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Gateway and Trunk Concepts Chapter 07
The Process of Converting Voice to Packet 0
Encoding Voice into Binary mu-law is a positive value is a negative value
Choosing a Voice Codec
RTP and RTCP – Real-time Transport Protocol Sequence numbers Time stamps Real-time Transport Control Protocol – Packet count – Packet delay – Packet loss – Jitter (delay variations)
Trunking CME to the PSTN
Trunking CME to Other VoIP Systems
H.323 The first VoIP
SIP Session Initation Protocol – NEXT Generation of H.323
MGCP Media Gateway Control Protocol – First true client/server VoIP signaling protocol “Call agent” – Not as widely supported as H.323 or SIP
SCCP Skinny Client Control Protocol – Only Cisco proprietary protocol in use today – Its function is to provide signaling between the Cisco Unified Communication Manager and the Cisco IP phones
ITSP (Internet Telephony Service Providers) Vonage Verizon at&t Ooma
VoIP ISP in USA (sample list) Best X-Voice Magic Jack Nextiva Avaya Lingo Zimbio NEC Ooma 8x8 Talk Switch Cisco ShoreTel Intalk Viatalk VoIP.com ITP Vonage
Configuring and Verifying Gateway and Trunk Chapter 08
Configuring Analog Ports FXS FXO
FXS Foreign Exchange Station Ports Signaling types – Ground start – Loop start
FXO Foreign Exchange Office
Configuring Digital Voice Ports T1 CAS PSTN interfaces T1 CCS PSTN interfaces PBXs use E&M CAS typically uses loop start
Configuring a T1 CAS PSTN Interface Turn to page 253
Configuring a T1 CCS PSTN Interface Turn to page 257
Dial Peers (POTS & VoIP Dial Peers)
Voice Call Legs
Configuring POTS Dial Peers
Dial Peer Wildcards
Private Line Automatic Ringdown PLAR FXS PLAR FXO PLAR
Router Call Processing & Digit Manipulation
Inbound and Outbound Dial Peers
Matching Inbound and Outbound Dial Peers
Failovers & Multiple Voice Paths
Redirecting Operator Calls
Centralizing PSTN Access
Using Translation Profiles
QoS (Quality of Service) Bandwidth Delay – Fixed delay – Variable delay – Jitter (delay variations) – Packet loss End-to-end delay budget: <150 ms Jitter: 30 <30 ms Packet loss: <1%
Cisco AutoQoS Advantages over manual QoS configuration Reduces time of deployment Provides configuration consistency Reduces deployment cost Still allows for manual tuning
CHAPTER H.323 SIP. Trunking Connections Between Systems: Common language must be used or conversion between languages Available languages are.
1 © 2005 Cisco Systems, Inc. All rights reserved. Cisco Public IP Telephony Introduction to VoIP Cisco Networking Academy Program.
CHAPTER 7 Gateway and Trunk Concepts. Converting Analog Voice to Digital: The average human can hear frequencies of 20-20,000 Hz Human speech uses frequencies.
CHAPTER 6 Understanding the CME Dial-Plan. Analog Voice Port Configuration: Foreign Exchange Station Ports (FXS): Used to connect analog devices such.
Voice Over IP (VoIP): Internet Telephony. Chapter Objectives.
Dial Plans Chapter 2. Dial and Numbering Plans A numbering plan describes the endpoint addressing in a telephony network Same as IP addressing in an IP.
Unified Communications Chapter 1 - Cisco Voice Gateways.
Voice Over IP (VoIP): Internet Telephony Dr. Najla Al-nabhan 1.
DUE Voice over IP (VoIP) Linksys Ernie Friend- FSCJ.
1 © 1999, The Ohio State University 9 Dec 99 VoIP Technology Briefing Harpal Chohan Russell Morrison Enterprise Networking - The Ohio State University.
SG2001_VIP.ppt Page 1 PLANET Technology Corp. Product Guide 2001 VoIP Products Your Voice over Internet By Product Department.
© 2006 Cisco Systems, Inc. All rights reserved. Optimizing Converged Cisco Networks (ONT) Module 2: Cisco VoIP Implementations.
K. Salah 1 Chapter 28 VoIP or IP Telephony. K. Salah 2 VoIP Architecture and Protocols Uses one of the two multimedia protocols SIP (Session Initiation.
Basics of IP Telephony Sam Lutgring Director of Informational Technology Services Calhoun Intermediate School District.
October 6 University Faculty of Information Systems & Computer Science.
