Hi everyone,

We are going to switch form Siptrunk provider. our new provider needs ‘p-preferred-identity’ for signalling.
We handle our CID’s throught our outbound routes, is there an easy way to add the ‘p-preferred-identity’ to our PBX?

The problem is that when I use the trunk without the right signalling protocol, the receiver of the call sees our account number and not the set CID from the PBX.

Thanks in advance!

There’s a few old threads on this here have you had a look at them?

This one for example: Freepbx sip custom header P-Preferred-Identity

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