Avaya IP Telephony Guía de configuración

Part No. P0604630 03September 17, 2003Business Communications Manager 3.5IP Telephony Configuration Guide

10 P0604630 03 Figure 41 Port ranges dialog box . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 124Figure 42

100 Chapter 6 Setting up VoIP trunks for outgoing callsP0604630 03 Transmit Threshold read-onlyReceive Threshold read-onlyDestination Digits &

Chapter 6 Setting up VoIP trunks for outgoing calls 101IP Telephony Configuration Guide Outgoing call configurationThis section explains how to

102 Chapter 6 Setting up VoIP trunks for outgoing callsP0604630 03 To set up the line configurations, use the line record for each enabled lin

Chapter 6 Setting up VoIP trunks for outgoing calls 103IP Telephony Configuration Guide PSTN call to remote nodeMaking a call to a remote node r

104 Chapter 6 Setting up VoIP trunks for outgoing callsP0604630 03 Call processBased on the figure shown above, this is how the call would pro

Chapter 6 Setting up VoIP trunks for outgoing calls 105IP Telephony Configuration Guide Setting up VoIP trunks for fallbackThis section includes

106 Chapter 6 Setting up VoIP trunks for outgoing callsP0604630 03 Describing a fallback networkThe following figure shows how a fallback netw

Chapter 6 Setting up VoIP trunks for outgoing calls 107IP Telephony Configuration Guide Configuring routes for fallbackConfiguring routes allows

108 Chapter 6 Setting up VoIP trunks for outgoing callsP0604630 03 b Type a number between 001 and 999. This route defines the PSTN route to t

Chapter 6 Setting up VoIP trunks for outgoing calls 109IP Telephony Configuration Guide VoIP line poola On the navigation tree, click the route

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

110 Chapter 6 Setting up VoIP trunks for outgoing callsP0604630 03 4 Click the Save button to close the dialog box.5 Click the destination cod

Chapter 6 Setting up VoIP trunks for outgoing calls 111IP Telephony Configuration Guide Note: Do not add alternative routes (second or third). S

112 Chapter 6 Setting up VoIP trunks for outgoing callsP0604630 03 How it worksCDP network: User dials 82233 (remote system DN: 2233; remote i

Chapter 6 Setting up VoIP trunks for outgoing calls 113IP Telephony Configuration Guide Figure 38 Setting up routes and fallback for remote ex

114 Chapter 6 Setting up VoIP trunks for outgoing callsP0604630 03 Setting up the VoIP schedule Once you have configured the routing and desti

Chapter 6 Setting up VoIP trunks for outgoing calls 115IP Telephony Configuration Guide Deactivating the VoIP schedule:1 Dial FEATURE #873. The

116 Chapter 6 Setting up VoIP trunks for outgoing callsP0604630 03 The systems already communicate through a PRI line, which will be configure

Chapter 6 Setting up VoIP trunks for outgoing calls 117IP Telephony Configuration Guide Put 8 VoIP lines into the same line poolPool O Services,

118 Chapter 6 Setting up VoIP trunks for outgoing callsP0604630 03 Making calls through a private VoIP network gatewayFrom a telephone on Busi

Chapter 6 Setting up VoIP trunks for outgoing calls 119IP Telephony Configuration Guide Connecting an i200X telephoneThis section takes the exam

12P0604630 03Table 41 Link capacity example . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 155Table 42 Busin

120 Chapter 6 Setting up VoIP trunks for outgoing callsP0604630 03 Quality of Service MonitorThe Quality of Service Monitor is an application

Chapter 6 Setting up VoIP trunks for outgoing calls 121IP Telephony Configuration Guide Viewing QoS monitoring loggingQoS monitor can be configu

122 Chapter 6 Setting up VoIP trunks for outgoing callsP0604630 03

123IP Telephony Configuration Guide Chapter 7Optional VoIP trunk configurationsThis section contains the procedures for configuring applications and f

