Avaya IP Telephony Konfigurationsanleitung

Part No. P0993474 03Business Communications Manager 3.0IP Telephony Configuration Guide

10 FiguresP0993474 03 Figure 41 Connecting to IP telephones . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 120Figure 42

100 Chapter 5 Configuring VoIP trunksP0993474 03 Quality of Service MonitorThe Quality of Service Monitor is an application that monitors the qu

Chapter 5 Configuring VoIP trunks 101IP Telephony Configuration Guide Viewing QoS monitoring loggingQoS monitor can be configured to log data. T

102 Chapter 5 Configuring VoIP trunksP0993474 03 Follow these steps to modify these settings:1 In Unified Manager, open Services, IP Telephony,

Chapter 5 Configuring VoIP trunks 103IP Telephony Configuration Guide 4 Change the port settings.5 Click the Save button.Port settings for legac

104 Chapter 5 Configuring VoIP trunksP0993474 03 • bandwidth control• zone managementA single Gatekeeper manages a set of H.323 endpoints. This

Chapter 5 Configuring VoIP trunks 105IP Telephony Configuration Guide Figure 35 Local gateway IP interface2 Use the information in the table b

106 Chapter 5 Configuring VoIP trunksP0993474 03 *Call Signaling DirectGateKeeperRoutedGateKeeperResolvedCallSignaling• Direct: call signaling i

Chapter 5 Configuring VoIP trunks 107IP Telephony Configuration Guide Notes about NPI-TON aliasesNPI-TON aliases store dialed number prefixes as

108 Chapter 5 Configuring VoIP trunksP0993474 03 Using Radvision ECS 2.1.0.1 as the gatekeeperWhen you use Radvision ECS 2.1.0.1 as the gatekeep

Chapter 5 Configuring VoIP trunks 109IP Telephony Configuration Guide Gatekeeper support for interoperability6 Create a service configuration fo

11IP Telephony Configuration GuideTablesTable 1 Network diagram prerequisites . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

110 Chapter 5 Configuring VoIP trunksP0993474 03 Business Communications Manager requirementsSet the Business Communications Manager Local Gatew

Chapter 5 Configuring VoIP trunks 111IP Telephony Configuration Guide 6 Ensure that the following fields are set:7 Click Create.Committing Gatek

112 Chapter 5 Configuring VoIP trunksP0993474 03 Setting Codecs on the CSE 1000Use the Element Manager tool to set the codec information for the

Chapter 5 Configuring VoIP trunks 113IP Telephony Configuration Guide Gatekeeper call scenariosThis section explains what must be set up, and ho

114 Chapter 5 Configuring VoIP trunksP0993474 03

115IP Telephony Configuration Guide Chapter 6Typical network applications using MCDNThis section explains several common installation scenarios and pr

116 Chapter 6 Typical network applications using MCDNP0993474 03 Figure 37 M1 to Business Communications Manager network diagramTo set up this

Chapter 6 Typical network applications using MCDN 117IP Telephony Configuration Guide For a detailed description of setting up fallback, refer t

118 Chapter 6 Typical network applications using MCDNP0993474 03 • Set telephones to receive incoming calls through target lines. • Configure th

Chapter 6 Typical network applications using MCDN 119IP Telephony Configuration Guide Multi-location chain with call centerIn the installation s

12 TablesP0993474 03

120 Chapter 6 Typical network applications using MCDNP0993474 03 4 Reboot each system.5 Set up a Call Center on the central Business Communicati

121IP Telephony Configuration Guide Appendix AEfficient NetworkingThis section provides information about making your network run more efficiently. •

122 Efficient NetworkingP0993474 03 organizations the thresholds can be lower than those used in this example. In the event of link failures, s

Efficient Networking 123IP Telephony Configuration Guide The peak bandwidth and average bandwidth requirements for a normal two-way call must t

124 Efficient NetworkingP0993474 03 Bandwidth requirements on half duplex linksThe following table provides bandwidth requirements for normal t

Efficient Networking 125IP Telephony Configuration Guide Bandwidth requirements on full duplex linksThe following table provides bandwidth requ

126 Efficient NetworkingP0993474 03 LAN engineering examplesExample 1: LAN engineering - voice callsConsider a site with four Business Communic

Efficient Networking 127IP Telephony Configuration Guide The average bandwidth for each call is 12.4 kbit/sec per channel or 49.4 kbit/s for al

128 Efficient NetworkingP0993474 03 Setting Non-linear processingNon-linear processing should normally be enabled. To set non-linear processing

Efficient Networking 129IP Telephony Configuration Guide Each site supports four VoIP ports. Assume the codex is G.729 Annex B, 20 ms payload.

