CTT Overview

This page is the landing page for CTT-related business flows.

API Endpoints

No single designated endpoint.

Use child pages for exact routes such as:

• POST /ticket/verification/ctt
• POST /ticket/ctt/link
• POST /ticket/ctt/unlink
• PUT /ticket/ctt/activity-status/update/:activityId
• POST /ticket/ctt/cpe/update/:id
• POST /ticket/ctt/create-case

What this section covers

Use the CTT subsection when you need to understand:

• when CTT verification happens
• when cases can be linked or unlinked
• how CTT status movement should be understood
• which flowchart to open for a specific CTT scenario

Best reading order

1. start with the main CTT diagram: CTT Overview PDF
2. read CTT Verification for decision and validation context
3. read CTT Link and Unlink for relationship changes
4. read Manual CTT Link for focused single-link behavior
5. read Manual CTT Unlink for focused unlink behavior
6. read Unlink Then Relink for safe correction flow
7. read Bulk Link CTT for batch relationship changes
8. read CTT Status Rules for state movement logic
9. read CTT Bulk Status Helper for batch resolved/update behavior
10. read Update CPE Info for Managed Services device updates
11. read Additional Create TaaS Case for downstream TaaS case creation

Main CTT business topics

Topic	Use it for
Verification	understanding whether a case is allowed to proceed
Link and unlink	understanding how related case relationships are created or corrected
Status rules	understanding which state changes should be allowed
Bulk status helper	understanding how resolved/update logic runs in batch
Update CPE info	understanding managed-services-only CPE mutation flow
Additional TaaS case	understanding downstream case creation behavior

Related references

• CTT Flowcharts
• Ticket Service
• Queue Services

Suggested next additions

• actor-by-actor responsibility notes
• CTT list and detail behavior
• note and attachment mutation rules