Measurement Reference Guide Measurements vSTP EIR Performance measurements VstpEirImsiRangeSucc 3.35.8 VstpEirImsiRangeSucc Measurement ID 21610 Measurement Group EIR Performance Measurement Type Simple Measurement Dimension Single Description The number of responses sent using the IMSI range match. The response can be white, black, gray, or unknown. Collection Interval 5 min Recovery No action necessary.