Why HLR Lookup is not a viable method for enabling your SMS and voice routing decisions

In the past, Home Location Register Lookup (HLR Lookup) was the go to service to resolve number portability, here are five reasons why this is no longer the case.

1. Coverage varies by country and operator

It is impossible to find a single HLR Lookup supplier that will provide global coverage for all operators in every country.

2. Blocking and filtering measures designed to protect SS7 signaling are increasing

Over a third of global mobile operators are introducing SS7 and SMS firewalls to protect their subscribers, networks and Business Messaging/Application to Person (A2P) revenue streams.

3. Large variability in service quality and response formats from suppliers

You need one service interface that is easily understandable regardless of the country, operator, or number status.

4. Slow speed can limit your message throughput

Terminating millions of messages means that your routing solution needs to work in real-time. HLR Lookup usually takes well over 100ms, versus alternative solutions which are 10-100 times faster.

5. Routing logic complicated by the need to deal with variability

It is hard enough making optimal routing decisions without also having to make additional number information query source decisions based on the operator and country, which you may need to go back and analyse.

XConnect’s Number Portability Lookup Service solve the issues associated with HLR Lookup.
1. Global Coverage

Number Portability Query (NPQ) service empowers enterprises and service providers with one single source of global operator information.

2. Sourcing

XConnect combines trusted information from hundreds of disparate global datasets including: Numbering Administrations, Regulators, Industry Groups, Carriers, and Operators.

3. Cleansing & Normalise

XConnect cleanses the data by deleting inaccurate record, identifying incomplete or irrelevant data, and analyses if data needs to be completed, replaced, modified or deleted. Then, XConnect normalizes the data in a consistent data organization structure to maintain accuracy, scalability, and read performance.

4. Latency

Powered by multiple datacentres and cloud-based query servers, XConnect’s distributed architecture enables secure and resilient access to global numbering information, with blindingly fast response times.

5. Optimal Routing

XConnect enables communication providers to achieve optimal routing for SMS, RCS, Voice and LTE, thus increasing margins and reliability as well as supporting the management of cost/quality mix.

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