Exam Code: 920-534
Exam Name: Carrier VoIP Solution Engineering and Performance
Certification Provider: Nortel
Corresponding Certification: Nortel Other Certification

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Updated: Sep 13, 2026

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Nortel 920-534 Exam Overview:

Certification Vendor:	Nortel
Exam Name:	Carrier VoIP Solution Engineering and Performance
Exam Number:	920-534
Related Certifications:	Nortel Certified Design Specialist (NCDS) Nortel Carrier VoIP Series
Exam Duration:	90 minutes
Available Languages:	English
Real Exam Qty:	96-108
Passing Score:	70-75%
Exam Format:	Scenario-Based Questions, Multiple Choice
Certificate Validity Period:	2-3 Years (Legacy Standard)
Exam Price:	Not Officially Published (Legacy Exam, Approx $125-$150 USD historically)
Sample Questions:	Nortel 920-534 Sample Questions
Exam Way:	Proctored onsite at authorized test centers (Legacy delivery)
Pre Condition:	Recommended knowledge of Nortel Carrier VoIP products, IP networking, and PSTN telephony; no mandatory prerequisite exam

Nortel 920-534 Exam Syllabus Topics:

Section	Weight	Objectives
Topic 1: Performance & Quality of Service	25%	- Delay, jitter, packet loss metrics - Traffic management and congestion control - Codec selection and bandwidth calculation
Topic 2: Engineering & Design Principles	25%	- Capacity planning and dimensioning - Interworking with PSTN and legacy networks - Network scalability and redundancy
Topic 3: Implementation & Optimization	15%	- Troubleshooting methodology - Performance monitoring tools and KPIs - Deployment considerations for Nortel VoIP solutions
Topic 4: Carrier VoIP Architecture & Fundamentals	25%	- Transport and QoS mechanisms - Signaling protocols: SIP, H.323, MGCP, MEGACO/H.248 - Carrier-grade VoIP network components
Topic 5: Reliability & Security	10%	- High availability architectures - VoIP security and fraud prevention

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