Nortel 920-139 Exam Information and Actual Questions

Exam Questions: 60
Updated On: Oct 10, 2026

920-139
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This exam has been stopped to register, new exam code replace: 920-328

Certification Vendor:	Nortel Networks
Exam Name:	NCDS Multimedia Communication Server (MCS) 5100 Release 3.0
Exam Number:	920-139
Exam Format:	Scenario-based, Multiple Choice
Available Languages:	English
Related Certifications:	Nortel Certified Technology Specialist (NCTS) Nortel Certified Support Specialist (NCSS)
Real Exam Qty:	60-72
Certificate Validity Period:	3 years
Exam Duration:	90 minutes
Passing Score:	70%
Exam Price:	USD $125-$150
Recommended Training:	Nortel authorized MCS 5100 3.0 training course
Exam Registration:	Former registration: Pearson VUE
Sample Questions:	Nortel 920-139 Sample Questions
Exam Way:	Proctored onsite at authorized test centers; retired exam no longer available for new registration
Pre Condition:	Recommended: Basic knowledge of VoIP, SIP, and IP networking; no mandatory prerequisites
Official Syllabus URL:	https://www.nortel.com

Section	Weight	Objectives
Topic 1: System Management & Maintenance	15%	- Software upgrades and patches - Backup and restore procedures - System monitoring and logging
Topic 2: Signaling & Protocols	25%	- SIP protocol fundamentals - Codec selection: G.711, G.729, G.723.1 - MGCP and media control - H.323 interworking
Topic 3: Installation & Configuration	25%	- Subscriber and service provisioning - Database and redundancy setup - IP addressing and network configuration - Server installation and licensing
Topic 4: Troubleshooting & Performance	15%	- Call flow analysis and fault isolation - Media quality and QoS issues - Common error scenarios and resolution
Topic 5: MCS 5100 System Overview & Architecture	20%	- Hardware and software architecture - Network positioning and deployment models - System components and modules