Because of this service providers now charge premium for the calls which are not originated in the EEA.
The charge is applied to the calls with CallerIDs not from EEA zones.
In MOR it is possible to filter such calls and send them to the few providers which does not apply such charges or just drop them.
New functionality allows to map CallerIDs from SIP from, rpid and pai fields to the known Whitelist of the correct CallerID formats and process the calls without the risk for overcharge.
Let’s see how: