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Reply To: GT Definitions !!!

#59543
C300G
Guest

E.214 GT composed of CC+NC+MSIN used in AUTH triplets request in LU callflow. Also used in USSD-requests in roaming.

E.164 GT composed of CC+NDC used in almost all other SCCP-based callflows. SMS exchange for example.

E.212 GT – IMSI. I’v never seen it used for something. But opened it on router (just in case).