Avaya IP Telephony Konfigurationsanleitung

Part No. P0609327 02March 17, 2004Business Communications Manager 3.6IP Telephony Configuration Guide

10 ContentsP0609327 02

100 Chapter 5 Configuring local VoIP trunksP0609327 02

101IP Telephony Configuration GuideChapter 6Setting up VoIP trunks for outgoing callsThis section explains how to set up your system so that calls can

102 Chapter 6 Setting up VoIP trunks for outgoing callsP0609327 02Figure 29 Internal call from Meridian 1 tandems to remote PSTN lineSince t

Chapter 6 Setting up VoIP trunks for outgoing calls 103IP Telephony Configuration GuideConfiguring a remote gateway (H.323 trunks)This section e

104 Chapter 6 Setting up VoIP trunks for outgoing callsP0609327 02Figure 30 Remote gateway dialog box5 Use the information in the table belo

Chapter 6 Setting up VoIP trunks for outgoing calls 105IP Telephony Configuration Guide6 Click the Save button.Receive Threshold 0.0 (bad) to 5.

106 Chapter 6 Setting up VoIP trunks for outgoing callsP0609327 02Configuring remote endpoints (SIP trunks)This section explains how to config

Chapter 6 Setting up VoIP trunks for outgoing calls 107IP Telephony Configuration GuideOutgoing call configurationThis section explains how to s

108 Chapter 6 Setting up VoIP trunks for outgoing callsP0609327 02Configuring lines and creating line poolsTo set up the line configurations,

Chapter 6 Setting up VoIP trunks for outgoing calls 109IP Telephony Configuration GuideConfiguring telephones to access the VoIP linesFor each t

11IP Telephony Configuration GuideFiguresFigure 1 Network diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

110 Chapter 6 Setting up VoIP trunks for outgoing callsP0609327 02Figure 32 Calling into a remote node from a public locationCall processBas

Chapter 6 Setting up VoIP trunks for outgoing calls 111IP Telephony Configuration Guide4 System B recognizes the code as its own, and uses a loc

112 Chapter 6 Setting up VoIP trunks for outgoing callsP0609327 02Setting up VoIP trunks for fallbackFallback is a feature that allows a call

Chapter 6 Setting up VoIP trunks for outgoing calls 113IP Telephony Configuration GuideDescribing a fallback networkThe following figure shows h

114 Chapter 6 Setting up VoIP trunks for outgoing callsP0609327 02Configuring routes for fallbackConfiguring routes allows you to set up acces

Chapter 6 Setting up VoIP trunks for outgoing calls 115IP Telephony Configuration GuideAdd the PSTN route to other system:1 Type a number betwee

116 Chapter 6 Setting up VoIP trunks for outgoing callsP0609327 023 In the External # field: leave this field blank.4 In the DN type box, choo

Chapter 6 Setting up VoIP trunks for outgoing calls 117IP Telephony Configuration GuideThe number you choose will also depend on the type of dia

118 Chapter 6 Setting up VoIP trunks for outgoing callsP0609327 02Normal. schedule for all fallback destination codes:Figure 37 Normal sched

Chapter 6 Setting up VoIP trunks for outgoing calls 119IP Telephony Configuration Guide4 Change the Overflow setting to Y.Activating the VoIP sc

12 P0609327 02Figure 41 Fallback Metrics fields . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 126Figure 42

120 Chapter 6 Setting up VoIP trunks for outgoing callsP0609327 02How fallback routing worksCDP network: User dials 82233 (remote system DN: 2

Chapter 6 Setting up VoIP trunks for outgoing calls 121IP Telephony Configuration GuideFigure 39 Setting up routes and fallback for remote ext

122 Chapter 6 Setting up VoIP trunks for outgoing callsP0609327 02Example: A private network configured for fallbackThis section walks through

Chapter 6 Setting up VoIP trunks for outgoing calls 123IP Telephony Configuration GuideThe systems already communicate through a PRI line, which

124 Chapter 6 Setting up VoIP trunks for outgoing callsP0609327 02Give all system telephones access to the VoIP line poolPool O Services, Tele

Chapter 6 Setting up VoIP trunks for outgoing calls 125IP Telephony Configuration GuideMaking calls through a private VoIP network gatewayFrom a

