Interstandard, or cross-technology, roaming refers to roaming capabilities between two networks regardless of technology and standards. From business and user satisfaction points of view, interstandard roaming capabilities are required to further expand roaming services. The incompatibility in standards makes it difficult to enable roaming between networks. For example, second-generation networks are predominantly based on the […]
International roaming allows a subscriber to access services virtually anywhere in the world. The visited network obviously needs to charge foreign subscribers for access time, transport and services. As the visited network is not in position to directly bill the roamers, it invoices their home network for the services usage. The home network then charge […]