h1. HLR dipping

On the basis of *Smartswitch* you can provide [[HLR information]] dipping service to your customers.
In this case *Smartswitch* will act as *HLR server* for them.
To fulfill queries from customers *Smartswitch* can:

* perform lookup in local [[HLR cache]].
* query other HLR providers

You can connect to several HLR providers and perform [[HLR information]] dipping basing on least cost.
In this case *Smartswitch* will act as *HLR client*.
In this mode *Smartswitch* could be used for:

* for [[Messaging]] service
* for opaque routing of HLR queries from your customers to your providers (providing a paid information service of HLR dipping)

See also:

* [[HLR information]]
* [[HLR billing|Billing]]
* [[HLR technologies|Techologies]]
* [[HLR routing|Routing]]
* [[Number portability]]
* [[HLR cache]]
* [[Solutions for HLR service]]
* [[Transformation of E.164 number to MCC-MNC code]]

[[HLR запрос|Русский перевод]]