126 Chapter 6 Setting up VoIP trunks for outgoing callsP0609327 02In this case, the Santa Clara administrator wants to connect an i2004 phone

Chapter 6 Setting up VoIP trunks for outgoing calls 127IP Telephony Configuration GuideResetting the logWith PSTN Fallback metrics selected: On

128 Chapter 6 Setting up VoIP trunks for outgoing callsP0609327 02Note: For the QoS monitor and PSTN fallback to function, both Business Commu

129IP Telephony Configuration GuideChapter 7Optional VoIP trunk configurationsThis section contains the procedures for configuring applications and fe

13IP Telephony Configuration GuideTablesTable 1 Network diagram prerequisites . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

130 Chapter 7 Optional VoIP trunk configurationsP0609327 02Follow these steps to add a port range:1 In Unified Manager, open Services, IP Tele

Chapter 7 Optional VoIP trunk configurations 131IP Telephony Configuration Guide4 Click the Save button.The listing appears on the PortRanges sc

132 Chapter 7 Optional VoIP trunk configurationsP0609327 02Figure 45 Port ranges dialog box4 Enter the new port settings.5 Click the Save bu

Chapter 7 Optional VoIP trunk configurations 133IP Telephony Configuration Guide• You can reserve multiple discontinuous ranges. Business Commun

134 Chapter 7 Optional VoIP trunk configurationsP0609327 02• M1-IPT does not support a RadVision gatekeeper. Keep this in mind if you have an

Chapter 7 Optional VoIP trunk configurations 135IP Telephony Configuration GuideGatekeeper support for interoperability:6 Create a service confi

136 Chapter 7 Optional VoIP trunk configurationsP0609327 02Using CSE 1000 as a gatekeeperBoth the Business Communications Manager and the CSE

Chapter 7 Optional VoIP trunk configurations 137IP Telephony Configuration GuideCSE 1000 configuration, adding an H.323 endpointIn the Gatekeepe

138 Chapter 7 Optional VoIP trunk configurationsP0609327 026 Ensure that the following fields are set:7 Click Create.Committing Gatekeeper Con

Chapter 7 Optional VoIP trunk configurations 139IP Telephony Configuration GuideConfiguring Codec CompatibilityThe default codec settings for a

14P0609327 02Table 40 Bandwidth Requirements per Gateway port for Full-duplex links . . . . . . . . . . . 156Table 41 Link capacity example . . . .

140 Chapter 7 Optional VoIP trunk configurationsP0609327 027 Ensure the following fields are set:8 Click Submit.9 Click Transfer for the node

Chapter 7 Optional VoIP trunk configurations 141IP Telephony Configuration GuideGatekeeper call scenariosThis section explains what must be set

142 Chapter 7 Optional VoIP trunk configurationsP0609327 02Faxing over VoIP linesYou can assign VoIP trunks to wired fax machines if you have

Chapter 7 Optional VoIP trunk configurations 143IP Telephony Configuration Guide• The call duration can be increased by adding a timed pause to

144 Chapter 7 Optional VoIP trunk configurationsP0609327 024 Click anywhere off the IP trunking dialog to save the changes.Remote Capability M

Chapter 7 Optional VoIP trunk configurations 145IP Telephony Configuration GuideConfiguring NetMeeting clientsNetMeeting is an application avail

146 Chapter 7 Optional VoIP trunk configurationsP0609327 02Figure 49 NetMeeting Advanced Calling Options4 Under Gateway settings, select the

147IP Telephony Configuration GuideChapter 8Typical network applications using MCDNThis section explains several common installation scenarios and pro

148 Chapter 8 Typical network applications using MCDNP0609327 02Figure 50 M1 to Business Communications Manager network diagramTo set up thi

Chapter 8 Typical network applications using MCDN 149IP Telephony Configuration GuideNetworking multiple Business Communications ManagersYou can

15IP Telephony Configuration Guide PrefaceThis guide describes IP Telephony functionality for the Business Communications Manager system that is runni

150 Chapter 8 Typical network applications using MCDNP0609327 02This system uses fallback to PSTN so calls can be routed across the PSTN conne

Chapter 8 Typical network applications using MCDN 151IP Telephony Configuration GuideMulti-location chain with call centerYou can create a multi

152 Chapter 8 Typical network applications using MCDNP0609327 02Business Communications Manager to remote IP telephonesYou can also set up a s

