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Updated: Oct 30, 2026
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Nortel 920-803 Exam Overview:
| Certification Vendor: | Nortel |
|---|---|
| Exam Name: | Technology Standards and Protocol for IP Telephony Solutions |
| Exam Number: | 920-803 |
| Exam Duration: | 120 minutes |
| Exam Price: | Not officially published; historical estimate ~$125 USD |
| Available Languages: | English |
| Real Exam Qty: | 55-67 |
| Related Certifications: | Nortel Certified Support Specialist Nortel Certified Technology Specialist |
| Exam Format: | Drag-and-Drop, Multiple Choice, Scenario-based |
| Certificate Validity Period: | Retired / No longer maintained |
| Passing Score: | 60%-70% |
| Sample Questions: | Nortel 920-803 Sample Questions |
| Exam Way: | Computer-based testing at authorized test centers; online proctoring historically available |
| Pre Condition: | No mandatory prerequisites; recommended knowledge of IP networking and basic telephony |
Nortel 920-803 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| IP Telephony Fundamentals | 20% | - Packet voice transmission basics - Circuit vs packet switching - VoIP architecture and concepts |
| Signaling & Call Control Protocols | 30% | - Real-time Transport Protocol (RTP/RTCP) - H.323 protocol suite - Session Initiation Protocol (SIP) - Media Gateway Control Protocol (MGCP) |
| Quality of Service (QoS) & Network Requirements | 20% | - Bandwidth calculation and design - Latency, jitter, and packet loss - DiffServ, IntServ, and RSVP |
| Industry Standards & Interoperability | 15% | - Security and encryption basics - Codecs and compression algorithms - ITU-T, IETF, and ETSI standards |
| Nortel IP Telephony Implementation & Troubleshooting | 15% | - Succession and CS1000 architecture - Protocol analysis and fault isolation - Common deployment scenarios |
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