Avaya IP Telephony Konfigurationsanleitung Seite 53
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Chapter 4 Installing NetVision telephones 53
IP Telephony Configuration Guide
Gathering system information before you start
Ensure the following is complete, or the information is on hand before you start configuring your
NetVision telephones:
Assigning H.323 Terminals records
The H.323 Terminals record (Services, Telephony Services, IP Telephony) identifies the
NetVision handsets within the Business Communications Manager. The Business
Communications Manager uses the information from this file to determine if the handset will be
allowed to connect to the system. When you configure the handset with the NVPA file, the Name
and PIN that you use, must match what is in the H.323 Terminals record.
Notes
The following are some notes about the process of configuring handsets to the Business
Communications Manager.
• You must have an H.323 record configured before you configure the handsets with the Nortel
NVPA.
• If you do not specify a DN in the H.323 record, one will automatically be assigned to the
handset. If you specified a DN record, it will appear under the Active DNs heading once the
handset connects to the system. If you want to specify a range of DNs, you can use the Add
1. The Business Communications Manager has been set up to allow
IP telephones.
Refer to Chapter 2,
“Prerequisites checklist,” on
page 25.
2. If you are configuring the Business Communications Manager
records before you configure the handset: You know which DNs
you want to assign to the handsets and you have all the line,
restrictions, and telephony information you require to create or
update a DN record for each telephone.
DN records
3. You have downloaded the NVPA application and NetVision Phone
Administrator Guide, which provides a list of the information you
require to fill out that tool for each handset.
http://www.symbol.com/services/downloads/nvfirmware2.html
Download the latest version of
the NetVision Phone
Administrator
4. You have obtained the Symbol NetVision serial cable, which is used to
transfer configuration information between the computer where the tool is
installed and the handset.
Purchased from Symbol
at
<http:/
/symbol.com>
(part number: 25-20528-01)
5. You have a list of names that you will use for the handsets. Each name
must be unique to a handset. Both the H.323 Terminals record and the
NVPA record must have exactly the same name.
Name field
6. You have identified a PIN for each handset.
Password field
- Business Communications 1
- Manager 2.5 1
- IP Telephony Configuration 1
- Trademarks 2
- Contents 3
- Chapter 4 4
- Chapter 5 5
- Chapter 6 6
- Appendix A 6
- 12 Tables 12
- Before you begin 13
- Symbols used in this guide 13
- Text conventions 14
- Acronyms 14
- Related publications 15
- How to get help 16
- Chapter 1 17
- Introduction 17
- IP telephones and VoIP trunks 18
- Figure 1 Network diagram 19
- Telephones 20
- IP network 21
- Key IP telephony concepts 22
- Jitter Buffer 23
- QoS routing 23
- Chapter 2 25
- Prerequisites checklist 25
- Network assessment 26
- Resource assessment 27
- Keycodes 27
- Defining published IP address 28
- IP telephones 30
- NetVision wireless telephones 30
- Chapter 3 31
- Installing IP telephones 31
- Choosing a codec 33
- Choosing a Jitter Buffer 34
- Before installing 34
- Using a 3-port switch 35
- NORTEL NETWORKS 36
- Manual Cfg DHCP(0 no, 1 yes) 36
- Field Value Description 37
- Slow connection 40
- One-way or no speech paths 40
- Dropped voice packets 40
- Changing the contrast level 40
- Configuring DHCP 41
- Figure 5 IP Terminal status 42
- Figure 6 Configuration menu 42
- Figure 8 Configuration menu 44
- Download Pending 44
- Customizing feature labels 46
- Moving IP telephones 47
- Keep DN alive 48
- Figure 12 i2050 Switch type 49
- 7 Click on the BCM option 50
- Configuring NetVision records 52
- /symbol.com> 53
- <http:/ 53
- Testing the handset functions 55
- Changing a handset Name 57
- Configuring VoIP trunks 59
- Configuring media parameters 60
- Setting silence compression 61
- Setting jitter buffers 62
- Outgoing call configuration 63
- Figure 18 Trunk/Line data 64
- Configuring a remote gateway 66
- Configuring PSTN fallback 68
- Enabling PSTN fallback 69
- Setting up the VoIP schedule 69
- Configuring routes 70
- Figure 26 VoIP schedule 73
- Activating the VoIP schedule 74
- Turning on QoS monitor 75
- Incoming call configuration 76
- Example configuration 78
- Making calls 82
- Connecting an i200X telephone 83
- Quality of Service Monitor 86
- Port settings 86
- Using firewalls 87
- Using a gatekeeper 88
- The call signaling method 89
- Gatekeeper call scenarios 91
- Typical applications 93
- Setting up the system 95
- Efficient Networking 99
- Network engineering 100
- LAN engineering examples 103
- WAN engineering 104
- Setting Non-linear processing 105
- (8 kb/s) 106
- P0937663 03.1 106
- Traceroute 106
- Enough link capacity 107
- Not enough link capacity 107
- Further network analysis 108
- Reduce link delay 109
- Reducing hop count 109
- Adjust the jitter buffer size 110
- Reduce packet errors 110
- Routing issues 111
- Appendix B 113
- Silence compression 113
- Comfort noise 116
- Appendix C 117
- Network performance utilities 117
- Appendix D 119
- Interoperability 119
- Speech path setup methods 120
- Media path redirection 120
- Gatekeeper 120
- Symbol NetVision telephones 121
- 122 Interoperability 122
- Appendix E 123
- Quality of Service 123
- Measuring Intranet QoS 124
- Recording routes 125
- Adjusting Ping measurements 126
- Measurement procedure 127
- 128 Quality of Service 128
- Traffic mix 129
- TCP traffic behavior 129
- Network Quality of Service 130
- Quality of Service parameters 131
- Fallback to PSTN 132
- Glossary 133
- 134 Glossary 134
- Glossary 135 135
- 136 Glossary 136
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