Receive
Capture customer, mobile, device, issue and accessories.
Service desk
Laptop, desktop, printer, CCTV, software and network support should move through a clean service desk instead of informal guessing.

Workflow
Every service case should have a visible state.
Capture customer, mobile, device, issue and accessories.
Check fault, risk, backup need and estimate direction.
Customer approves estimate before major work.
Close with status, payment, warranty note and support path.