Course/Exam Encapsulation

The VoIP Illustrated course is encapsulated within the SIP/VoIP Illustrated hybrid/master course. Questions for the VoIP expert exam are taken only from Modules tagged as ‘VoIP Illustrated’ or ‘SIP/VoIP Illustrated’.

Contents and methodology    

VoIP concepts, architecture, call flow examples, hands-on eLAB and 50 puzzle pieces, which together make up the big VoIP puzzle.

Intended audience

Both technical and marketing people who seek an overview of VoIP.  

Prerequisites

No prior knowledge is assumed 

Outline

Module 1 - VoIP Basics

History of SIP and VoIP, The key problems with the existing Telephony, The VoIP/SIP Solution, Caution about SIP and VoIP (HA, QoS, Security) , How SIP/VoIP overcomes the issues of concerns , SIP/VoIP killer Apps. Quiz.

Module 2 - VoIP Technical Overview (mainly illustrated via SIP and RTP. compared to H.323)

Concepts and functionality, registration and location discovery mechanisms, SIP URIs, related protocols (SDP, DNS, RTP and audio/video/app/text codecs, MIME, HTTP, H323), SIP messages, SIP elements (SIP phone, proxy, redirect server, registrar, gateway, NAT/Firewall), SIP services, Interaction with PSTN, etc, Quiz.

Module 3 - VoIP Technical Concepts/Advantages

IP based protocol versus circuit based, SIP programming environment (CPL, Voice XML, JAIN, API, SIP Servlets, SIP CGI), Relation between SIP and DNS, The transaction concept, UTF-8 format of the messages - the idea behind it, similarity and difference between SIP and HTTP, SMTP, What issues are out of the scope of SIP, The inevitable comparison: SIP versus H.323, Quiz.

Module 4 - 50 VoIP Related Terms/Advanced Topics

Cellular environment (3G), Wi-Fi, Admission Control, Bandwidth/codecs, CPL, CRM, DNS, ENUM, Floor Control, H.261, H323, HTTP, High availability, IETF, Instant Messaging and Presence, IP Backbone, Megaco/MGCP, MIME, MMS versus VoIP, MOML, MSML, NAT/ALG/SBC, Online service, PBX, PCMU, Policy control, PSTN/ISUP, QoS Key Attributes, RTCP, RTP, SDP, Security, SMS, SMTP, TLS, Traffic control, TRIP, Unicast versus Multicast, Voice XML, WAP, etc, Quiz.

Module 5 - VoIP/SIP Based Services

Auto Conference, Call Filtering to Mail, Personal/Selective Presence, Transfer to Web, Web Caller ID, Web IVR, etc. Illustrative module. No Quiz. Does not derive questions for the expert exam.

Module 6 - Call Flows (examples)

Illustrates how SIP, RTP, H.323, DNS and PSTN work together. Quiz.

Module 7 - VoIP/SIP in the Market place

The standards evolution of SIP and VoIP, Detailed description of the SIP Working Groups, Testing - IOTs, SIPIt. Introduction and analysis of key Commercial products - Conference broker, SoftSwitch, SIP phones, SIP gateways, servers, Instant Messaging and Presence applications, SIP PBX, Voice XML, Java enabled phones, SIP API, Analog adapters, Web managed interfaces. SIP services - Voice transport for residence, Voice transport for biz and enterprise, Carrier centric services, Overlay SIP services, Wireless, Others. Quiz.

Module 8 - SIP/VoIP eLAB/References/Resources

X-Lite/Ethereal LAB. Embedded hands-on Quiz/Exercises. Links to VoIP standards

Summarizing Quiz.