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The SIP Reason report is organized by
Sum of All Customers
Each Customer
Each Cause Code
Each Vendor (Relationship and Trunk Group) (if applicable)
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RELATIONSHIP - The name of the Relationship.
TRUNK GROUP - The name of the Trunk Group.
ATTEMPTS - The number of call attempts with the SIP Reason code.
PERCENTAGE - The number of calls with the SIP Reason code divided by the number of call attempts times 100.