provides services such as short numbers, VPN and Mobile prepaid. With CAMEL, the user
may access to her/his services from visited networks, the home network has roaming
agreements with.
The management of BSS/UTRAN is handled by OMC-R (OMC Radio). The management of
the MSCs is handled by OMC-S (Switching). OMC-R and OMC-S are supplied by telecom
vendors together with the equipement those OMCs have to manage.
A mobile service provider builds its OSS and BSS that interface with these OMCs