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What i am posting today for SMS aggregator is HLR service

This is a good way to increase successfully delivered rate!!!

Look-up Service (or HLR)

SureM offers information of each mobile phone subscriber.

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

• 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