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The Number Pooling feature provides the
functional capability to support 1,000-block
Number Pooling in the LRN and Global Title
Translation (GTT) databases with a routing
functionality similar to LNP. To route a call,
the originating switch launches an LRN query
to obtain the LRN of the called number. The
Alcatel 5070 SSG ANSI must determine the LRN,
which may require two database lookups: one
to determine if a number is ported, and if it is
not ported, another to determine if it is pooled.
Application Location Register
In today’s environment, wireless service
providers must pace network growth with an
increasing number of subscribers and complex
services. The Alcatel 5070 SSG ANSI features
Application Location Register (ALR) routing,
shown in Figure 3, to allow a more efficient
usage of multiple HLRs, SMSCs and voicemail/
unified messaging systems.
With ALR routing, the Alcatel 5070 SSG ANSI
locates and routes customer service queries
to the proper network node, facilitating
> 6 ALCATEL
Gateway Screening
helps preserve
network integrity
by preventing
unauthorized
access.
5070 SSG
MSC Multiple
Alcatel SMSCs
Multiple Alcatel SCP/
HLR Databases
Subscriber
ALR
Databases
Figure 3 - ALR Routing