HLR

What is Look-up Service?

Is a service wherein the client requests to search for information on a requested number in the central database that contains information of each mobile phone subscriber that is authorized to use the mobile core network. Look-up service is determined by IMSI (International Mobile Subscriber Identity). IMSI is a 15 digit (or shorter) unique number that is stored in the mobile SIM card. The IMSI holds the information of the mobile phone numbers.

Look-up Service Provides

  • Telecom Operator
  • Country
  • Mobile number availability
  • Mobile number portability
  • Mobile number roaming status

Look-up Service Advantages

  • Filter out virtual numbers, landline numbers, or any numbers that cannot receive SMS before SMS transmission.
  • Check the availability of the phone, portability, or the roaming status of the phone.

Service Flow

lookup_flow
  • 1. Client sends out number look-up request to SureM
  • 2. SureM receives the number request and forwards it to the service provider
  • 3. Service provider then receives the number request from SureM
  • 4. Service provider searches the number on the central database and receives the look-up result from central database
  • 5. Service provider sends the look-up result to SureM
  • 6. SureM simplifies the result to the client’s convenience and forwards it to the client
For more information on SureM Look-up service follow the link and get in touch with Support Team!
E-mail : sureminternational@gmail.com
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2 thoughts on “HLR

  1. Can I know if number was ported to another network?

    Like

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