153IP Telephony Configuration GuideAppendix AEfficient NetworkingThis section provides information about making your network run more efficiently.• “D

154 Efficient NetworkingP0609327 02organizations the thresholds can be lower than those used in this example. In the event of link failures,

Efficient Networking 155IP Telephony Configuration GuideThe peak bandwidth and average bandwidth requirements for a normal two-way call must ta

156 Efficient NetworkingP0609327 02With no silence suppression, both the transmit path and the receive path continuously transmit voice packe

Efficient Networking 157IP Telephony Configuration GuideWith no silence suppression, both the transmit path and the receive path continuously t

158 Efficient NetworkingP0609327 02WAN engineeringWide Area Network (WAN) links are typically full-duplex links - both talk and listen traffi

Efficient Networking 159IP Telephony Configuration GuideQoS Monitoring Bandwidth RequirementThe VoIP Quality-of-Service (QoS) Monitor periodica

16 PrefaceP0609327 02Text conventionsThis guide uses these following text conventions:Warning: Warning SymbolAlerts you to conditions where you c

160 Efficient NetworkingP0609327 02Determining network loading caused by IP telephony trafficAt this point, the installer or administrator ha

Efficient Networking 161IP Telephony Configuration GuideEach site supports four VoIP ports. Assume the codex is G.729 Annex B, 20 ms payload. A

162 Efficient NetworkingP0609327 02Some network management systems have network planning modules that determine network flows. These modules

Efficient Networking 163IP Telephony Configuration GuideComponents of delayEnd-to-end delay is the result of many delay components. The major c

164 Efficient NetworkingP0609327 02Reducing hop countTo reduce end-to-end delay, reduce hop count, especially on hops that move across WAN li

Efficient Networking 165IP Telephony Configuration GuideSaturation refers to a situation where too many packets are on the intranet. Packets ca

166 Efficient NetworkingP0609327 02

167IP Telephony Configuration GuideAppendix BSilence compressionThis section describes using silence compression on half duplex and full duplex links:

168 Silence compressionP0609327 02Silence compression on half-duplex linksThe following figure shows the bandwidth requirement for one call o

Silence compression 169IP Telephony Configuration GuideThe effect of silence compression on half-duplex links is, therefore, to reduce the peak

Preface 17IP Telephony Configuration GuideAcronymsThis guide uses the following acronyms:API Application Programming InterfaceATM Asynchronous Tran

170 Silence compressionP0609327 02Silence compression on full-duplex linksOn full duplex links, the transmit path and the receive path are se

Silence compression 171IP Telephony Configuration GuideWhen silence compression is enabled, voice packets are only sent when a speaker is talki

172 Silence compressionP0609327 02When several calls are made over a full duplex link, all calls share the same transmit path and they share

173IP Telephony Configuration GuideAppendix CNetwork performance utilitiesThere are two common network utilities, Ping and Traceroute. These utilities

174 Network performance utilitiesP0609327 02

175IP Telephony Configuration GuideAppendix DInteroperabilityThis section discusses interoperability between the Business Communications Manager and o

176 InteroperabilityP0609327 02Business Communications Manager IP Telephony interoperates with the Gatekeeper applications *Radvision ECS 3.2

Interoperability 177IP Telephony Configuration GuideMedia path redirectionMedia path redirection occurs after a call has been established, when

178 InteroperabilityP0609327 02Asymmetrical media channel negotiation, Net MeetingBy default, the Business Communications Manager IP Telephon

Interoperability 179IP Telephony Configuration GuideSetting up Remote Routers for IP Telephony PrioritizationThis section includes information

18 PrefaceP0609327 02Related publicationsDocuments referenced in the IP Telephony Configuration Guide, include:• Installation and Maintenance Gui

180 InteroperabilityP0609327 028 Click the OK button.The Filter Template Management window opens. The new template appears in the templates l

Interoperability 181IP Telephony Configuration GuideUsing VLAN on the networkA virtual LAN (VLAN) is a logical grouping of ports, controlled by

182 InteroperabilityP0609327 02Assigning VLANs becomes important if you have multiple devices connected to the same switch port, such as when

Interoperability 183IP Telephony Configuration GuideSymbol NetVision telephonesIn order to make calls between Symbol telephones and Business Co

