1- Incumbent Operator :
An established telecommunication network operator that operates all or most of public switched network infrastructure.
2- Fixed Telephony:
Telephony service offered to end users given access to a public switched telephone network through fixed telephone sets. However type approved limited mobility sets are permitted.
3- Fixed Network:
A public switched network infrastructure offering fixed telephony service as well as other telecommunication services to end users.
4- Data service provider:
A licensed telecommunication service provider entitled to operate and provide a data network giving end users access to a public switched data network.