- General Knowledge
- Architecture
- Customer Requirements
- OSI Model
- Telco Requirements
- ISDN Layers
- I.430 / I.431
- Q.921
- Q.931
- ISDN Service
- BRI
- T1 / PRI
- ISDN Setup
- CPE
- CSU/DSUs and PRI
- ISDN Interfaces
- Telco Provisioning
- Wiring
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- Troubleshooting
- CPE Equipment
- T1 / PRI
- Telco Circuits and Equipment
- Telco Provisioning
- Value Added Services
- Wiring
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