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TIA-847-B:2004

TIA-847-B:2004

$29.25

TIA-41 Enhancements for Roamer Verification Database

Published By Publication Date Number of Pages
TIA 2004 46
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INTRODUCTION

This document presents a recommended plan for the implementation
of Roamer Database Verification (RDV) for use in the Wireless
Radiotelephone Service.

Several types of network entities (NE) can initiate RDV service
queries to verify the contents of databases relating to roaming in
other network entities.

RDV enables a home system to verify that a roaming partner's VLR
database is correctly loaded for the MSID number ranges that
"belong" to the home service provider. At the request of the HLR,
the VLR examines its roamer database to verify that subscribers
within the requested MSID range are allowed to roam in the visited
system.

RDV may also be used to verify other message routing databases
that may be used to support newer capabilities introduced in
IS-41-C or in subsequent intersystem standards, including
three message routing databases that may be maintained at an MSC
and two message routing databases that may be maintained at an
MC.

The message routing databases that may be maintained at an MSC
are:

• An MSID-based database used for indirectly routing an
MS-originated SMS message to the originating MS's MC.

• An MSID-based database used for routing an OriginationRequest
INVOKE or a FeatureRequest INVOKE to the appropriate HLR.

• An MDN-based database used for directly routing an
MS-originated SMS message to the destination's MC.

The message routing databases that may be maintained at an MC
are:

• An MDN-based database used for routing an SMSRequest INVOKE to
the MS's HLR.

• An MDN-based database that it uses in its role as originating
MC to route MSoriginated SMS messages to the destination's MC.

RDV provides a tool to assist in resolving problems experienced
by home system subscribers when roaming in the visited system as
well as other message routing database related problems.

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TIA-847-B:2004
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