184 InteroperabilityP0609327 02H.323 trunk compatibility issuesThe following tables provide a brief overview of the IP trunking and telephony

Interoperability 185IP Telephony Configuration Guide3.0/3.0.1 GA Gatekeeper• Officially Business Communications Manager supports RadVision ECS

186 InteroperabilityP0609327 023.0.1 and prior The profile on the IPT must be set to the same first preferred codec as that of the Business C

Interoperability 187IP Telephony Configuration Guide3.5 and prior Symbol portable IP handsets• Login by Extension is login option offered by th

188 InteroperabilityP0609327 02The following table shows which networking applications are supported for each Business Communications Manager

Interoperability 189IP Telephony Configuration Guide• SIP trunks do not support the MCDN networking protocol• Business Communications Manager c

Preface 19IP Telephony Configuration GuideHow to get helpIf you do not see an appropriate number in this list, go to www.Nortelnetworks.com/support

190 InteroperabilityP0609327 02

191IP Telephony Configuration GuideAppendix EQuality of ServiceThe users of corporate voice and data services expect these services to meet a level of

192 Quality of ServiceP0609327 02Figure 64 Relationship between users and servicesThe IP gateway can monitor the QoS of the Intranet. In th

Quality of Service 193IP Telephony Configuration GuideWhen the QoS level of any remote gateway is below the fallback threshold, all new calls a

194 Quality of ServiceP0609327 02Delay characteristics vary depending on the site pair and the time of day. The evaluation of the intranet in

Quality of Service 195IP Telephony Configuration GuideAdjusting Ping measurementsThe Ping statistics are based on round-trip measurements. Whil

196 Quality of ServiceP0609327 02Measurement procedureThe following procedure is an example of how to get delay and error statistics for a sp

Quality of Service 197IP Telephony Configuration GuideDecision: does the intranet meet IP telephony QoS needs?The end of the measurement and an

198 Quality of ServiceP0609327 02Implementing QoS in IP networksThe information under the headings in this section explain how to implement Q

Quality of Service 199IP Telephony Configuration GuideTCP traffic behaviorMost of corporate intranet traffic is TCP-based. Different from UDP,

2 P0609327 02Copyright © 2004 Nortel NetworksAll rights reserved. The information in this document is subject to change without notice. The s

20 PrefaceP0609327 02India 011-5154-2210 Indonesia 0018-036-1004 Japan 0120-332-533 Malaysia 1800-805-380 New Zealand 0800-449-716 Philippines 18

200 Quality of ServiceP0609327 02Network Quality of ServiceThis information under the headings in this section provides details about the qua

Quality of Service 201IP Telephony Configuration GuideQuality of Service parametersQuality of Service depends on end-to-end network performance

202 Quality of ServiceP0609327 02

203IP Telephony Configuration GuideGlossaryaccess point (802.11b)This is a piece of hardware using either IEEE 802.11 (1 or 2 M-bits/sec, Frequency Ho

204 GlossaryP0609327 02communications protocolA set of agreed-upon communications formats and procedures between devices on a data communication

Glossary 205IP Telephony Configuration Guidefeature labelsThe names that appear beside the four/six soft keys on Nortel IP telephones can be adjust

206 GlossaryP0609327 02gatekeeperA gatekeeper is server application on a network that tracks IP addresses of specified devices to provide routing

Glossary 207IP Telephony Configuration GuideIP telephoneIn this book, this term refers to any internet-based telephone that works with the Business

208 GlossaryP0609327 02network diagramThis is a physical drawing/description of how the local network works to which your Business Communications

Glossary 209IP Telephony Configuration GuideNetwork note: Any systems in a private network that are running software versions previous to BCM 35 or

21IP Telephony Configuration GuideChapter 1IntroductionIP telephony provides the flexibility, affordability, and expandability of the Internet to the

210 GlossaryP0609327 02voice compressionMethod of reducing bandwidth by reducing the number of bits required to transmit voice.Voice over IP (VoI

IP Telephony Configuration Guide211IndexNumbers3-port switchIP telephones 46relocating IP telephones 69Aabsorbed length 117, 118access codenetw

212 IndexP0609327 02comfort noise 172computed load 194computer, IP telephony prerequisites 40Conference Call 177configureDN record 51i2

Index 213 IP Telephony Configuration Guideecho reply 173efficient networking 153Enable TTL 134end to end delay 163, 193end to end DTMF sign

