Acme Packet (MOSC)

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Block inbound on PAI

edited Feb 25, 2019 2:24AM in Acme Packet (MOSC) 2 commentsAnswered

Is it possible to create an LRT or similar to block inbound calls based on the PAI.
We are noticing more SPAM calls coming in now where the From and Contact are set to  Anonymous but there is a number in the PAI.
We cannot block all Anonymous as this would block real calls.
Example header below:

INVITE sip:+442012345678@w.x.y.z:5060 SIP/2.0

Via: SIP/2.0/UDP 172.30.125.30:5060;branch=z9hG4bK0bBf54d4a5c2ec587f5

From: "Anonymous" <sip:AnonymousAnonymous.invalid>;tag=gK0b4b6754

To: <sip:+442012345678@w.x.y.z>

Call-ID: 1611375620_113053186@w.x.y.z

CSeq: 8364 INVITE

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