tmnxMobPdnApnPreAuthSupImsi 1.3.6.1.4.1.6527.3.1.2.71.1.24.1.7

The value of tmnxMobPdnApnPreAuthSupImsi specifies to remove the 3GPP-IMSI attribute when sending an pre authentication message. When the value of tmnxMobPdnApnPreAuthSupImsi is not specifed, the 3GPP-IMSI attribute shall be sent.