13IP Telephony Configuration Guide PrefaceThis guide describes IP Telephony functionality for the Business Communications Manager 3.0 system. This inc

130 Efficient NetworkingP0993474 03 Enough link capacityThe following table sorts the computations so that for each link, the available link ca

Efficient Networking 131IP Telephony Configuration Guide Other intranet resource considerationsBottlenecks caused by non-WAN resources do not o

132 Efficient NetworkingP0993474 03 • Queuing delay: The queuing delay is the time it takes for a packet to wait in the transmission queue of t

Efficient Networking 133IP Telephony Configuration Guide Adjust the jitter buffer sizeThe parameters for the voice jitter buffer directly affec

134 Efficient NetworkingP0993474 03 Routing issuesRouting problems cause unnecessary delay. Some routes are better than other routes. The Trace

135IP Telephony Configuration Guide Appendix BSilence compressionThis section describes using silence compression on half duplex and full duplex links

136 Silence compressionP0993474 03 Silence Compression on Half Duplex LinksThe following figure shows the bandwidth requirement for one call on

Silence compression 137IP Telephony Configuration Guide The effect of silence compression on half-duplex links is, therefore, to reduce the pea

138 Silence compressionP0993474 03 Silence compression on Full Duplex LinksOn full duplex links, the transmit path and the receive path are sep

Silence compression 139IP Telephony Configuration Guide When silence compression is enabled, voice packets are only sent when a speaker is talk

14 PrefaceP0993474 03 Text conventionsThis guide uses these following text conventions:AcronymsThis guide uses the following acronyms:Note: Note/Ti

140 Silence compressionP0993474 03 When several calls are made over a full duplex link, all calls share the same transmit path and they share t

141IP Telephony Configuration Guide Appendix CNetwork performance utilitiesThere are two common network utilities, Ping and Traceroute. These utilitie

142 Network performance utilitiesP0993474 03 SnifferSniffer is not provided with the Business Communications Manager, but it is a useful tool f

143IP Telephony Configuration Guide Appendix DInteroperabilityThis section discusses interoperability between the Business Communications Manager and

144 InteroperabilityP0993474 03 Speech path setup methodsBusiness Communications Manager 3.0 currently initiates calls using H.323 fastStart me

Interoperability 145IP Telephony Configuration Guide • If interworking with a Meridian 1-ITG, the profile on the Internet Telephony Gateway (IT

146 InteroperabilityP0993474 03 No feedback busy stationThe Business Communications Manager VoIP gateway provides call progress tones in-band t

Interoperability 147IP Telephony Configuration Guide 12 Type a minimum and maximum value to specify the range, and then click the OK button.The

148 InteroperabilityP0993474 03 Using VLAN on the networkA virtual LAN (VLAN) is a logical grouping of ports, controlled by a switch, and end-s

Interoperability 149IP Telephony Configuration Guide Assigning VLANs becomes important if you have multiple devices connected to the same switc

Preface 15IP Telephony Configuration Guide DSL Digital Subscriber LineICMP Internet Control Message ProtocolIEEE802 ESS Institute of Electrical and

150 InteroperabilityP0993474 03 Symbol NetVision telephonesIn order to make calls between Symbol telephones and Business Communications Manager

Interoperability 151IP Telephony Configuration Guide 2.5 FP12.5 FP1 MR1.13.0If an IP Telephony Remote Gateway IP address is pointed at a Wan Li

152 InteroperabilityP0993474 03 The following table shows which networking applications are supported for each Business Communications Manager

