Remove 3 digits on inbound route

Is there a way to do it on GUI?

I need to remove 3 digits when I receive any call on a specific trunk.
I know how to do it when dialing out.
How to do it when there is an inbound call?

Checkout the setcallerid module, think this does what you are looking for.

I don’t know about SetCallerID for this application, but there is a special inbound context in the /etc/asterisk/extensions_additional.conf that does this sort of inbound CID and DID trimming. Something with ‘e164’ in it, IIRC.

https://wiki.freepbx.org/plugins/servlet/mobile?contentId=28181994#content/view/28181994

${VARIABLE:s:n}
Starting at character s grab n characters

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