghenry OP

Nov ’22

Thanks!

Can I do a lookup dynamically on an outbound call via some callback to add a number to that list? For checking if a number is spam or phishing?

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