153IP Telephony Configuration Guide Appendix EQuality of ServiceThe users of corporate voice and data services expect these services to meet a level o

154 Quality of ServiceP0993474 03 Figure 52 Relationship between users and servicesThe IP gateway can monitor the QoS of the Intranet. In thi

Quality of Service 155IP Telephony Configuration Guide When the QoS level of any remote gateway is below the fallback threshold, all new calls

156 Quality of ServiceP0993474 03 Delay characteristics vary depending on the site pair and the time of day. The evaluation of the intranet inc

Quality of Service 157IP Telephony Configuration Guide Adjusting Ping measurementsThe Ping statistics are based on round-trip measurements. Whi

158 Quality of ServiceP0993474 03 Measurement procedureThe following procedure is an example of how to get delay and error statistics for a spe

Quality of Service 159IP Telephony Configuration Guide Decision: does the intranet meet IP telephony QoS needs?The end of the measurement and a

16 PrefaceP0993474 03 Related publicationsDocuments referenced in the Business Communications Manager 3.0 IP Telephony Configuration Guide, include

160 Quality of ServiceP0993474 03 Traffic mixThis section describes QoS works with the IP telephony, and what new intranet-wide results can occ

Quality of Service 161IP Telephony Configuration Guide Business Communications Manager router QoS supportWith a Business Communications Manager

162 Quality of ServiceP0993474 03 Network monitoringThe VoIP Gateway network monitoring function measures the quality of service between the lo

Quality of Service 163IP Telephony Configuration Guide Delay variation (jitter)The amount of variation in packet delay is otherwise known as de

164 Quality of ServiceP0993474 03

165IP Telephony Configuration Guide Glossaryaccess point (802.11b)This is a piece of hardware using either IEEE 802.11 (1 or 2 M-bits/sec, Frequency H

166 GlossaryP0993474 03 enblocAll dialed digits sent in a single expression. The system waits for all digits to be dialed before processing the cal

Glossary 167IP Telephony Configuration Guide G.723.1A codec that provides the greatest compression, 5.3 kbit/s or 6.3 kbit/s. Normally used for mul

168 GlossaryP0993474 03 IP serverOn the Business Communications Manager, this is the server that registers IP telephones.IP telephoneIn this book,

Glossary 169IP Telephony Configuration Guide network diagramThis is a physical drawing/description of how the local network works to which your Bus

Preface 17IP Telephony Configuration Guide APAC (Asia Pacific)Technical Support - CTASTelephone:+61 388664627Fax:+61 388664644email:asia_support@no

170 GlossaryP0993474 03 silence compression/silence suppressionThis is the utility that omits the data packets that occur when no one is talking du

IP Telephony Configuration Guide171IndexSymbols<&nopage>Voice Activity Detection, see VAD 135Numbers3-port switchIP telephones 43reloca

172 IndexP0993474 03defined 26first preferred codec 144for IP telephones 42handling on network 122types, bandwidth 122Unified Manager set

Index 173 IP Telephony Configuration GuideEE.164 106echo cancellation 143echo reply 141efficient networking 121Enable TTL 108end to end d

174 IndexP0993474 03HH.323gateway specifications 143non-linear processing 127Trunks recordjitter buffers 76H.323 devicesNetMeeting 143NetVi

Index 175 IP Telephony Configuration Guideviewing 48contrast level 49defined 20deleting handset record 72deregister 62deregisteringonline

176 IndexP0993474 03lines, VoIP trunks, default 76linkcapacity insufficient 130capacity, system engineering 130delay 132full duplex bandwid

Index 177 IP Telephony Configuration Guideloading 128locations, prerequisites 29monitoring 162planning modules 130port settings 103post-i

178 IndexP0993474 03link, bandwidth requirements 124, 125remote gateway 78PSTN fallback 76, 80activating VoIP schedule 87configuring 80de

Index 179 IP Telephony Configuration Guidedelay issues 134instability 134network example 93PSTN fallback 82VoIP trunks 82SS1 Action 46S

18 PrefaceP0993474 03

180 IndexP0993474 03UUDPport 141port ranges 103private access code 86private network, MCDN 116Unified Managerdeleting handset record 72de

19IP Telephony Configuration Guide Chapter 1IntroductionIP Telephony provides the flexibility, affordability, and expandability of the Internet to the

2 P0993474 03 Copyright © 2002 Nortel NetworksAll rights reserved. The information in this document is subject to change without notice. The st

20 Chapter 1 IntroductionP0993474 03 • Increased customer satisfaction. Breakthrough e-business applications help deliver the top-flight custome

Chapter 1 Introduction 21IP Telephony Configuration Guide Creating the IP telephony networkThis section explains the components of the Business

22 Chapter 1 IntroductionP0993474 03 Figure 1 Network diagramBusiness Communications Manager 3.0The Business Communications Manager 3.0 is a k

Chapter 1 Introduction 23IP Telephony Configuration Guide In the figure above, note that Business Communications Manager A is connected to a LAN

24 Chapter 1 IntroductionP0993474 03 VoIP trunks and IP telephonesThe IP telephones connect to the Business Communications Manager across an IP

Chapter 1 Introduction 25IP Telephony Configuration Guide The Business Communications Manager 3.0 Programming Operations Guide has a data sectio

26 Chapter 1 IntroductionP0993474 03 CodecsThe algorithm used to compress and decompress voice is embedded in a software entity called a codec (

Chapter 1 Introduction 27IP Telephony Configuration Guide This delaying of packets can provide somewhat of a communications challenge, as speech

28 Chapter 1 IntroductionP0993474 03

29IP Telephony Configuration Guide Chapter 2Prerequisites checklistBefore you set up VoIP trunks or IP telephones on a Business Communications Manager

3IP Telephony Configuration GuideTable of ContentsPreface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

30 Chapter 2 Prerequisites checklistP0993474 03 Network devicesThe following table contains questions about devices on the network such as firew

Chapter 2 Prerequisites checklist 31IP Telephony Configuration Guide Resource assessmentAnswer the questions in the following table to determine

32 Chapter 2 Prerequisites checklistP0993474 03 Configuring media gateway parameters for IP serviceTo set up the media gateway resources that yo

Chapter 2 Prerequisites checklist 33IP Telephony Configuration Guide KeycodesAll elements of VoIP trunks and IP telephony are locked by the Busi

34 Chapter 2 Prerequisites checklistP0993474 03 Business Communications Manager system configurationSeveral sections of the Business Communicati

Chapter 2 Prerequisites checklist 35IP Telephony Configuration Guide Defining published IP addressThe published IP address is the IP address use

36 Chapter 2 Prerequisites checklistP0993474 03 Determining the published IP addressUse the flowchart in the following figure to determine which

Chapter 2 Prerequisites checklist 37IP Telephony Configuration Guide IP telephonesComplete this section if you are installing IP telephones. Tab

38 Chapter 2 Prerequisites checklistP0993474 03

39IP Telephony Configuration Guide Chapter 3Installing IP telephonesAn IP telephone converts the voice signal into data packets and sends these packet

4 Table of ContentsP0993474 03 Keycodes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

40 Chapter 3 Installing IP telephonesP0993474 03 About Nortel Networks IP telephonesThe i2002 and i2004 telephones are hardwired to an internet

Chapter 3 Installing IP telephones 41IP Telephony Configuration Guide 1 In Unified Manager, open Services, IP Telephony, and Nortel IP Terminals

42 Chapter 3 Installing IP telephonesP0993474 03 4 Go to “Installing i-series telephones” on page 43.Choosing a codecThe default codec is used w

Chapter 3 Installing IP telephones 43IP Telephony Configuration Guide Choosing a Jitter BufferA jitter buffer is used to prevent the jitter asso

44 Chapter 3 Installing IP telephonesP0993474 03 Connecting the i2002 or i2004 telephoneFollow these steps to connect an i2002 or i2004 telephon

Chapter 3 Installing IP telephones 45IP Telephony Configuration Guide Registering the telephone to the systemWhen you first connect the telephon

46 Chapter 3 Installing IP telephonesP0993474 03 Use the * key to enter the period in the IP addresses.Press OK to move forward.The following ta

