VoIP course Expert level by VOIP Guru

Networking Basics

1. Switching & Routing concepts
2. Functional mappig-OSI model
3. VLAN basics
4. DHCP & DNS
5. NAT
6. Configuring a Cisco Switch
7. Configuring a Cisco Router
8. Network for IP-Phones

Extensive VOIP

1. PSTN telephony
2. ISDN protocol in PSTN networks
3. PSTN to VOIP migration
4. Advantages of VOIP
5. Deep dive into SIP protocol
6. SIP & ISDN interworking
7. SIP Gateway
8. VOIP Deployment Models
9. Supplementary Services
10. SIP call flows
11. Real time protocol
12. SDP in SIP
13. Interview preparation/Mock interviews
14. STLC
15. Defect tracking tools
16. Test strategy design
17. Testcase writing
18. Negative scneario testing

Lab

1. Hands on with Call Manager
2. IP-Phone registration
3. Configuring Dial Plans
4. Configuring a SIP trunk
5. Supplementary Services
6. Manual Testcase execution
7. Debugging Call flows
8. Projects
9. Testcase writing; Test strategy
10. Defect Tracking tools
11. Wireshark usage
12. Log collection and analysis

SIP Protocol Coverage

Why SIP? What is SIP?Where does SIP fit in? SIP Clients and Servers SIP User Agents Simple Call Session Setup SIP System Architecture URI -Unique Resource Identifier SIP Addressing SIP Addressing Examples

SIP Messaging: Request Methods Response Codes SIP Headers INVITE and reINVITEINVITE and Update BYE and Cancel Session Policies INFO,PRACK,SUBCSRIBE,OPTIONS .

SIP Servers and Operation: Registration SIP Proxy servers Proxy Server State types DHCP and SIP
SIP Server Proxy Mode SIP Server in Proxy ModeSIP Server in Proxy Redirect Mode
Stateful and Stateless Proxies VIA and Record Route VIA Details Record-Route

SDP the Session Description Protocol: SDP in a SIP MessageMultiple m lines SDP Example
SDP Example -Call Hold TraceMusic on Hold example Codecs

SIP features & B2BUA: SIP Call Forking Call legs, dialogs & Call IDsDialog trace exampleDialogs & TransactionsBranch IdsCFBCFNAReplaces headerDiversion headersTransfersConferencing

SIP and the PSTN: SIP-ISDN call flows SIP Over NAT; SIP behind a Firewall

RTP: RTP & UDP Packet StructureRTP debuggingTranscoders