Here comes the big one: The LTE Initial Attach
messages messages everywhere...
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| LTE initial Attach |
Message Box in Blue Color: NAS messages
Message Box in Red Color: P-GW and PCRF interaction
Looks like the image is not clear enough. The solution is to click on the image and then zoom in. thought of mentioning the workaround :-)
The call flow is self explanatory. This procedure also gives the default bearer setup during the Initial Attach procedure. Bearers will be covered in a separate post.