Optimising the routing of voice calls, messaging, video and other data is easy with Voice Network Query. This service can identify the network of any given mobile phone number before routing, which is especially useful in Mobile Number Portability environments.
The Voice Network Query service provides a wide range of value-added network information before routing voice, messaging and/or data to mobile phones. The service identifies invalid, ported or unused numbers, reducing the ongoing cost associated with routing voice calls to these numbers. The service provides the following information for customers:

Improve quality of voice and data routing
Voice Network Query provides real-time network information and can therefore enable customers to route voice and data traffic to the right network. By knowing this network information in advance, customers can avoid incorrect routing due to MNP technical issues, thus enhancing quality and speed.
Room for cost reduction
Voice Network Query has the potential to reduce the cost related to voice and data traffic routed to non-existent, inactive or ported numbers.
Avoid extra costs for voice call transfer
Voice Network Query helps alternative carriers such as VOIP providers to avoid the extra costs associated with the transfer of a voice call between operators in an indirect routing environment (without a centralised MNP database), such as in the UK.
Voice Network Query identifies invalid, ported or unused numbers before routing voice calls, messaging and mobile data
Improve the quality of voice and data routing
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