214 IndexP0609327 02H.323 devicesNetMeeting 175NetVision 73H.323 endpoints 133H.323 terminals recorddeleting handset record 82NetVision

Index 215 IP Telephony Configuration Guidecontrast level 52defined 22deleting handset record 82deregister 66deregisteringonline sets 66DH

216 IndexP0609327 02VoIP trunk routing 114linkcapacity insufficient 162capacity, system engineering 161delay 163full duplex bandwidth req

Index 217 IP Telephony Configuration Guidelink delay 163loading 160locations, prerequisites 31monitoring 200planning modules 162port sett

218 IndexP0609327 02using M1-IPT 25PRI, MCDN fallback 148private IP address 32, 36, 122private network, MCDN Zone ID 144private network,

Index 219 IP Telephony Configuration Guideroutesfull duplex link 161recording 194site pairs 194routingand hop count 163asymmetrical 165de

22 Chapter 1 IntroductionP0609327 02• Scalability. A future-proof, flexible, and safe solution, combined with high reliability, allows your co

220 IndexP0609327 02trafficnetwork loading 160network mix 198WAN link resources 153transfermedia path redirection 177transmission charact

Index 221 IP Telephony Configuration GuideWWA NBusiness Communications Manager function 34link resources 153network engineering 158Published

222 IndexP0609327 02

Chapter 1 Introduction 23IP Telephony Configuration Guidebetween Business Communications Managers. H.323 trunks can support connections to a num

24 Chapter 1 IntroductionP0609327 02Figure 1 Network diagramNetworking with Business Communications Manager The Business Communications Mana

Chapter 1 Introduction 25IP Telephony Configuration GuideM1-IPTThe Meridian 1 Internet Telephony Path (M1-IPT) allows Meridian 1 systems to comm

26 Chapter 1 IntroductionP0609327 02Digital telephone A sends a request to the gatekeeper. The gatekeeper, depending on how it is programmed,

Chapter 1 Introduction 27IP Telephony Configuration GuidePublic Switched Telephone NetworkThe Public Switched Telephone Network (PSTN) can play

28 Chapter 1 IntroductionP0609327 02The Business Communications Manager supports these codecs:• G.729• G.723• G.729 with VAD (Voice Activity D

Chapter 1 Introduction 29IP Telephony Configuration Guide• Large (G.723: .18 seconds; G711/G.729: .15 seconds)QoS routingTo minimize voice jitte

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

30 Chapter 1 IntroductionP0609327 02

31IP Telephony Configuration GuideChapter 2Prerequisites checklistBefore you set up voice over IP (VoIP) trunks or IP telephones on a Business Communi

32 Chapter 2 Prerequisites checklistP0609327 02Network devicesThe following table contains questions about devices on the network such as fire

Chapter 2 Prerequisites checklist 33IP Telephony Configuration GuideNetwork assessmentThe following table questions are meant to ensure that the

34 Chapter 2 Prerequisites checklistP0609327 02KeycodesAll elements of VoIP trunks and IP telephony are locked by the Business Communications

Chapter 2 Prerequisites checklist 35IP Telephony Configuration GuideFinding the published IP addressThe published IP address is the IP address u

36 Chapter 2 Prerequisites checklistP0609327 02Determining the published IP addressUse the flowchart in the following figure to determine whic

Chapter 2 Prerequisites checklist 37IP Telephony Configuration GuideMedia gateway parameters for IP serviceTo set up the media gateway resources

38 Chapter 2 Prerequisites checklistP0609327 02G.723.1 Data Rate 5.3 kbps6.3 kbpsChoose the preferred data rate for the channel.G.723.1 Data R

Chapter 2 Prerequisites checklist 39IP Telephony Configuration GuideVoIP trunksComplete this section if you are configuring VoIP trunks.Table 9

4 ContentsP0609327 02Chapter 3Installing IP telephones. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41IP telepho

40 Chapter 2 Prerequisites checklistP0609327 02IP telephone recordsComplete this section if you are installing i-series and/or NetVision telep

41IP Telephony Configuration GuideChapter 3Installing IP telephonesAn IP telephone converts the voice signal into data packets and sends these packets

42 Chapter 3 Installing IP telephonesP0609327 02IP telephony on the Business Communications ManagerThe Business Communications Manager support