124 Chapter 7 Optional VoIP trunk configurationsP0604630 03 Follow these steps to add a port range:1 In Unified Manager, open Services, IP Tel

Chapter 7 Optional VoIP trunk configurations 125IP Telephony Configuration Guide 4 Click the Save button.The listing appears on the PortRanges s

126 Chapter 7 Optional VoIP trunk configurationsP0604630 03 4 Enter the new port settings.5 Click the Save button.Port settings for legacy net

Chapter 7 Optional VoIP trunk configurations 127IP Telephony Configuration Guide Using a gatekeeperThis section describes the use of a gatekeepe

128 Chapter 7 Optional VoIP trunk configurationsP0604630 03 Using Radvision ECS 3.2 GK as the gatekeeperWhen you use Radvision ECS 3.2 GK as t

Chapter 7 Optional VoIP trunk configurations 129IP Telephony Configuration Guide Gatekeeper support for interoperability6 Create a service confi

13IP Telephony Configuration Guide PrefaceThis guide describes IP Telephony functionality for the Business Communications Manager 3.5 system. This inc

130 Chapter 7 Optional VoIP trunk configurationsP0604630 03 Using CSE 1000 as a gatekeeperBoth the Business Communications Manager and the CSE

Chapter 7 Optional VoIP trunk configurations 131IP Telephony Configuration Guide Setting the H.323 Endpoint Dialing PlanAll dialing plan informa

132 Chapter 7 Optional VoIP trunk configurationsP0604630 03 Configuring Codec CompatibilityThe default codec settings for a CSE1000 are not co

Chapter 7 Optional VoIP trunk configurations 133IP Telephony Configuration Guide 7 Ensure the following fields are set:8 Click Submit.9 Click Tr

134 Chapter 7 Optional VoIP trunk configurationsP0604630 03 This example explains how a call from DN 321 in Ottawa would be made to DN 421 in

Chapter 7 Optional VoIP trunk configurations 135IP Telephony Configuration Guide For a list of limitations and requirements for using T.38 fax,

136 Chapter 7 Optional VoIP trunk configurationsP0604630 03 Configuring NetMeeting clientsNetMeeting is an application available from Microsof

Chapter 7 Optional VoIP trunk configurations 137IP Telephony Configuration Guide Figure 48 NetMeeting Advanced Calling Options4 Under Gateway

138 Chapter 7 Optional VoIP trunk configurationsP0604630 03

139IP Telephony Configuration Guide Chapter 8Typical network applications using MCDNThis section explains several common installation scenarios and pr

14 PrefaceP0604630 03 Text conventionsThis guide uses these following text conventions:Note: Note/Tip symbolAlerts you to important information.T

140 Chapter 8 Typical network applications using MCDNP0604630 03 Figure 49 M1 to Business Communications Manager network diagramTo set up th

Chapter 8 Typical network applications using MCDN 141IP Telephony Configuration Guide Networking multiple Business Communications ManagersYou ca

142 Chapter 8 Typical network applications using MCDNP0604630 03 This system uses fallback to PSTN so calls can be routed across the PSTN conn

Chapter 8 Typical network applications using MCDN 143IP Telephony Configuration Guide Multi-location chain with call centerYou can create a mult

144 Chapter 8 Typical network applications using MCDNP0604630 03 Business Communications Manager to remote IP telephonesYou can also set up a

145IP Telephony Configuration Guide Appendix AEfficient NetworkingThis section provides information about making your network run more efficiently.• “

146 Efficient NetworkingP0604630 03 organizations the thresholds can be lower than those used in this example. In the event of link failures,

Efficient Networking 147IP Telephony Configuration Guide The peak bandwidth and average bandwidth requirements for a normal two-way call must t

148 Efficient NetworkingP0604630 03 Bandwidth requirements on half duplex linksThe following table provides bandwidth requirements for normal

Efficient Networking 149IP Telephony Configuration Guide Bandwidth requirements on full duplex linksThe following table provides bandwidth requ

