Nortel 920-450 Exam Information and Actual Questions
- Exam Code/Number: 920-450
- Exam Name/Title: Communication server (CS) 1000 rls.4.0
- Certification Provider: Nortel
- Corresponding Certification: Nortel Other Certification
- Exam Questions: 61
- Updated On: Oct 09, 2026
920-450
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Nortel
920-450 Exam
Communication server (CS) 1000 rls.4.0
This exam has been stopped to register, new exam code replace: 920-436
Nortel 920-450 Exam Overview:
| Certification Vendor: | Nortel Networks (legacy; now part of Avaya enterprise portfolio) |
|---|---|
| Exam Name: | Nortel Communication Server 1000 Release 4.0 Installation and Maintenance |
| Exam Number: | 920-450 |
| Related Certifications: | Nortel CS 1000 Administration Nortel IP Telephony Solutions Nortel Unified Communications |
| Exam Format: | Multiple choice, Scenario-based questions |
| Passing Score: | 70% |
| Available Languages: | English |
| Certificate Validity Period: | Legacy certification (no longer actively issued; historically 3 years validity) |
| Real Exam Qty: | 50-70 |
| Exam Duration: | 90-120 |
| Exam Price: | USD $150-$250 (historical; varies by testing provider and region) |
| Recommended Training: | CS 1000 Installation and Maintenance Training (legacy Nortel/Avaya courses) IP Telephony and VoIP fundamentals courses |
| Exam Registration: | Pearson VUE (historical delivery partner) Avaya Certification Program (legacy Nortel CS exams) |
| Sample Questions: | Nortel 920-450 Sample Questions |
| Exam Way: | Computer-based testing (historically delivered via Pearson VUE or authorized testing centers) |
| Pre Condition: | Recommended experience with telephony systems and Nortel CS 1000 fundamentals training; no strict mandatory prerequisites (historical exam structure) |
| Official Syllabus URL: | https://www.avaya.com (legacy Nortel CS 1000 certification information no longer maintained separately) |
Nortel 920-450 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Maintenance and Troubleshooting | - Fault isolation and repair procedures - System monitoring and diagnostics - Log analysis and performance tuning |
| Call Processing and Features | - Call control and feature implementation - Dial plan configuration and routing - Voice services and IP trunking |
| Installation and Configuration | - Hardware provisioning and endpoint configuration - Software loads and release 4.0 upgrade procedures - System installation and initial setup |
| CS 1000 Architecture and Components | - IP telephony infrastructure overview - Media Gateway and peripheral devices - Call Server architecture (CS 1000 core design) |
| Networking and Protocols | - Signaling and media transport - IP addressing and network integration - H.323 and SIP fundamentals in CS 1000 |
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