What is the purpose of requesting an HLR number?

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Before sending any type of advertising mailing, it is important to analyze the customer base and clear it of “dead” numbers.

The contact database is updated and marketers send SMS only to active numbers. In this case, messages are not just sent, but delivered to those subscribers who will definitely read the message and perform the target action.

How does HLR check work?
In order for requests to enter the HLR system and to issue cyprus b2b leads information from it, a SIM card of a mobile device is used. Requests are sent to subscribers' mobile devices. But this happens confidentially: the provider company does not notify users, which means that the check does not disturb customers.

HLR search works according to the following scheme:

Specialized services request a search by numbers, combined into a database;
Requests are received by the HLR system via telecom operators;
At the output, the system provides information to the person who requested the data.
This principle of operation of HLR queries helps to solve complex problems in business processes:

Search for contacts in one go. The service cleans the number database and finds contacts of clients who can potentially become your buyers.
API integration. HLR software components automatically check and update data between clients and servers.