Avaya IP Telephony Guía de configuración Pagina 123

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Chapter 6 Setting up VoIP trunks for outgoing calls 123
IP Telephony Configuration Guide
The systems already communicate through a PRI line, which will be configured to be used for
fallback. Both systems already have all keycodes installed for eight VoIP lines, and resources
properly allocated for VoIP trunking. For information about keycodes, see the Keycode
Installation Guide. For information about Resource Allocation, see Configuring the MSC
Resources in the Programming Operations Guide.
Each Business Communications Manager has 10 telephones that will be using VoIP lines. In this
setup only eight calls can be sent or received over the VoIP trunks at one time. If all 10 telephones
attempt to call at the same time, two of the calls will be rerouted to the PSTN or other alternate
routes if multiple routing is set up in the destination code schedule.
System programming for networking and fallback routes
The following table provides the settings that are required for both systems to create a fallback
network.
From this system, dial 9 to get onto PSTN From this system, dial 9 to get onto PSTN
Dialing plan: CDP Dialing plan: CDP, destination code is part of
DN
Routing Routing
Target DN 2244 (first digit is unique to
system)
Target DN 3322 (first digit is unique to
system)
Remote gateway destination digit: 2 Remote gateway destination digit: 3
Destination code: 2 Destination code: 3
VoIP/private network dialout: no external #,
user dials 2244 (no absorbed digits)
VoIP/private network dialout: no external #,
user dials 3322 (no absorbed digits)
Table 27 Fallback configuration for to create fallback between two systems
Task
Settings for
Santa Clara
Settings for
Ottawa Location in Unified Manager
Set up a Control set for each
VoIP line
3321 2221 Services, Telephony Services,
Lines, VoIP lines, Enabled
VoIP lines
Set Published IP address that
the devices on the Packet
Data Network (PDN will use
to locate the system).
LAN 2 Services, IP Telephony,
IP Terminals
Set first preferred Codec G.729 Services, IP Telephony,
IP Trunks, H.323 Trunks,
Media Parameters tab.
Set Silence Compression On
Set Jitter Buffer Medium
Put 8 VoIP lines into the
same line pool
Pool O Services, IP Telephony,
IP Trunks, H.323 Trunks,
Local Gateway Interface
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