Diameter Signaling Router Measurements Measurements MD-IWF Performance measurements RxMdIwfMapTcBegin RxMdIwfMapTcBegin Measurement ID 15888 Measurement Group MD-IWF Performance Measurement Type Simple Measurement Dimension Single Description The number of TCAP Begin requests received. Collection Interval 5 min Peg Condition Each time MD-IWF receives a TCAP Begin message from the SS7 network. Measurement Scope Site Recovery No action required