Chapter 3 Installing IP telephones 43IP Telephony Configuration GuidePreparing your system for IP telephone registrationWhen you install an IP t

44 Chapter 3 Installing IP telephonesP0609327 023 Use the information in the table below to set up your IP terminals general information.Table

Chapter 3 Installing IP telephones 45IP Telephony Configuration Guide4 Go to “Installing i-series telephones” on page 46.Choosing a codecThe def

46 Chapter 3 Installing IP telephonesP0609327 02Choosing a Jitter BufferA jitter buffer is used to prevent the jitter associated with arriving

Chapter 3 Installing IP telephones 47IP Telephony Configuration GuideThe i2001, i2002, and newer models of the i2004 telephone have an adapter i

48 Chapter 3 Installing IP telephonesP0609327 02Registering the telephone to the systemWhen you first connect the telephone to the IP connecti

Chapter 3 Installing IP telephones 49IP Telephony Configuration GuidePress the button sequence within 1.5 seconds or the telephone will not go i

Contents 5IP Telephony Configuration GuideAccess points. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

50 Chapter 3 Installing IP telephonesP0609327 02If DHCP = 1Manual Cfg?DHCP:Full = 0Partial = 1If you indicate DHCP for the telephone, but you

Chapter 3 Installing IP telephones 51IP Telephony Configuration GuideAfter you have entered all the configuration information, the telephone att

52 Chapter 3 Installing IP telephonesP0609327 02To see the Codec data for a telephone while it is on a call: Press the key, followed by the

Chapter 3 Installing IP telephones 53IP Telephony Configuration GuideConfiguring DHCPYou can use DHCP to automatically assign IP addresses to th

54 Chapter 3 Installing IP telephonesP0609327 02If the DHCP server is not properly configured with the Published IP address, the telephones wi

Chapter 3 Installing IP telephones 55IP Telephony Configuration Guideaaa identifies Action for server (ASCII encoded decimal, range 0..255)rrr i

56 Chapter 3 Installing IP telephonesP0609327 02Checking IP server statusYou can perform a status check on the Business Communications Manager

Chapter 3 Installing IP telephones 57IP Telephony Configuration GuideModifying IP telephone status settingsSettings such as jitter buffers and c

58 Chapter 3 Installing IP telephonesP0609327 02Figure 8 IP Terminal status dialog box5 You can change the Codec or JitterBuffer settings fo

Chapter 3 Installing IP telephones 59IP Telephony Configuration GuideWorking with the features listYou can add and modify the features that disp

6 ContentsP0609327 02Managing H.323 and SIP trunks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 107Configuring lines a

60 Chapter 3 Installing IP telephonesP0609327 02Figure 10 Add/Modify Telephony Features List4 Enter or change the Feature Name and correspon

Chapter 3 Installing IP telephones 61IP Telephony Configuration GuideResetting the Hot Desking passwordYou can transfer your IP telephony config

62 Chapter 3 Installing IP telephonesP0609327 02Notes about Hot Desking• The Hot Desking feature allows a user to divert calls and signals fro

Chapter 3 Installing IP telephones 63IP Telephony Configuration Guide• If the target telephone has a headset, but the originating telephone does

64 Chapter 3 Installing IP telephonesP0609327 02Changing features or labels on the memory buttonsFollow these steps to change the features or

Chapter 3 Installing IP telephones 65IP Telephony Configuration GuideSome features, like Page and System Wide Call Appearances (SWCA), have seve

66 Chapter 3 Installing IP telephonesP0609327 02The system drops any active call on that telephone, and downloads a new firmware load into the

Chapter 3 Installing IP telephones 67IP Telephony Configuration GuideFigure 13 Deregister DN from Configuration menu5 Click Deregister DN.6 Re

68 Chapter 3 Installing IP telephonesP0609327 024 Click on the Configuration menu, then select Deregister. Refer to the figure below.• If you

Chapter 3 Installing IP telephones 69IP Telephony Configuration GuideMoving IP telephonesIP telephones retain their DN when they are moved to a

Contents 7IP Telephony Configuration GuideSetting Codecs on the CSE 1000 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 139G

70 Chapter 3 Installing IP telephonesP0609327 02Configuring a new time zone on a remote telephoneIf the IP telephone connects to the system fr

