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