Preface 15IP Telephony Configuration Guide AcronymsThis guide uses the following acronyms:API Application Programming InterfaceATM Asynchronous Tra

150 Efficient NetworkingP0604630 03 LAN engineering examplesExample 1: LAN engineering - voice callsConsider a site with four Business Commun

Efficient Networking 151IP Telephony Configuration Guide The average bandwidth for each call is 12.4 kbit/sec per channel or 49.4 kbit/s for al

152 Efficient NetworkingP0604630 03 Additional feature configurationThis section contains additional information about configuring your netwo

Efficient Networking 153IP Telephony Configuration Guide Determining network loading caused by IP telephony trafficAt this point, the installer

154 Efficient NetworkingP0604630 03 Each site supports four VoIP ports. Assume the codex is G.729 Annex B, 20 ms payload. Assuming full-duple

Efficient Networking 155IP Telephony Configuration Guide Enough link capacityThe following table sorts the computations so that for each link,

156 Efficient NetworkingP0604630 03 Implementing the network, LAN engineeringTo minimize the number of router hops between the systems, conne

Efficient Networking 157IP Telephony Configuration Guide • Routing and hop count: Each site pair takes different routes over the intranet. The

158 Efficient NetworkingP0604630 03 Reduce packet errorsPacket errors in intranets correlate to congestion in the network. Packet errors are

Efficient Networking 159IP Telephony Configuration Guide Post-installation network measurementsThe network design process is continuous, even a

16 PrefaceP0604630 03 Related publicationsDocuments referenced in the IP Telephony Configuration Guide, include:• Installation and Maintenance Gu

160 Efficient NetworkingP0604630 03

161IP Telephony Configuration Guide Appendix BSilence compressionThis section describes using silence compression on half duplex and full duplex links

162 Silence compressionP0604630 03 Silence Compression on Half Duplex LinksThe following figure shows the bandwidth requirement for one call

Silence compression 163IP Telephony Configuration Guide The effect of silence compression on half-duplex links is, therefore, to reduce the pea

164 Silence compressionP0604630 03 Silence compression on Full Duplex LinksOn full duplex links, the transmit path and the receive path are s

Silence compression 165IP Telephony Configuration Guide When silence compression is enabled, voice packets are only sent when a speaker is talk

166 Silence compressionP0604630 03 When several calls are made over a full duplex link, all calls share the same transmit path and they share

167IP Telephony Configuration Guide Appendix CNetwork performance utilitiesThere are two common network utilities, Ping and Traceroute. These utilitie

168 Network performance utilitiesP0604630 03

169IP Telephony Configuration Guide Appendix DInteroperabilityThis section discusses interoperability between the Business Communications Manager and

Preface 17IP Telephony Configuration Guide How to get helpUSA and CanadaAuthorized Distributors - ITAS Technical SupportTelephone:1-800-4NORTEL (1-

170 InteroperabilityP0604630 03 Business Communications Manager IP Telephony interoperates with the Gatekeeper applications *Radvision ECS 3.

Interoperability 171IP Telephony Configuration Guide Media path redirectionMedia path redirection occurs after a call has been established, whe

172 InteroperabilityP0604630 03 Asymmetrical media channel negotiation, Net MeetingBy default, the Business Communications Manager IP Telepho

Interoperability 173IP Telephony Configuration Guide Setting up Remote Routers for IP Telephony PrioritizationThis section includes information

174 InteroperabilityP0604630 03 16 Click Create.The Create Filter window opens.17 Select a circuit in the Interfaces field.18 Select a templa

Interoperability 175IP Telephony Configuration Guide Using VLAN on the networkA virtual LAN (VLAN) is a logical grouping of ports, controlled b

176 InteroperabilityP0604630 03 Assigning VLANs becomes important if you have multiple devices connected to the same switch port, such as whe

Interoperability 177IP Telephony Configuration Guide Symbol NetVision telephonesIn order to make calls between Symbol telephones and Business C

