We are getting the following 403 and need assistance on dete
SIP/2.0 403 Forbidden
FROM: "CINCINNATI,OH"<sip:+15135557313@customer1.sbc1.directroute.com>;tag=gK0006d317
TO: <sip:5135550967@sip.pstnhub.microsoft.com>;tag=2f3f23b461d8472ca560abe407d5cff2
CSEQ: 30117 INVITE
CALL-ID: 186679315_39318390@8.8.8.8
VIA: SIP/2.0/TLS 8.8.8.8:5061;branch=z9hG4bK00B06f1288e6986b1e9
REASON: Q.850;cause=63;text="57a3b8c8-386c-4cbf-bb46-8c8ea150bbee;Current call site state prevents fork to this entity."
RECORD-ROUTE: <sip:sip-du-a-us.pstnhub.microsoft.com:5061;transport=tls;lr>
CONTACT: <sip:api-du-b-usea.pstnhub.microsoft.com:443;x-i=57a3b8c8-386c-4cbf-bb46-8c8ea150bbee;x-c=a9f7ba1c16b556bc83765fe3b6e87180/s/1/ca57a5aa43874096aa09d6791488907b>
CONTENT-LENGTH: 0
ALLOW: INVITE,ACK,OPTIONS,CANCEL,BYE,NOTIFY
SERVER: Microsoft.PSTNHub.SIPProxy v.2021.2.9.1 i.USEA.9
