Avaya IP Telephony Guía de configuración Pagina 178
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178 Interoperability
P0604630 03
2.5 FP
2.5 FP1 MR1.1
3.0, 3.0.1, 3.5
Long tones do not work over IP trunks.
2.5 FP1
2.5 FP1 MR1.1
3.0 , 3.0.1, 3.5
Firewall Default Rules, when enabled, block call processing and signaling. You must add an
additional rule to pass Protocol TCP\UDP, Destination Port H.323 for speech path to
initialize.
2.5 FP1
2.5 FP1 MR1.1
3.0, 3.0.1, 3.5
If an IP Telephony Remote Gateway IP address is pointed at a Wan Link Interface, which is
a Published IP address, the ISDN WAN Backup Feature will not support VoIP Traffic from
any set type to that Published IP Address in some Network Topologies.
2.5 FP1
2.5 FP1 MR1.1
3.0, 3.0.1
3.5
Symbol portable IP handsets
• Login by Extension is login option offered by the telephone, but is not currently
supported by Business Communications manager. The work-around is to administer the
extension as the username in Unified Manager.
• The NetVision handsets do not support G.723, so they will be unable to negotiate a call
on a VoIP trunk if the trunk is set to G.723 only.
• Call Center (ACD) FEATURE 909 is not supported. This is an unworkable feature on
single line display sets, including the M7100, and especially on Symbol.
• Calls between Symbol sets do not support the Call Record feature.
• There is sometimes significant echo heard on the Symbol set during ringback on
outgoing calls over analog lines.
• Business Communications Manager does not support remote registration for symbol
sets if these sets are behind another device, for example, another Business
Communications Manager, or a third-party router, which has NAT turned on.
• Each H323 Terminal configured utilizes one IP Client Resource, whether the H323
Terminal is being used or not.
• Firewall Default Rules, when enabled, block Symbol Registration and call processing.
You must add two additional rules. (1) Pass Protocol TCP\UDP, Destination Port H.323
and (2) Pass Protocol UDP, Destination port 1719.
• Ring cadence on Symbol handsets does not distinguish between Internal and External
callers.
• Symbol sets work fine as members of hunt groups, but when they are answer DN
twinned with other sets, they do not ring under some circumstances.
• When configured with an answer DN for a set in a hunt group, Symbol sets sometimes
do not ring, or ring but do not display CLID information, and cannot answer the incoming
call. It is recommended that the Symbol set be added to the hunt group before the
answer DN set, or that the Symbol set be designated as the prime DN, with the
answer DN for it applied to the twinned desk set. This does address most of the
functionality problems. There still appears to be a problem for calls routed by CCR.
2.5 FP1 MR1.1 *Gatekeeper
• Officially Business Communications Manager supports only ECS 2.1.0.1 gatekeeper.
Business Communications Manager does not support Call Setup (Q.931) routing mode.
• Business Communications Manager does not support the Radvision Dialing plan
package.
• ECS option Check that call is active every XXX seconds must be unchecked.
• Radvision ECS 2.1.0.1 gatekeeper limitations: ECS does not support fast start in the Call
Setup (Q.931) and Call Control (H.245) routing mode.
Table 46 Software interoperability restrictions and limitations for IP trunking (Continued)
Software release Description of restriction/limitation
- Business Communications 1
- Manager 3.5 1
- IP Telephony Configuration 1
- Trademarks 2
- Contents 3
- Chapter 4 4
- Chapter 5 5
- Chapter 6 5
- Before you begin 13
- Symbols used in this guide 13
- Text conventions 14
- Acronyms 15
- Related publications 16
- How to get help 17
- APAC (Asia Pacific) 18
- Technical Support - CTAS 18
- Chapter 1 19
- Introduction 19
- IP telephones and VoIP trunks 20
- Figure 1 Network diagram 22
- Telephones 23
- Gatekeepers on the network 24
- IP network 24
- Key IP telephony concepts 25
- Jitter Buffer 26
- QoS routing 27
- Chapter 2 29
- Prerequisites checklist 29
- Network devices 30
- Network assessment 30
- Resource assessment 31
- Keycodes 31
- Figure 2 Global IP settings 33
- VoIP trunks 36
- IP telephone records 37
- Chapter 3 39
- Installing IP telephones 39
- Choosing a codec 43
- Choosing a Jitter Buffer 43
- Before installing 44
- Using a 3-port switch 44
- Other troubleshooting tips 49
- Configuring DHCP 50
- IP telephony DHCP notes 51
- Checking IP server status 53
- Figure 7 IP Terminal status 54
- 6 Click the Save button 55
- Using the Hot Desking feature 58
- Notes about Hot Desking 59
- Customizing feature labels 60
- Moving IP telephones 65
- Figure 16 i2050 Switch type 68
- Access points 70
- Handset and call functions 70
- Configuring NetVision records 71
- Assigning general settings 72
- Testing the handset functions 76
- Changing a handset Name 78
- Deregistering a telephone 79
- Configuring local VoIP trunks 81
- Published IP address 82
- Configuring media parameters 85
- Setting up the local gateway 87
- P0604630 03 100
- Outgoing call configuration 101
- PSTN call to remote node 103
- Call process 104
- Describing a fallback network 106
- Figure 34 Route XXX screen 108
- Figure 35 VoIP schedule 110
- How it works 112
- Setting up the VoIP schedule 114
- Connecting an i200X telephone 119
- Quality of Service Monitor 120
- PSTN fallback metrics 121
- Chapter 7 123
- Modifying PortRanges 125
- Using a gatekeeper 127
- Gatekeeper call scenarios 133
- Faxing over VoIP lines 134
- Chapter 8 139
- WarehouseHead Office 140
- Appendix A 145
- Efficient Networking 145
- Network engineering 146
- LAN engineering examples 150
- WAN engineering 150
- (8 kb/s) 151
- Setting Non-linear processing 152
- Enough link capacity 155
- Not enough link capacity 155
- Further network analysis 156
- Reduce link delay 157
- Reducing hop count 157
- Routing issues 158
- Appendix B 161
- Silence compression 161
- Time -> 163
- Bandwidth -> 163
- Channel/Link Max 163
- Comfort noise 166
- Appendix C 167
- Network performance utilities 167
- Appendix D 169
- Interoperability 169
- Speech path setup methods 170
- Media path redirection 171
- Gatekeeper 171
- No feedback busy station 172
- Interoperability 173 173
- 174 Interoperability 174
- Using VLAN on the network 175
- 176 Interoperability 176
- Symbol NetVision telephones 177
- 178 Interoperability 178
- Interoperability 179 179
- 180 Interoperability 180
- Interoperability 181 181
- 182 Interoperability 182
- Appendix E 183
- Quality of Service 183
- 184 Quality of Service 184
- Measuring Intranet QoS 185
- Recording routes 186
- Adjusting Ping measurements 187
- Measurement procedure 188
- Quality of Service 189 189
- Traffic mix 190
- TCP traffic behavior 190
- Network Quality of Service 191
- Network monitoring 192
- Quality of Service parameters 192
- Fallback to PSTN 193
- 194 Quality of Service 194
- Glossary 195
- 196 Glossary 196
- Glossary 197 197
- 198 Glossary 198
- Glossary 199 199
- 200 Glossary 200
- Glossary 201 201
- 202 Glossary 202
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