ISUP Deny Message Condition Rule
The example describes how to deny INVITE messages received from IP address 10.33.7.20 if the message contains ISUP data whose Initial Address Message (IAM) section includes a Called Party Number that begins with "200".
1. | Configure a Message Condition rule in the Message Conditions table with the condition, body.isup.iam.called_party_number isprefix '200': |
2. | Assign the Message Condition rule to the Classification rule associated with the source of the INVITE: |