tmnxMobPdnPcAcctRfNumOfRgSvcId 1.3.6.1.4.1.6527.3.1.2.71.2.26.1.17

The value of tmnxMobPdnPcAcctRfNumOfRgSvcId indicates the number of unique Rating Group and Service Identifier pairs for this Pakcet Data Network (PDN) context.