178 InteroperabilityP0604630 03 2.5 FP2.5 FP1 MR1.13.0, 3.0.1, 3.5Long tones do not work over IP trunks.2.5 FP12.5 FP1 MR1.13.0 , 3.0.1, 3.5F

Interoperability 179IP Telephony Configuration Guide 3.0/3.0.1 GA Gatekeeper• Officially Business Communications Manager supports RadVision ECS

18 PrefaceP0604630 03 APAC (Asia Pacific)Technical Support - CTASTelephone:+61 388664627Fax:+61 388664644email:[email protected]

180 InteroperabilityP0604630 03 The following table shows which networking applications are supported for each Business Communications Manage

Interoperability 181IP Telephony Configuration Guide • Business Communications Manager call redirection and conferencing are supported• a third

182 InteroperabilityP0604630 03

183IP Telephony Configuration Guide Appendix EQuality of ServiceThe users of corporate voice and data services expect these services to meet a level o

184 Quality of ServiceP0604630 03 Figure 64 Relationship between users and servicesThe IP gateway can monitor the QoS of the Intranet. In t

Quality of Service 185IP Telephony Configuration Guide When the QoS level of any remote gateway is below the fallback threshold, all new calls

186 Quality of ServiceP0604630 03 Delay characteristics vary depending on the site pair and the time of day. The evaluation of the intranet i

Quality of Service 187IP Telephony Configuration Guide Adjusting Ping measurementsThe Ping statistics are based on round-trip measurements. Whi

188 Quality of ServiceP0604630 03 Measurement procedureThe following procedure is an example of how to get delay and error statistics for a s

Quality of Service 189IP Telephony Configuration Guide Decision: does the intranet meet IP telephony QoS needs?The end of the measurement and a

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

190 Quality of ServiceP0604630 03 Traffic mixThis section describes QoS works with the IP telephony, and what new intranet-wide results can o

Quality of Service 191IP Telephony Configuration Guide Business Communications Manager router QoS supportWith a Business Communications Manager

192 Quality of ServiceP0604630 03 Network monitoringThe VoIP Gateway network monitoring function measures the quality of service between the

Quality of Service 193IP Telephony Configuration Guide Delay variation (jitter)The amount of variation in packet delay is otherwise known as de

194 Quality of ServiceP0604630 03

195IP 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

196 GlossaryP0604630 03 enblocAll dialed digits sent in a single expression. The system waits for all digits to be dialed before processing the c

Glossary 197IP 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

198 GlossaryP0604630 03 IP serverOn the Business Communications Manager, this is the server that registers IP telephones.IP telephoneIn this book

Glossary 199IP Telephony Configuration Guide network diagramThis is a physical drawing/description of how the local network works to which your Bus

2 P0604630 03 Copyright © 2003 Nortel NetworksAll rights reserved. The information in this document is subject to change without notice. The

20 Chapter 1 IntroductionP0604630 03 • Increased customer satisfaction. Breakthrough e-business applications help deliver the top-flight custo

200 GlossaryP0604630 03 silence compression/silence suppressionThis is the utility that omits the data packets that occur when no one is talking

Glossary 201IP Telephony Configuration Guide VoIP faxWired fax devices can be assigned to H.323 VoIP line pools as these VoIP trunks now support th

202 GlossaryP0604630 03

IP Telephony Configuration Guide203IndexNumbers3-port switchIP telephones 44relocating IP telephones 65Aabsorbed length 110, 111access codenetw

204 IndexP0604630 03comfort noise 166computed load 186computer, IP telephony prerequisites 37Conference Call 171configureDN record 48i2

Index 205 IP Telephony Configuration Guideend to end delay 156, 185end to end DTMF signaling 170Endpoint Type, Radvision 129end-to-end packet

206 IndexP0604630 03NetVision 69H.323 endpoints 127H.323 terminals recorddeleting handset record 79NetVision 75updating 77H.323 Trunks

