Company Ciscoexam reports that their SAF calls are being routed through the PSTN. Which cause of the issue is true?

A.	TCP Connection Failure has occurred between the SAF Forwarder and Cisco Unified Communications Manager.
B.	Cisco Unified Communications Managed did not increment the service number correctly.
C.	The maximum number of learned patterns have being reached.
D.	Cisco Unified Communications Manager did not construct the SAF message correctly.