| 摘要 |
Disclosed are systems and methods for using messages received from a remote switch to detect remote call forwarding. Embodiments utilize call intelligence associated with a database on an SS7 network to receive messages from a terminating switch. The return address of the message may be compared to an expected terminating switch address to confirm that the expected switch terminated the call. Embodiments may further compare a terminating phone number contained within the received message to an expected terminating phone number. Embodiments provide for various call handling in the event that a query is received from a switch other than the expected terminating switch. Such call handling may include terminating the call, recording the call, attempting to identify the called party, notifying proper authorities of the call, and/or the like. Embodiments of the invention may be deployed as part of a controlled environment facility service provider system, or in particular a detention facility service provider system.
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