Does LTE operator need to MCC and MNC if it provides only DATA?

Question

Is it possible that MCC MNC gets changed in the same Diameter session without changing session ID while in Roaming???
As I have come to across an unsupported scenario when some users are roaming in Iceland operator MCC MNC and suddenly switch to different operator MCC MNC which belongs to the USA within the same DCCA session i.e without closing the PDP context and opening a new one (that should not be possible, unsupported scenario). Is it possible??? I'm confused here.

Answer 1

In 3GPP technologies i.e. GSM LTE operators required MCC and MNC, but WiMax there is no need for MCC and MNC, mostly PLMN is used, but when this operator went for LTE TDD there was need to get MCC and MNC from Telecom regulatory authority.

Comments

I could not understand the statement "WiMax there is no need for MCC and MNC, mostly PLMN is used". As per my knowledge, PLMN consists of MCC and MNC.

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Yes Rupam, PLMN = MCC (3 digits) + MNC (2or3 digits)