Chapter 3 Installing IP telephones 71IP Telephony Configuration GuideNortel Networks i2050 Software PhoneThe Nortel Networks i2050 Software Phon

72 Chapter 3 Installing IP telephonesP0609327 024 Enter the Published IP address of the Business Communications Manager in the IP address fiel

73IP Telephony Configuration GuideChapter 4Installing NetVision telephonesThis section describes how to configure the Symbol NetVision handsets to the

74 Chapter 4 Installing NetVision telephonesP0609327 02KeycodesBefore setting up NetVision telephones, ensure that you have enough IP client k

Chapter 4 Installing NetVision telephones 75IP Telephony Configuration GuideConfiguring NetVision recordsThis section provides the steps for con

76 Chapter 4 Installing NetVision telephonesP0609327 02Assigning general settingsIf you want your handsets to all use the same default codec a

Chapter 4 Installing NetVision telephones 77IP Telephony Configuration GuideMonitoring H.323 service statusThe Summary screen under H.323 termin

78 Chapter 4 Installing NetVision telephonesP0609327 02Assigning H.323 Terminals recordsThe H.323 Terminals record (Services, IP Telephony, IP

Chapter 4 Installing NetVision telephones 79IP Telephony Configuration GuideAdding a NetVision record in the Unified ManagerFollow these steps t

8 ContentsP0609327 02Appendix BSilence compression. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 167Silence com

80 Chapter 4 Installing NetVision telephonesP0609327 025 Click the Save button.Note: Shortly after the H.323 Terminals record is saved, the sy

Chapter 4 Installing NetVision telephones 81IP Telephony Configuration GuideModifying H.323 terminal recordsOnce the handset registers to the sy

82 Chapter 4 Installing NetVision telephonesP0609327 02Changing a handset NameThe Name is the primary point of recognition for the Business Co

Chapter 4 Installing NetVision telephones 83IP Telephony Configuration GuideUnder the Systems DNs heading, the DN record returns to the Inactive

84 Chapter 4 Installing NetVision telephonesP0609327 02

85IP Telephony Configuration GuideChapter 5Configuring local VoIP trunksThis section explains how to configure voice over IP (VoIP) trunks on a Busine

86 Chapter 5 Configuring local VoIP trunksP0609327 02You cannot program DISA for voice over IP (VoIP) trunks, therefore, you cannot use COS pa

Chapter 5 Configuring local VoIP trunks 87IP Telephony Configuration GuideIf you plan to use H.323 trunking and you have a firewall set up, ensu

88 Chapter 5 Configuring local VoIP trunksP0609327 024 Use the information in the table below to determine the distribution of H.323 and SIP t

Chapter 5 Configuring local VoIP trunks 89IP Telephony Configuration GuideConfiguring media parametersYou can use the screen described in this s

Contents 9IP Telephony Configuration GuideTCP traffic behavior . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

90 Chapter 5 Configuring local VoIP trunksP0609327 024 Use the information in the table below to set up the media parameters for your system.T

Chapter 5 Configuring local VoIP trunks 91IP Telephony Configuration GuideSetting up the local gatewayThe call signaling method used by the loca

92 Chapter 5 Configuring local VoIP trunksP0609327 02SIP trunks communicate between Business Communications Managers. The addressing for the r

Chapter 5 Configuring local VoIP trunks 93IP Telephony Configuration Guide3 Use the information in the table below to set up the Local Gateway I

94 Chapter 5 Configuring local VoIP trunksP0609327 02*Gatekeeper IP <ip address> If GateKeeperRouted, GateKeeperResolved or GateKeeperRo

Chapter 5 Configuring local VoIP trunks 95IP Telephony Configuration Guide**Gateway Protocol NoneSL1CSEBoth these protocols require a keycode.SL

96 Chapter 5 Configuring local VoIP trunksP0609327 02Notes about NPI-TON aliases for H.323 trunksNPI-TON aliases store dialed number prefixes

Chapter 5 Configuring local VoIP trunks 97IP Telephony Configuration GuideSetting up SIP trunk subdomain namesYou can specify the sub-domain nam

98 Chapter 5 Configuring local VoIP trunksP0609327 02Viewing SIP summary and statusSIP trunk programming provides a summary page that provides

Chapter 5 Configuring local VoIP trunks 99IP Telephony Configuration GuideConfiguring target linesThere are two places where target lines need t