HMR to change PAI uri-user portion when certain criteria not met

Hi Acme Packet Community,

I'm after some assistance in authoring an HMR that will manipulate the P-Asserted-Identity header uri-user portion, but only when particular criteria are met.

 

In 99% of cases, the uri-user portion should be an 8 digit number starting with a 7 and should be left alone, however in cases like tandemed calls where it isn't and could be an E.164 number (starting with a +) or a number starting with a 0 (e.g. 07801123456), I would like to change it to a spoof/valid uri-user portion such as 71212345 the will then allow the outbound call to be placed, based on the call screening criteria I suspect is being employed by the SIP trunk provider (they're still yet to confirm - All they've said is