Voice over IP Fundamentals M. Arvai NEC Senior Technical Eng. 1.
Voice and Video over IP. Topics Use Terminology specific to converged networks Explain VoIP Explain video over IP Describe VoIP and video over IP signaling.
© 2008 Cisco Systems, Inc. All rights reserved.CIPT1 v6.0—4-1 Enabling Single-Site On-Net Calling Implementing MGCP Gateways in Cisco Unified Communications.
3/10/2016 Subject Name: Computer Networks - II Subject Code: 10CS64 Prepared By: Madhuleena Das Department: Computer Science & Engineering Date :
Voice Over IP (VoIP). Boyapati, Roopesh Understanding VoIP ConceptsComponentsFunctionalityProtocolsChallengesDemo.
1 CCM Deployment Models Wael K. Valencia Community College.
Introduction to Asterisk Mark Turner Siteseers Inc. 12 June 2004.
1 Integrating Voice with Data Over a Leased Line Quick Start Guide Wael Valencia Community College.
Voice over IP B 林與絜. Outline Introduction Some Protocols Example - Skype Conclusion.
CHAPTER 2 Understanding the Pieces of Cisco Unified Communication.
Voice over IP by Rahul varikuti course instructor: Vicky Hsu.
VoIP Study and Implementation VoIP Ecosystem and Strategy Version 1.0 – Author : Marc PYBOURDIN / Julien BERTON Last Update : 15/05/2012.
Implementing Voice Gateways Lecture 3. Voice Gateways Any device with one or more TDM PSTN interfaces on them TDM - Time Division Multiplexing (i.e. traditional.
Voice over Internet Protocol (VoIP). 1.Terms and Definitions 2.How Does it Work packet switching vs. circuit switching what is needed by user challenges.
RightFax and Cisco. 2 Cisco Unity Fax Solutions: Unity Fax Server F PSTN Remote Access E1/FXS Exchange Message Store Cisco Unity Messaging Server Cisco.
LOG Objectives Describe some of the VoIP implementation challenges such as Delay/Latency, Jitter, Echo, and Packet Loss Describe the voice encoding.
Introducing VoIP Networks Chapter 01 Components of a VoIP Network.
Voice Over Internet Protocol (VoIP) Copyright © 2006 Heathkit Company, Inc. All Rights Reserved Presentation 3 – VoIP: An Overview.
© 2006 Cisco Systems, Inc. All rights reserved. CUDN v1.1—1-1 Understanding the Role of Telephony Components in Cisco Unity Design Cisco Unity Design Process—Presales.
Agenda Evolution of Communications Digital vs VoIP How VoIP works as a transport layer What is “The Cloud”? Common Applications Advantages of VoIP Misconceptions.
DUE VoIP I Chapter 1 v3 JEOPARDY Name: student name K. Martin.
DUE Adapting Legacy Phone Systems to VoIP Vincente DIngianni Director of Professional Services Binary Systems,
VoIP Voice Transmission Over Data Network. What is VoIP? A method for Taking analog audio signals Turning audio signals into digital data Digital data.
© 2009 AudioCodes Ltd. All rights reserved. AudioCodes CPE Carrier Applications.
Introduction to SIP Based ENUM IP Telephony Infrastructure 資策會 網路及通訊實驗室 Conference over IP Team 楊政遠 博士
TCP/IP Protocol Suite 1 Chapter 25 Upon completion you will be able to: Multimedia Know the characteristics of the 3 types of services Understand the methods.
Introduction to IP Telephony Sunday A. Folayan. VoIP …. A few years ago, everyone struggled to convert data (IP) into sound, and move it over the Public.
Understanding Microsoft Response Point Concepts Telecommunications Industry Terminology & Microsoft Response Point Components Joe Schurman Founder, Executive.
MAEDS 45 th Annual Conference October , 2009.
© 2006 Cisco Systems, Inc. All rights reserved Introducing VoIP Networks.
© 2004 AudioCodes Ltd. All rights reserved. Delivery to VoIP QoS Tools.
CHAPTER 14 PSTN and VoIP Interworking. Cisco Packet Telephony: Connection Control Call Control Services.
PART 2: Product Line. Tenor Switches & Gateways Tenor AX Series Solution For Medium to Large Enterprises Available in 8, 16, 24 and 48 port Available.
CSE5803 Advanced Internet Protocols and Applications (14) Introduction Developed in recent years, for low cost phone calls (long distance in particular).
Tom Behrens Adam Muniz. Overview What is VoIP SIP Sessions H.323 Examples Problems.
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