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home subscriber server to maintain public service identities in a network, service entity that can be assigned to handle a service, routing entity to route an invocation of a service, and method to invoke a service identified through a service identity. public service in a network
home subscriber server to maintain public service identities in a network, service entity that can be assigned to handle a service, routing entity to route an invocation of a service, and method to invoke a service identified through a service identity. public service in a network
home subscriber server to maintain public service identities in a network, service entity that can be assigned to handle a service, routing entity to route an invocation of a service, and method to invoke a service identified through a service identity. public service in a network. The present invention is intended to provide a simplified mechanism for treating public service identities by identifying services in a network when a given public service identity (psi) belongs to a range of public service identities defined as so-called "psi" band. replacement". therefore, the present invention provides a new method, a new central entity in the network, and enhanced home subscriber server, service entity, routing entity, all cooperating to realize different embodiments for the invention by treating a band identifier. of the replacement psi, which includes that of the utility identity, the range of the replacement psi being associated with a common service profile to be applied to identified services problem those utility identities belonging to the "replacement psi" range "
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