Records needed for this question
Call-detail records, forwarding configuration and routing terms.
How to investigate
Link the inbound and forwarded legs using timestamps and routing references, then price each eligible leg.
An illustrative review decision
A forwarded call can generate an inbound and outbound leg under the rate agreement. Review the call sequence before declaring identical timestamps to be duplicate billing events.
What can lead to the wrong conclusion?
Similar durations can represent distinct chargeable legs of one call.
The result to retain
A call-path reconstruction with disputed legs identified.
Apply the review in context
Review carrier invoice evidence, inventory, findings and recovery cases in AuditRes Telecom.
This guide describes a human review method, not a claim that every scenario is automatically detected or executed. Explore AuditRes Telecom.