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326 Chapter 30 Dialing plan: Private network settings

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VoIP-specific private network dialing

The features contained in the VoIP subpanel are required for installations like the Survivable

Remote Gateway (SRG), where the remote call server requires bandwidth management to handle

calls.

Figure 109 illustrates the VoIP panel.

Table 73 Private network values

Attribute Values Description

Private networking also provides access to tandem calling and toll bypass functionality to users calling into the

system.

For example, a PSTN user in Toronto could call a PSTN user in Ottawa and have the call routed over the private

network connection from the Toronto office to the Ottawa office and then out to the PSTN from the Ottawa office. This

bypasses any long distance toll charges.

BCM to BCM to PSTN: Calls are routed as private over the private network, and then flagged as public to go out to

the end node PSTN.

Meridian to BCM to PSTN: Special call codes from the Meridian (Local, National and Special access codes) need to

be recognized by the BCM and correctly passed to the local PSTN.

Local access code <code to access local PSTN> MCDN connections only.

This number is prepended to an incoming M1 local dial

string and designates the call as a Local call type

(typically 9). Refer to “Using the MCDN access codes to

tandem calls” on page 293.

National access code <private access code + 1> MCDN connections only.

This number is prepended to an incoming call marked as a

long distance call, and designates the call as a National

type call (private access code + 1).

Special access code <code to access local PSTN> MCDN connections only.

This number is prepended to an incoming international

(011....) or special-case dial string (911, 411) and

designates the call as a special type call (9011...., 9911,

9411).

Incoming and tandem calls (Also refer to “Dialing plan: Routing and destination codes” on page 295).

Network ICCL <check box> ISDN Call Connection Limitation is part of the call initiation

request. This feature acts as a check at transit PBX points

to prevent misconfigured routes or calls with errors from

blocking channels.

TRO <check box> Trunk Route Optimization occurs during the call setup. This

feature finds the most direct route through the network to

send a call between nodes.

TAT <check box> Trunk anti-tromboning works during an active call to find the

optimum routing.

These features require compatible programming on the remote system.

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Avaya BCM 4.0 Networking Guida di Configurazione Pagina 326

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