FreePBX + Grandstream HT813 Caller id configuration (Portugal)

Hello you all,

So I’ve been trying to have my FreePBX working with Grandstream HT813 but I still can’t get Caller Id shown in the phones.

I have one pjsip trunk fully working (incoming and outgoing calls ) but when checking for the P-Asserted-Identity, and no matter what parameter I use in the HT813, I still get the same number that is the one configured as my User ID in HT8130

Any suggestion ?

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