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Exam Code: 920-534

Exam Name: Carrier VoIP Solution Engineering and Performance

Updated: Jul 25, 2026

Number: 96 Q&As with Testing Engine

920-534 Free Demo download

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Nortel 920-534 Exam Overview:

Certification Vendor:	Nortel
Exam Name:	Carrier VoIP Solution Engineering and Performance
Exam Number:	920-534
Available Languages:	English
Exam Format:	Multiple Choice Questions (MCQ)
Real Exam Qty:	Approx. 90–120 (commonly 108 in exam prep sources)
Sample Questions:	Nortel 920-534 Sample Questions
Exam Way:	Typically proctored certification exam (historically Pearson VUE / authorized testing centers; availability may be legacy/retired depending on region)
Pre Condition:	No strict official prerequisites published; networking fundamentals and basic VoIP knowledge recommended.

Nortel 920-534 Exam Syllabus Topics:

Section	Objectives
Topic 1: IP Telephony Protocols	- SIP session setup and teardown - RTP/RTCP media transport - H.323 call control and interoperability
Topic 2: Carrier Network Infrastructure	- Media gateways and PSTN interconnection - IP/MPLS backbone integration
Topic 3: Fault Management and Troubleshooting	- Call failure diagnosis and signaling analysis - Voice quality monitoring and KPIs (MOS, R-factor)
Topic 4: QoS and Performance Engineering	- Codec selection and bandwidth optimization (e.g., G.711, G.729) - Traffic engineering for VoIP carriers - Latency, jitter, packet loss impact on voice quality
Topic 5: VoIP Fundamentals and Architecture	- VoIP network components (gateways, softswitches, SIP/H.323) - Carrier VoIP architecture and signaling flow

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