Chapter 3 Installing IP telephones 47IP Telephony Configuration Guide When you have entered all the configuration information, the telephone att

48 Chapter 3 Installing IP telephonesP0993474 03 Troubleshooting an IP telephoneIf the system is not properly configured, several messages can a

Chapter 3 Installing IP telephones 49IP Telephony Configuration Guide Configuring DHCPYou can use DHCP to automatically assign IP addresses to t

Table of Contents 5IP Telephony Configuration Guide Chapter 4Installing NetVision telephones . . . . . . . . . . . . . . . . . . . . . . . . . . .

50 Chapter 3 Installing IP telephonesP0993474 03 Nortel IP Terminal VLAN ID contains an identification if the system is using the VLAN option. I

Chapter 3 Installing IP telephones 51IP Telephony Configuration Guide returned in this option to configure itself for proper operation. This inc

52 Chapter 3 Installing IP telephonesP0993474 03 • Action code values:0 - reserved1 - UNIStim Hello (currently only this type is a valid choice)

Chapter 3 Installing IP telephones 53IP Telephony Configuration Guide The following fields provide information about the IP server.Modifying IP

54 Chapter 3 Installing IP telephonesP0993474 03 Figure 8 IP Terminal status dialog6 You can change the Codec or JitterBuffer settings for the

Chapter 3 Installing IP telephones 55IP Telephony Configuration Guide 7 Click Save.Working with the features listYou can add and modify the feat

56 Chapter 3 Installing IP telephonesP0993474 03 3 Select the feature you want to modify and right click, or click on the Configuration menu ite

Chapter 3 Installing IP telephones 57IP Telephony Configuration Guide • Press the Select display key to activate the feature, then use the featu

58 Chapter 3 Installing IP telephonesP0993474 03 4 Select the IP telephone record you want to reset.5 On the top menu, click Configuration, then

Chapter 3 Installing IP telephones 59IP Telephony Configuration Guide Refer to the Telephony Feature Handbook for details about using this featu

6 Table of ContentsP0993474 03 Connecting an i200X telephone on the LAN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 96Example

60 Chapter 3 Installing IP telephonesP0993474 03 3 If you have an existing list, or you do not want to change any defaults, go to the first free

Chapter 3 Installing IP telephones 61IP Telephony Configuration Guide Follow these steps to force a firmware download to a telephone:1 In the Un

62 Chapter 3 Installing IP telephonesP0993474 03 Deregistering DNs for IP telephonesYou can deregister selected telephones from the Business Com

Chapter 3 Installing IP telephones 63IP Telephony Configuration Guide Moving IP telephonesIP telephones retain their DN when they are moved to a

64 Chapter 3 Installing IP telephonesP0993474 03 Configuring the Nortel Networks i2050 Software PhoneThe Nortel Networks i2050 Software Phone al

Chapter 3 Installing IP telephones 65IP Telephony Configuration Guide 4 Enter the Published IP address of the Business Communications Manager in

66 Chapter 3 Installing IP telephonesP0993474 03

67IP Telephony Configuration Guide Chapter 4Installing NetVision telephonesThis section describes how to configure the Symbol NetVision handsets to th

68 Chapter 4 Installing NetVision telephonesP0993474 03 Access pointsInstructions about installing an 802.11b access point are provided with the

Chapter 4 Installing NetVision telephones 69IP Telephony Configuration Guide Gathering system information before you startEnsure the following i

Table of Contents 7IP Telephony Configuration Guide WAN engineering . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

70 Chapter 4 Installing NetVision telephonesP0993474 03 • You need to set up the DN record to determine what lines the handset can access and ho

Chapter 4 Installing NetVision telephones 71IP Telephony Configuration Guide 4 Click Save.Testing the handset functionsWhen the handset is regis

72 Chapter 4 Installing NetVision telephonesP0993474 03 Changing a handset NameThe Name is the primary point of recognition for the Business Com

73IP Telephony Configuration Guide Chapter 5Configuring VoIP trunksThis section explains how to configure voice over IP (VoIP) trunks on a Business Co

