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