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2.0 Mb DTI/PRI Administration and Maintenance Guide Book ... - Home

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Chapter 3 — DPNSS1/DASS2 features description <strong>and</strong> implementation Page 783 of 1536<br />

Figure 114<br />

MCDN/DPNSS1 RO/TAT Interworking scenario, before RO has been applied<br />

1<br />

Station A<br />

Station C<br />

Station A calls B<br />

Option 11<br />

2<br />

Node 1<br />

3<br />

Station C <strong>and</strong> A<br />

are bridged.<br />

Station C rings.<br />

<strong>PRI</strong> channel 1<br />

used for first call<br />

Tromboning<br />

<strong>PRI</strong> channel 2<br />

used for second call<br />

Option 11<br />

Node 2<br />

DPNSS1<br />

DPNSS1<br />

DPNSS1<br />

Option 11<br />

Node 4<br />

Option 11<br />

Node 3<br />

2<br />

Station B<br />

transfers to<br />

Station C<br />

553-8012.EPS<br />

Option 11C <strong>2.0</strong> <strong>Mb</strong> <strong>DTI</strong>/<strong>PRI</strong> <strong>Administration</strong> <strong>and</strong> <strong>Maintenance</strong> guide

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