voice and video over ip ppt
Tài liệu Voice and Video Conferencing Fundamentals pdf
Ngày tải lên :
23/12/2013, 04:17
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This chapter covers the following topics:
■
Conference types
■
Voice ... TUI/
Voice Recognition
Audio MC
H.323/SIP
Audio
MP/Mixer
Video
MP/Mixer
or Switch
Video
Transrater
Xcoder
DSP
IVR
Player/Recorder
Video MC
H.323/SIP
Transcoder/Transrater
H.323/SIP
IVR
H.323/SIP
... conferencing and collaboration systems has become
more complex.
Voice and Video Conferencing Fundamentals
provides a comprehensive view of
audio and video conferencing concepts, and a clear and...
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Overview of the PSTN and Comparisons to voice over IP
Ngày tải lên :
30/09/2013, 05:20
... which it and other
voice networks are evolving to the point at which they combine data, video, and voice.
The Beginning of the PSTN
The first voice transmission, sent by Alexander Graham Bell, ... Protocol (UDP) /IP header to
provide timestamping . RTP runs atop UDP and IP and is commonly noted as RTP/UDP /IP. RTP is currently
the cornerstone for carrying real-time traffic across IP networks. ...
covers how they are maintained and deployed.
ã In late 1998, the IETF put IPDC and SGCP in a room and out popped MGCP. MGCP is basically
SGCP with a few additions for OAM&P. MGCP is covered...
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Voice over IP Applications and Services
Ngày tải lên :
30/09/2013, 05:20
...
session target ipv4:192.168.102.2
!
dial-peer voice 2 voip
description "calls to Denver office"
destination-pattern 5….
!
dial-peer voice 3 voip
description "calls to IP Phones ... matched
against a VoIP dial-peer to complete the call.
!
session target ipv4:192.168.103.2
!
voice- port 1/0:3
connection trunk 999
!
dial-peer voice 1 voip
description "trunk/opx ...
interface FastEthernet 1/0/0
ip address 192.168.100.1 255.255.255.0
ipx network 100
!
interface FastEthernet 1/0/1
225
Chapter 15. Voice over IP Applications and Services
As enterprise...
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Voice over IP Benefits and Applications
Ngày tải lên :
30/09/2013, 05:20
... II: Voice over IP Technology
Chapter 6 Voice over IP Benefits and Applications
Chapter 7
IP Tutorial
Chapter 8
VoIP: An In-Depth Analysis
Chapter 9
Quality of Service
Chapter 6. Voice over ... network) and ICW.
Figure 6-11. ICW Call-Flow
104
The voice network uses multiplexers to connect voice and data networks across one T1 circuit. When voice is
not being used, however, the voice ... voice network. The following issues and applications are addressed:
ã Benefits of Voice over IP (VoIP), including cost savings, single infrastructure savings, and new
applications
ã Using a packet...
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Voice over IP : Protocols and Standards
Ngày tải lên :
26/10/2013, 16:15
... hardware standards for internet telephony.
See Also: Voice over IP - Products, Services and Issues | Voice over IP (Lecture by Dr Jain) | Voice over ATM | H.323
and Associated Protocols | VOIP References ... protocols and standards
●
References
●
List of Acronyms
●
INTRODUCTION
Voice over IP (VOIP) uses the Internet Protocol (IP) to transmit voice as packets over an IP network. So VOIP can be
achieved ... Provides call signaling and registration
H.245 Negotiates the usage of the media channels
SIP IETF standard for providing voice over IP
Voice Over IP : Protocols and Standards
http://www.cis.ohio-state.edu/~jain/cis788-99/voip_protocols/index.html...
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Tài liệu Understanding Voice over IP Signaling Protocols in Cisco Telephony Implementations ppt
Ngày tải lên :
10/12/2013, 14:15
... manually configured for voice mail and IVR sessions.
QoS and Bandwidth Issues of VoIP signaling
In terms of the impact of bandwidth on an existing IP network, human audio voice contains the vast ... efficiency, and sharpen your competitive edge.
Check out the following Global Knowledge courses:
CVOICE (Cisco Voice over IP)
QOS (Implementing Cisco Quality of Service)
CIPT part 1 and 2 (Cisco IP Telephony)
Unity ... intelligent IP telephony design and implementation has a critical reliance on VoIP
signaling protocols
.
Chris Olsen, Global Knowledge Instructor, CCSI, CCNA, CCNP, CCVP
Understanding Voice over IP Signaling...
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Tài liệu Voice over IP Open-Source Platforms and the Session Initiation Protocol doc
Ngày tải lên :
21/12/2013, 04:18
... courses and enhanced, hands-on labs and exercises offer practical skills and tips that you can immediately
put to use. Our expert instructors draw upon their experiences to help you understand key ... nodes
VoIP (Voice over Internet Protocol): routing of voice conversations over the Internet or through any
other IP- based network; also called telephone, broadband phone
Volatile memory: chips that lose ... collection of IP networks under the control of a single entity
B (bearer) channel: carries voice, video, image, or data traffic, depending upon the equipment and applica-
tions available
Bandwidth:...
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Tài liệu CISCO VOICE OVER IP (CVOICE) pptx
Ngày tải lên :
17/01/2014, 06:20
... different IP telephony environments.
VoIP Fundamentals
Voice over IP is also known as VoIP. You might also hear VoIP referred to as IP
Telephony. Both terms refer to sending voice across an IP network. ... Packet,
Source Description RTCP Packet, Goodbye RTCP Packet, and application-specific RTCP
packets.
Chapter 1: Introducing Voice over IP Networks 17
Voice over Internet Protocol (VoIP) allows a voice- enabled ... Authorized Self-Study Guide: Cisco Voice over IP (CVOICE)
The following is a description of these basic components:
■ IP Phones: Cisco IP Phones provide IP endpoints for voice communication.
■ Gatekeeper:...
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Thoại trên mạng VOI IP (voice over IP - VOIP)
Ngày tải lên :
31/08/2012, 10:00
... đó cho phép thoại và fax đợc truyền qua các mạng IP. Thực tế, các ứng
dụng qua mạng IP nh video và multimedia cũng không còn xa nữa.
cho VoIP, các lợi ích trong thời gian dài hơn đợc mong đợi ... trên cơ sở SNMP có thể
đợc cung cấp cho cả dịch vụ thoại và dữ liệu sử dơng VoIP. ViƯc sư
dơng thèng nhÊt giao thøc IP cho tất cả các ứng dụng hứa hẹn giảm
bớt phức tạp và tăng cờng tính mềm ... luận
Mạng Internet cùng giao thức TCP /IP đà trở thành một động lực tốt thúc đẩy
các công nghệ mới, và khả năng truyền thoại thời gian thực qua các mạng IP
chỉ là một trong những ứng dụng mới...
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Cisco Press 2000 - Voice over IP Fundamentals
Ngày tải lên :
14/09/2012, 11:42
... understand how all the various VoIP components set up calls, tear down calls, and offer services.
Chapter 14, " ;Voice over IP Configuration Issues,"
and Chapter 15, " ;Voice over IP ...
Chapter 1, "Overview of the PSTN and Comparisons to Voice over IP, " contrasts the similarities and
differences between traditional TDM networks and networks running packetized voice.
Chapter ... the voice realm. They also act
as a good primer for those in specific voice areas that want to brush up on various other voice- networking
protocols.
Chapter 6, " ;Voice over IP Benefits and...
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