Index 207 IP Telephony Configuration Guideethernet connection 44feature labels 60firmware, downloading 62H.323 Terminals record 75home-base

208 IndexP0604630 03Gateway Protocol 90Registration TTL 90Locating Server 47MM1-IPTdefined 23gateway type 139Interoperability 169payl

Index 209 IP Telephony Configuration GuideBusiness Communications Manager prerequisites 32call chain configuration 143checklist for IP telephon

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

210 IndexP0604630 03determine which IP address to use 34IP telephones 47network example 116setting 33VoIP trunks 33QQoSanalysing 189B

Index 211 IP Telephony Configuration Guidescheduleactivating VoIP schedule 114control set 118destination codes 110PSTN fallback 114service

212 IndexP0604630 03VVADsilence suppression 161VLAN 47IP telephone 47, 175i-series telephones 37site-specific options 176Voice Activity

22 Chapter 1 IntroductionP0604630 03 Figure 1 Network diagramInspect FORWARD CallersInspect FORWARD CallersMXPMXPFCTMENUNAMERCLSTOCLRSNDEND1

Chapter 1 Introduction 23IP Telephony Configuration Guide Networking with Business Communications Manager 3.5 The Business Communications Manage

24 Chapter 1 IntroductionP0604630 03 The IP telephones connect to the Business Communications Manager across an IP network through either a LA

Chapter 1 Introduction 25IP Telephony Configuration Guide The Programming Operations Guide has a data section that describes the internet protoc

26 Chapter 1 IntroductionP0604630 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 is how the jitter buffer works:Assume a jitter buffer setting of five frames.• Th

28 Chapter 1 IntroductionP0604630 03 The Business Communications Manager 3.5 system performs QOS routing, but if one or more routers along the

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

3IP Telephony Configuration GuideContentsPreface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

30 Chapter 2 Prerequisites checklistP0604630 03 Network devicesThe following table contains questions about devices on the network such as fir

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

32 Chapter 2 Prerequisites checklistP0604630 03 System configuration for IP functionsSeveral sections of the Business Communications Manager m

Chapter 2 Prerequisites checklist 33IP Telephony Configuration Guide Defining the published IP addressThe published IP address is the IP address

34 Chapter 2 Prerequisites checklistP0604630 03 Determining the published IP addressUse the flowchart in the following figure to determine whi

Chapter 2 Prerequisites checklist 35IP Telephony Configuration Guide Configuring media gateway parameters for IP serviceTo set up the media gate

36 Chapter 2 Prerequisites checklistP0604630 03 VoIP trunksComplete this section if you are configuring VoIP trunks.T.38 UDP Redundancy 0, 1,

Chapter 2 Prerequisites checklist 37IP Telephony Configuration Guide IP telephone recordsComplete this section if you are installing i-series an

38 Chapter 2 Prerequisites checklistP0604630 03

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

4 ContentsP0604630 03Setting the Global IP (published IP) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33Determining t

40 Chapter 3 Installing IP telephonesP0604630 03 About Nortel Networks IP telephonesThe i2002 and i2004 telephones are hardwired to an interne

Chapter 3 Installing IP telephones 41IP Telephony Configuration Guide Preparing your system for IP telephone registrationWhen you install an IP

42 Chapter 3 Installing IP telephonesP0604630 03 3 Use the information in the table below to set up your IP terminals general information.4 Go

Chapter 3 Installing IP telephones 43IP Telephony Configuration Guide Choosing a codecThe default codec is used when an IP client has not been c

44 Chapter 3 Installing IP telephonesP0604630 03 Installing i-series telephonesThe Nortel Networks i-series telephones can be configured to th

Chapter 3 Installing IP telephones 45IP Telephony Configuration Guide 4 Connect the other end of the line cord to the Ethernet connection or to

46 Chapter 3 Installing IP telephonesP0604630 03 After registration is complete, you do not need to go through the registration steps describe

