We have four remote PBXs SIP trunk connected allowing them to have extension to extension direct dialing.
I want to prevent these same 4 trunks from making outbound calls to the PSTN.
Does anyone have a way to do this?
Thank you.
We have four remote PBXs SIP trunk connected allowing them to have extension to extension direct dialing.
I want to prevent these same 4 trunks from making outbound calls to the PSTN.
Does anyone have a way to do this?
Thank you.
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