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Nortel 920-803 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: Signaling Protocols | - SIP (Session Initiation Protocol) - H.323 architecture and call control |
| Topic 2: Nortel IP Telephony Architecture | - Call routing and session management - Nortel CS 1000 / enterprise voice systems |
| Topic 3: IP Telephony Fundamentals | - Packet-based voice transmission principles - Voice over IP (VoIP) concepts |
| Topic 4: Quality of Service (QoS) | - Traffic prioritization mechanisms - Latency, jitter, and packet loss management |
| Topic 5: Network Security for IP Telephony | - Firewall and NAT traversal for VoIP - Encryption and secure signaling considerations |
| Topic 6: Media Transport and Codecs | - Audio codecs (G.711, G.729, etc.) - RTP/RTCP protocols |
