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In this seminar you will discover the explosive dynamics of bringing voice and
data together on a single network. You will learn How IP telephony has evolved;
review the typology, architecture, protocols, and special issues. We will
further discuss the IP telephony markets, various products and applications,
infrastructure and services, and network requirements.
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- Introduction to VoIP
- Media Processing and Transmission
- voice encoding/decoding
- codecs - a comparison
- media transmission using RTP/RTCP
- voice quality issues (delay, jitter, packet loss)
- DTMF
- Packet telephony architecture
- The H.323 architecture and protocols
- H.323 architecture
- Registration, Admission and Status (RAS) protocol
- The H.323 call flow (H.225, H.245 & RAS)
- H.323 version history
- Current status
- Session Initiation Protocol
- SIP client
- SIP Servers
- SIP methods
- Session Description Protocol (SDP)
- Detailed call flows
- Suppllementary Services
- SIMPLE (SIP for Instant Messaging and Presence)
- Current status Future directions
- RTP,CRTP, SRTP & RTCP
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- Gateway Decomposition
- Architecture
- Media Gateway Control Protocol (MGCP)
- H.248 (Megaco)
- Comparison
- The Softswitch
- Architecture
- Services
- Main processes
- IP-SS7 interface principles
- H.323-SS7 networks
- SIP – SS7 networks
- SIP-T
- ENUM
- Security in VOIP
- Terminal Authentication
- Firewall adaptation
- NAT/NAPT adaptation
- STUN (Simple Traversal of UDP through NATs)
- TURN (Traversal using Relay NAT)
- Session Border Controller (SBC)
- Standard bodies and efforts
- Real life IP Telephony networks
- Summary
- Bibliography
- Glossary
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- Professional people in the communication and IT, Engineers, software developer,
Technical support, field engineers
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- Basic knowledge of: IP Networks, Basic Telephony
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