ip readiness

7/27/2019 IP Readiness

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IP Readiness:Preparing for the Road Ahead

Presenter:Chr i st opher Doyl e

Panasonic

Pr oduct Manager , BT S


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Agenda Preparing for the road ahead!

Training

Documentation and Guides

Best Practices

Pre-Installation Analysis Understanding the Customer Network Network Assessments

Deployment

Understanding the Physical Layer IP Communication Deployment Guides

Testing


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Prepare for Battle

Knowledgeable Staff Best Practices

IP Readiness


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Training VoIP training can be found anywhere . On-line is good self-paced, can take any time. Hands-on is best! Manufacturer training is recommended.

On-line Courses should include at a minimum:

Networking 101 (Beginning level) Audio Transmission over Data Networks Bandwidth Planning for VoIP Supporting VoIP on the WAN

Advanced Networking 201 (Intermediate level) Codecs Bandwidth Calculations Physical layer

IP Readiness Training


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On-line Courses (continued) Advanced Networking 201

Edge equipment, i.e. Routers, VPN devices, etc. Analysis of IP Addressing Quality of Service

IP Readiness & VoIP Research Anatomy A look inside NATs Detecting Duplex Mismatch on Ethernet DNS Configuration for SIP

Internet QoS: A Big Picture


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A Recommended Reading List Includes the following titles and more!

Black, Uyless. Voice over IP, 2nd edi t i on ISBN 0130652040

Carden, Carlton. Under st andi ng Comput er T elephony, 2nd e d i t i o n ISBN 1578200008

Goralski, Walter J. and Kolon, Matthew C. IP T el ephony ISBN 007135221X

Grigonis, Richard. Comput er T elephony Encycl opedi a ISBN 1578200458 Hersent, Oliver, Gurle, David and Petit, Jean-Pierre. IP

T elephony: Packet -based Mul t i media Communicat i ons Sy st ems ISBN 0201619105

Hersent, Oliver, Petit, Jean-Pierre and Gurle, David. IP T elephony: Depl oyi ng Voi ce-over -IP Pr ot ocols ISBN 0470023597



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IP Readiness Documentation and Guides

Look for series of IP Readiness materials

IP Readiness Overview Guide

Deployment for IP Mobility Deployment for Mixed TDM & Sip

and Pure SIP Endpoints Deployment for IP Remote Office

Environments Deployment for Site-to-Site IP

Environments Deployment for VPN Environments


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Best Practices

The best solutions for given problems should be repeated over andover a process that called best practices.

What are Best Practices? How do they help? Where are they found?


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Pre-Installation Analysis

Understand the Network Configuration Worksheet What are the VoIP

requirements of the

customer? Perform BandwidthCalculations

Example Calculation MOS Scores what are

they and what do theymean? Network Assessments

What are they? Why are they needed? What technology does

Vertical use?


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requirements of thecustomer?

Perform BandwidthCalculations


they and what do theymean?

Network Assessments What are they? Why are they needed? What technology does

Vertical use?


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they and what do theymean?

Network Assessments What are they? Why are they needed? What technology does

Vertical use?

Remote Users? Teleworkers?

Cost savings? Are they VoIP willing?

Existing VPN or willingnessto add a VPN

Allow a Network Assessment Willingness to upgrade if

needed


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MOS Scores what arethey and what do theymean?

Codec tables Network Assessments


Vertical use?



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MOS Scores what arethey and what do theymean? Page 9.

Codec table Page 10 Network Assessments


Vertical use?



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Following Best Practices and Deployment Guides greatly decreases

testing time and problem areas. Some common Testing Scenarios Perform IP phone to Digital phone intercom calls. Perform IP phone to PSTN calls.

Perform site-to-site intercom calls. Test centralized trunks, in- and out-bound. Transfer calls across networked systems.

Testing


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Wireshark/Ethereal http://www.wireshark.org Your #1 tool for network troubleshooting

Testing


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Physical Network Layout for capture

Testing


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General Network Troubleshooting

Testing


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Seeing All VOIP Calls/Packets

Testing


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Selecting a Specific Call

Testing


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Selecting a Specific Call

Testing


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Finding the SIP INVITE

Testing


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Finding the SIP INVITE

Testing


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SIP Header Information

Testing


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Thank You!

Knowledgeable Staff

Best Practices

IP Readiness

Happy Customers!

ip readiness

Documents