Solve This (? + ? + ?=30)
If 1111=R, 2222=T, 3333=E, 4444=N Then 5555=?
Guess the Hindi Muhawara from the following whatsapp Emoticons?
Sweet, Medicine, Film, Girl, City, Car, Place, Doggy all are name same, guess which word it is?
A girl is blind, deaf, dumb and uneducated too. A boy loves her. How would he propose without touching her?
Four Question, One Answer: One River Name, One Flower Name, One Film Name, One Actress Name?
Guess me who am I, I am the first on earth, the second in heaven...
Which Indian cricketer is known as "Brown Bradman"?
What weapon used in the middle ages had cord of a bow fixed in a notch and an iron bolt released from it by a trigger?
Before taking office, both US president George W Bush and his vice president Dick Chaney had been convicted of what?
UE does not need to (but it can if it is configured with one) to define APN. This can be a parameter fetched from HSS that is e.g. assigned as a default server for all the UEs in this PLMN for initial attach.
Only when a UE intends to create a PDN connection, it sends Attach request embedded with ESM PDN connectivity request, it indicates APN in the 'Access point Name' IE. Otherwise it would'nt. It would simply attach to the existing PDN(already connected previously).
This link provides comprehensive PCAPs for all messages.
From UE point of view, I want to know when UE triggers integrity protected Attach request and when it sends as plain message ?
Does UE send APN information while registering with network using the "Attach request" message ?
How MME come to know that UE should attach to APN "XYZ" ?
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