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Course Outline
Learning Objectives:
- Explain call signaling and setup procedures in voice networks.
- Detail the transport of voice media and bandwidth requirements for VoIP calls.
- Outline SIP standards, services, messages, and return codes.
- Describe basic call setup mechanisms using SIP.
- Analyze SIP flows and Session Description Protocol (SDP).
- Explain the registration process and placing calls via a SIP Server.
- Discuss IP PBX systems and call conferencing.
- Clarify SRV records and DNS functionalities.
- Explain URI/URL/URN, ENUM, and NAPTR records.
- Describe service-to-address mapping techniques.
- Outline SIP-T and SIP-I protocols.
- Detail SIP early media and SIP trunks.
- Illustrate call flows between the PSTN and IP networks using SIP.
- Explain Secure SIP, Secure RTP, and Secure RTCP.
- Review typical Secure SIP implementations.
Practical Exercises:
- Lab Exercise 1: Implementing Practical SIP in a LAN environment with Xlite.
- Lab Exercise 2: Analyzing SIP Packets using Wireshark.
- Lab Exercise 3: Exploring SDP, Presence, and Instant Messaging.
- Lab Exercise 4: Managing Call Flows with a SIP Server.
- Lab Exercise 5a: Performing SIP Registration with DNS.
- Lab Exercise 5b: Investigating Call Flows with DNS.
- Lab Exercise 6: Configuring SIP Trunks.
- Lab Exercise 7: Implementing Security via IPSec.
- Lab Exercise 8: Enhancing Security with Secure SIP.
Requirements
- Delegates are expected to possess working knowledge of TCP/IP.
- A fundamental understanding of VoIP is advantageous.
21 Hours
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