In universal personal telecommunications service, that portion (or portions) of the UPT number that identifies a call as a UPT call.

In universal personal telecommunications service, the number that uniquely identifies a UPT user and that is used to place a call to, or to forward a call to, that user.
Note: A user may have multiple UPT numbers, e.g., a business UPT number for business calls and a private UPT number for private calls. In the case of multiple numbers,… (Read More →)

In universal personal telecommunications service, the number used by the network to direct a call according to the user's UPT service profile.

In universal personal telecommunications service, a record that contains all information related to a UPT user, which information is required to provide that user with UPT service such as subscriptions to basic and supplementing services and call-routing preferences.
Note: Each UPT service profile is associated with a single UPT number. Synonym service profile.

In universal personal telecommunications service, authorized access to and manipulation of the UPT service profile.
Note: UPT service profile management can be performed by the UPT user, by the UPT customer (subscriber), or by the UPT service provider. Synonym service profile management.

In universal personal telecommunications service, a person who (or entity that) obtains a UPT service from a UPT service provider on behalf of one or more UPT users.

In universal personal telecommunications service, a person who (or entity that) has access to universal personal telecommunications (UPT) services and who has been assigned a UPT number.

A specific set of universal personal telecommunications service users.

The time during which a functional unit is fully operational.

Uniform Resource Identifier