Nortel Networks Remote Gateway 50 - Manual (Page 135)

Alternative Call Routing for Network Bandwidth Management Page 135 of 258
Main Office Configuration for Survivable Remote Gateway 50 Configuration Guide
At the branch office:
• Provision the ALTPrefix as a steering code. Build a Route List Index and
DMI associated with this steering code that alternately routes these calls
to the PSTN with the correct digits.
At the NRS:
• Create a CDP entry for the ALTPrefix in the branch office gateway.
Sequence of events in the call
The information that follows refers to Figure 42 on page 134 and Figure 43
on page 136 .
Figure 43 on page 136 illustrates the steps that occur in an alternately routed
station-to-station call. The diagram assumes that alternately routed calls
originate on Voice Gateway Media Cards at the branch office.