Avaya BCM50 Konfigurationsanleitung PDF herunterladen (Seite 90)

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90 Chapter 8 Lines overview

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Understanding how the system identifies lines

On a new system, lines and loops are numbered and assigned defaults based on the type of media

bay modules that have been connected to the system. The exception are the VoIP trunks, which

require a keycode to activate.

These panels allow you to easily view which lines have been enabled through a media bay module.

From this heading, you can access each line record and assign attributes, as you require.

Determining which lines you need to program

Under Lines, note that line types are divided into five headings. The fifth heading contains all line

numbers.

• “Active physical lines”

• “Active VoIP lines (require keycode)”

• “Target lines” on page 91

• Inactive Lines

• All Lines

Active physical lines

Lines 061-124 are reserved for physical lines.

Active VoIP lines (require keycode)

Voice over IP (VoIP) lines are signaling channels that simulate how CO lines work. However,

VoIP lines transmit data to the IP network over a LAN or IP network rather than over physical

lines. Once the VoIP trunks are set up, you can assign them to line pools, and program their

behavior in the same way you would PRI lines.

VoIP lines use line numbers 001 to 012. These line records appear under Configuration >

Telephony > Lines > Active VoIP Lines. To access VoIP lines, you need to enter software

keycodes. Each keycode supports a specific number of lines. No entries appear in the Enabled

VoIP lines field until you complete the IP Trunks Settings field, which appears when you click IP

Trunks under Configuration > Resources > Telephony Resources > IP trunks.

VoIP trunks should be configured to use a single line pool per trunk type. Do not mix other trunk

types on the same line pool. The VoIP line pools are assigned to routes, which, in turn, are

configured with destination codes that route calls to the designated remote gateways of other BCM

systems or Succession, or MCS5100 systems.

You can also create a fallback for the trunk. This is a situation where the system reroutes the call to

a PSTN line pool if the primary route is not available or the call quality is not suitable. If you do

not configure your network for fallback and the call quality is below threshold, the IP call fails.

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