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

48 Chapter 3 Installing IP telephonesP0604630 03 When the telephone connects to the server and is ready to use, the display shows the time and

Chapter 3 Installing IP telephones 49IP Telephony Configuration Guide Other troubleshooting tipsHere are a few possible issues you may encounter

Contents 5IP Telephony Configuration GuideCodecs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

50 Chapter 3 Installing IP telephonesP0604630 03 Configuring DHCPYou can use DHCP to automatically assign IP addresses to the IP telephones as

Chapter 3 Installing IP telephones 51IP Telephony Configuration Guide 4 If the DHCP server is not properly configured with the Published IP addr

52 Chapter 3 Installing IP telephonesP0604630 03 aaa identifies Action for server (ASCII encoded decimal, range 0..255)rrr identifies retry co

Chapter 3 Installing IP telephones 53IP Telephony Configuration Guide Checking IP server statusYou can perform a status check on the Business Co

54 Chapter 3 Installing IP telephonesP0604630 03 Modifying IP telephone status settingsSettings such as jitter buffers and codecs for the Nort

Chapter 3 Installing IP telephones 55IP Telephony Configuration Guide Figure 8 IP Terminal status dialog box5 You can change the Codec or Jitt

56 Chapter 3 Installing IP telephonesP0604630 03 Working with the features listYou can add and modify the features that display on the IP tele

Chapter 3 Installing IP telephones 57IP Telephony Configuration Guide Figure 10 Add/Modify Telephony Features List4 Enter or change the Featur

58 Chapter 3 Installing IP telephonesP0604630 03 Using the Hot Desking featureYou can transfer your IP telephony configuration temporarily fro

Chapter 3 Installing IP telephones 59IP Telephony Configuration Guide Notes about Hot Desking• The Hot Desking feature allows a user to divert c

6 ContentsP0604630 03Creating destination codes for fallback routes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 109How it works

60 Chapter 3 Installing IP telephonesP0604630 03 Customizing feature labelsWhen your IP telephone acquires a DN record, the default settings a

Chapter 3 Installing IP telephones 61IP Telephony Configuration Guide 4 In the Feature <label number> field, enter the feature code for th

62 Chapter 3 Installing IP telephonesP0604630 03 Download firmware to a Nortel IP telephoneFirmware is the software stored in the telephone. W

Chapter 3 Installing IP telephones 63IP Telephony Configuration Guide Deregistering DNs for IP telephonesYou can deregister selected telephones

64 Chapter 3 Installing IP telephonesP0604630 03 Deregistering a telephone using a DN registration headingTo deregister a DN from a DN registr

Chapter 3 Installing IP telephones 65IP Telephony Configuration Guide Moving IP telephonesIP telephones retain their DN when they are moved to a

66 Chapter 3 Installing IP telephonesP0604630 03 Configuring a new time zone on a remote telephoneIf the IP telephone connects to the system f

Chapter 3 Installing IP telephones 67IP Telephony Configuration Guide Configuring the Nortel Networks i2050 Software PhoneThe Nortel Networks i2

68 Chapter 3 Installing IP telephonesP0604630 03 5 From the Port menu, select BCM.6 Select the Server Type tab. The screen shown in the follow

69IP Telephony Configuration Guide Chapter 4Installing NetVision telephonesThis section describes how to configure the Symbol NetVision handsets to th

Contents 7IP Telephony Configuration GuideBusiness Communications Manager to remote IP telephones . . . . . . . . . . . . . . . . . . . . . . 144Appe

70 Chapter 4 Installing NetVision telephonesP0604630 03 Access pointsInstructions about installing an 802.11b access point are provided with t

Chapter 4 Installing NetVision telephones 71IP Telephony Configuration Guide Configuring NetVision recordsThis section provides the steps for co

72 Chapter 4 Installing NetVision telephonesP0604630 03 Assigning general settingsIf you want your handsets to all use the same default codec

