Archive for March, 2010

SIP Endpoints

SIP Endpoints

Unified
Personal Communicator

A Alexander Revzin - 88941374

Help Г

File   View
Contacts Actions



Help Topics

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On the Phone ^

So

Enable Detailed
Logging Create Problem Report.
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UC Manager Serviceability Tools

Trace Files

UC Manager
Serviceability Tools

Unified Com mum
cations Manager Real Tine Won itoring Tool (Currently Logged to:
10.87.99.51)

System Monitor Search Edit Device
Performance Tools Window  Application Help



Real Time
Monitoring Tool

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Unified Communications Video Troubleshooting

Unified Communications Video
Troubleshooting

BRKVVT-3302

Cisco we!

witanoiNetworkers



Why Video



Подпись:

A Picture Is a
Thousand Words, Video Says It All

In-Person Experience

64% of Communication
is Non-Verbal1

One Third of the Human Cortex Is Dedicated to Vision2

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IOS Device Management Best Practices

Management

IOS Device
Management Best Practices



Telnet/SSH
to a Remote Device

Local Echo settings (IOS/Desktop)

Screencast of the differences



Changing IOS
Configuration

Don't copy/paste
large configuration changes into a terminal window

Read more on IOS Device Management Best Practices...

Centralized Call Processing

Centralized Call Processing

Controlling Bandwidth Utilization



SCCP vs. SIP
Endpoint Signaling Bandwidth Requirements

70

10   20   30   40   50   60   70   80   90  100 110
120

Number of Devices
at Remote Site

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SIP Early Offer to SIP Delayed Offer Call



SCCP devices have a two RTT minimum cut-thru delay



SIP Early Offer to SIP Delayed Offer Call



Подпись:
Подпись:

RTT Called

RTT Calling





Invite w/o SDP

Invite w/SDP



Trying



Ringing

Ringing





1.5)

200 OK w/ SDP (offer)

Read more on SIP Early Offer to SIP Delayed Offer Call...

Distributed Call Processing



Distributed Call
Processing



Distributed Call
Processing



Most optimum
design because it ensures that only traffic that must traverse the high latency
link does...

Provides the best users experience

This reduces
bandwidth across the wan

Read more on Distributed Call Processing...