Understanding Voice over IP
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Voice over IP is a buzz-word heard very frequently today in the context of the integration of voice and data on the same existing data network. By the end of the course, the delegates will be able to understand the basic concepts behind VoIP, and be capable of placing this technology in the appropriate context. Participation would be an ideal means of understanding the necessary introductory material prior to attending a manufacturer’s course.
Who Should Attend?
This courseis ideal for personnel who require an understanding of VoIP to help them to evaluate the benefits of this technology. A good understanding of basic IP networks, and data communications would be an advantage.
Course Objectives
The objective of this course is to provide an understanding of this rapidly emerging technology, together with its benefits and drawbacks. Delegates will understand how VoIP will fit into the concept of a converged infrastructure.
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Further Details
Focus
Introduction to VoIP
Voice communications
Circuit switching and packet switching
Telephone number plans
Addressing within IP
Address Classes
TCP/IP encapsulation
Voice telephony signalling
DTMF dialling
FXO and FXS
Q.931 and SS7
Service interoperability
Delay in voice networks
Talker overlap and echo
VoIP and the Gateway
Emulation of circuit and packet services
VoIP standards
QoS models
The H.323 family
Voice compression techniques
Mean Opinion Score
Network delays
The Internet and the Intranet delays
The Datagram and its control
Delay and jitter
Lost packet compensation
Limitations of H.323
IETF proposals
SIP as an alternative to H.323
H.323 in detail
The full protocol stack
Gateways, Gatekeepers, MCUs
H.225
Registration with Gateways
Call setup and call clearing
Real time protocols
RTP, RTCP
Marker bits and Talk Spurts
RTCP and port numbering
Firewalls
Dealing with QoS
Value added services
IP precedence
Priority queuing
QoS models
This Training Course is taught in classrooms in the following locations:
Swansea
St. Albans
Information provided is for information purposes only and no guarantees are made with regards to accuracy. It is advised that all details are checked prior to making a booking. Contents © 1999 - 2012. All rights reserved.