Chapter 4 Installing NetVision telephones 73IP Telephony Configuration Guide Monitoring H.323 service statusThe Summary screen under H.323 termi

74 Chapter 4 Installing NetVision telephonesP0604630 03 Assigning H.323 Terminals recordsThe H.323 Terminals record (Services, IP Telephony, I

Chapter 4 Installing NetVision telephones 75IP Telephony Configuration Guide If you need to change the H.323 Terminals record, refer to “Updatin

76 Chapter 4 Installing NetVision telephonesP0604630 03 5 Click the Save button.Testing the handset functionsWhen the handset is registered, c

Chapter 4 Installing NetVision telephones 77IP Telephony Configuration Guide Updating the H.323 terminals recordIf you need to change the passwo

78 Chapter 4 Installing NetVision telephonesP0604630 03 Changing a handset NameThe Name is the primary point of recognition for the Business C

Chapter 4 Installing NetVision telephones 79IP Telephony Configuration Guide Deleting a NetVision telephone from the systemIf you want to stop a

8 ContentsP0604630 03No feedback busy station . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 172Set

80 Chapter 4 Installing NetVision telephonesP0604630 03 Figure 21 Deregister DN from Configuration menu

81IP Telephony Configuration Guide Chapter 5Configuring local VoIP trunksThis section explains how to configure voice over IP (VoIP) trunks on a Busin

82 Chapter 5 Configuring local VoIP trunksP0604630 03 Pre-installation system requirementsEnsure that you have obtained or performed the follo

Chapter 5 Configuring local VoIP trunks 83IP Telephony Configuration Guide H.323 network applications considerationsIn order to maintain a level

84 Chapter 5 Configuring local VoIP trunksP0604630 03 Figure 22 IP Trunks Settings screenThe first two fields are read-only and are determin

Chapter 5 Configuring local VoIP trunks 85IP Telephony Configuration Guide Configuring media parametersYou can use the screen described in this

86 Chapter 5 Configuring local VoIP trunksP0604630 03 Silence Compression DisabledEnabledThe silence compression identifies periods of silence

Chapter 5 Configuring local VoIP trunks 87IP Telephony Configuration Guide Setting up the local gatewayThe call signaling method used by the loc

88 Chapter 5 Configuring local VoIP trunksP0604630 03 Figure 25 Local gateway IP interface, SIP trunks3 Use the information in the table bel

Chapter 5 Configuring local VoIP trunks 89IP Telephony Configuration Guide Fields that appear only for H.323 trunksConfiguration note: Refer to

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

90 Chapter 5 Configuring local VoIP trunksP0604630 03 Notes about NPI-TON aliases for H.323 trunksNPI-TON aliases store dialed number prefixes

Chapter 5 Configuring local VoIP trunks 91IP Telephony Configuration Guide Setting up SIP trunk subdomain namesYou can specify the sub-domain na

92 Chapter 5 Configuring local VoIP trunksP0604630 03 Viewing SIP summary and statusSIP trunk programming provides a summary page that provide

Chapter 5 Configuring local VoIP trunks 93IP Telephony Configuration Guide If your system does not have target lines already assigned, use this

94 Chapter 5 Configuring local VoIP trunksP0604630 03

95IP Telephony Configuration Guide Chapter 6Setting up VoIP trunks for outgoing callsThis section explains how to set up your system so that calls can

96 Chapter 6 Setting up VoIP trunks for outgoing callsP0604630 03 Setting up remote gateways and end pointsThis section explains how to set up

Chapter 6 Setting up VoIP trunks for outgoing calls 97IP Telephony Configuration Guide 3 On the top menu, click Configuration, and select Add en

98 Chapter 6 Setting up VoIP trunks for outgoing callsP0604630 03 6 Click the Save button.Transmit Threshold read-onlyReceive Threshold read-o

Chapter 6 Setting up VoIP trunks for outgoing calls 99IP Telephony Configuration Guide Configuring remote endpoints (SIP trunks)This section exp