WHO SHOULD USE HLR LOOKUP?
We helps different types of customer achieve significant cost savings, save time and overcome issues relating to the status and identity of a mobile number / subscriber.

=> Marketers - clean up those lists or database of mobile numbers - filter out invalid numbers.
=> Application providers and developers . send relevant information to mobile users based on location
=> Organisation wanting to deliver secure services . validate the identity of the mobile user
=> Operators, aggregators and service providers - avoid paying high / unexpected interworking fees, route via the least cost provider and keep your customers happy by ensuring messages get delivered.

Introduction

The HLR Lookup system enables querying of mobile numbers for existence and status check.
Knowing the status of the mobile number allows to filter out the invalid mobile numbers from mobile number database which can save lot of costs.
The RouteSms HLR Lookup System offers clients multiple interfaces to facilitate submission of lookup queries to the HLR Server. These interfaces with the features that they offer are discussed below.

The overview of the HLR Lookup System is shown here in this diagram, it explains the overall architecture of   
the system. It also shows a sequential (through numbers) view of the internal communication between some of it's components. This helps to understand the logical path of a lookup query from initiation of the request to submission of the query response at the clients end.

Interfaces

Desktop Application & Web Interface:

=> Query up to 10 different MSISDNs from the desktop application using the Individual Numbers feature. The MSISDNs should be specified comma-separated in the number field of the application.
=> Upload a file containing MSISDNs to be queried, to the HLR Server where the file would be read and individual requests for each MSISDN made on behalf of the client.
=> View, Filter previously submitted lookups using the Previous Lookups and Lookup Filtration.
=> Export Previous Lookups into a CSV file (Web Interface only)

HTTP [POST] Interface:

=> Submit up to 100 MSISDNs in a single HLR Query using HTTP POST method (Each MSISDN will be charged individually)
=> The HTTP Interface allows you to embed the HLR Query submission into one of your custom application.

Features:

=> Allows to filter mobile number database. Provides a custom filtration tool that filters invalid (non-existent) numbers from your previous lookup history.
=> Provides Multiple Client Interfaces. Custom application integration through HTTP Interface.
=> Provides multiple options to receive query responses such as : Web Account, Email Account and HTTP POST method.

GOOD TO KNOW ABOUT ROUTOMESSAGING HLR SERVICE:

HLR leverages advanced hlr technology to perform an hlr lookup, which has sometimes been referred to as a phone lookup, cdma hlr, cdma vlr, hlr vlr, network lookup, address look up, reverse lookup, cell lookup, zip lookup, msidsn lookup, msc lookup or telephone lookup.
HLR LOOKUP