This test case is used for validating the behaviour of MME and whether it sends Attach reject with valid cause when eNB sends Initial UE Message with initial Attach Request with Identity type to IMEI, Attach Type “Emergency” and UE network capability IE set to EIA0.

The International Mobile Subscriber Identity (IMSI) is a code used by the phone company to identify the SIM on the mobile network. It consists of a Mobile Country Code (MCC), a Mobile Network Code (MNC) and a Mobile Station Identification Number (MSIN).

The IMEI (International Mobile Station Equipment Identity) is an international “Serial number” for identifying devices on the carriers network.

This test case is used for validating the behaviour of MME and whether it sends Attach reject with valid cause when eNB sends Initial UE Message with initial Attach Request with Identity type to IMEI, Attach Type “Emergency” and UE network capability IE set to EIA0.

The pre-requisites of this test