74 Chapter 5 Configuring VoIP trunksP0993474 03 Pre-installation system requirementsEnsure that you have obtained the following before continuin

Chapter 5 Configuring VoIP trunks 75IP Telephony Configuration Guide 4 Use the information in the table below to set up the media parameters for

76 Chapter 5 Configuring VoIP trunksP0993474 03 Outgoing call configurationThis section explains how to set up your system to place calls throug

Chapter 5 Configuring VoIP trunks 77IP Telephony Configuration Guide To put your lines into a line pool:1 In Unified Manager, click on the keys

78 Chapter 5 Configuring VoIP trunksP0993474 03 Ensure that no other line pools use this access code. Also ensure that this access code is not u

Chapter 5 Configuring VoIP trunks 79IP Telephony Configuration Guide Figure 20 Remote gateway dialog3 Use the information in the table below t

8 Table of ContentsP0993474 03 Symbol NetVision telephones . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

80 Chapter 5 Configuring VoIP trunksP0993474 03 4 Click Save.Configuring PSTN fallbackBy enabling PSTN fallback, you allow the system to check t

Chapter 5 Configuring VoIP trunks 81IP Telephony Configuration Guide In a network configured for PSTN fallback, there are two connections betwee

82 Chapter 5 Configuring VoIP trunksP0993474 03 Setting up the VoIP schedule You can determine which telephones/lines will choose the VoIP route

Chapter 5 Configuring VoIP trunks 83IP Telephony Configuration Guide Follow these steps to configure the PSTN and VoIP routes:1 Open Services, T

84 Chapter 5 Configuring VoIP trunksP0993474 03 PSTN line pool: (to local PSTN lines)a On the navigation tree, click the route you created for t

Chapter 5 Configuring VoIP trunks 85IP Telephony Configuration Guide 3 Type a one or more digits for this destination code. 4 Click Save to clos

86 Chapter 5 Configuring VoIP trunksP0993474 03 7 On the navigation tree, under the destination code schedule, click Normal.The Normal schedule

Chapter 5 Configuring VoIP trunks 87IP Telephony Configuration Guide Activating the VoIP scheduleBefore activating the VoIP schedule, calls usin

88 Chapter 5 Configuring VoIP trunksP0993474 03 Figure 26 QoS Monitor field on the Remote Gateway screen5 Set the Transmit Threshold and Recei

Chapter 5 Configuring VoIP trunks 89IP Telephony Configuration Guide Incoming call configurationTo receive an incoming call directly to the tele

9IP Telephony Configuration GuideFiguresFigure 1 Network diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

90 Chapter 5 Configuring VoIP trunksP0993474 03 4 Enter the number of an available target line (241-492). 5 Click the Save button.6 Click on the

Chapter 5 Configuring VoIP trunks 91IP Telephony Configuration Guide For a detailed explanation about target lines, see the Business Communicati

92 Chapter 5 Configuring VoIP trunksP0993474 03 Each Business Communications Manager has 10 telephones that will be using VoIP lines. In this se

Chapter 5 Configuring VoIP trunks 93IP Telephony Configuration Guide • Transmit Threshold: 3.0 This is a Mean Opinion Score (MOS) value that ens

94 Chapter 5 Configuring VoIP trunksP0993474 03 On Business Communications Manager Santa ClaraThis procedure details actions that the installer

Chapter 5 Configuring VoIP trunks 95IP Telephony Configuration Guide 8 The installer sets up the routes, if they do not already exist.• The inst

96 Chapter 5 Configuring VoIP trunksP0993474 03 Connecting an i200X telephoneThis section takes the example above and uses it to demonstrate how

Chapter 5 Configuring VoIP trunks 97IP Telephony Configuration Guide Example, PSTN call to remote nodeProgramming for tandeming Business Communi

98 Chapter 5 Configuring VoIP trunksP0993474 03 Configuring Net Meeting clientsNet Meeting is an application available from Microsoft which uses

Chapter 5 Configuring VoIP trunks 99IP Telephony Configuration Guide 3 Click Advanced Calling.The advanced Calling Options dialog appears.Figure