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Updated: Sep 11, 2026

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Nortel 920-138 Exam Overview:

Certification Vendor:Nortel
Exam Name:NNCSS Succession 1000/1000M Rls. 3.0 Exam
Exam Number:920-138
Exam Format:Scenario-based questions, Multiple choice (MCQ)
Available Languages:English
Related Certifications:920-107 NNCSS Symposium Call Center Exam
920-322 NNCSS Succession 1000/1000M Rls.3.0 DB for Technicians
920-105 NNCSS Symposium Call Center Server Install & Maintenance
920-106 NNCSS Symposium Call Center Exam
920-160 Communication Server 1000 Rls.4.0 Hardware I and M
Exam Price:Not officially published / retired exam (historical); third-party listings ~$50–$130 (unofficial)
Real Exam Qty:59–156 (varies by provider dataset; approx. 156 in updated dumps)
Sample Questions:Nortel 920-138 Sample Questions
Exam Way:Computer-based exam (historically delivered via authorized testing centers / proctored systems)
Pre Condition:No strict prerequisites publicly documented; typically intended for Nortel network/telephony engineers or candidates with basic IP telephony knowledge.

Nortel 920-138 Exam Syllabus Topics:

SectionObjectives
Topic 1: Nortel Communication Server 1000 Architecture- Network integration
  • 1. IP telephony fundamentals
    • 2. Switching and routing integration
      - System architecture and components (CS 1000 / Succession platform)
      • 1. Hardware platform overview
        • 2. Call processing fundamentals
          Topic 2: Maintenance and Troubleshooting- Fault diagnosis
          • 1. Hardware/software fault isolation
            • 2. System logs and alarms
              - Maintenance procedures
              • 1. System upgrades and patches
                • 2. Routine maintenance tasks
                  Topic 3: Installation and Configuration- Configuration management
                  • 1. Feature activation and licensing
                    • 2. Basic system configuration
                      - System installation procedures
                      • 1. Software deployment (Rls.3.0)
                        • 2. Initial setup and provisioning
                          Topic 4: VoIP and Telephony Services- Call routing and control
                          • 1. Call routing logic
                            • 2. Dial plan configuration
                              - Voice over IP fundamentals
                              • 1. Session management
                                • 2. Codec and signaling basics

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