Call flows for attach / call / csfb / srvcc / handover

Hi Experts,
Can someone recommend some website related to msg flow in attach / call / csfb / srvcc / handover.

Here are the callflows you are interested.
Click on a message to get more details:

Other good resources:

https://techlteworld.com/2020/10/01/lte-csfb-circuit-switch-fall-back/

Hello Experts.

Where can I find Carrier Aggregation call flow?

Configuration is in RRC reconfig messages but activation and deactivation is done based on MAC Control elements.

You won’t find call flows for this.