| UNCPC 說明 |
7521 Public telephone services
75211 Public local telephone services
Switching and transmission services necessary to establish and maintain communications within a local calling area. This service is primarily designed (used) to establish voice communications, but may serve other applications such as text communication (facsimile or teletex) and is generally provided for a flat monthly fee independently of the number of calls made by the subscriber.
Exclusions: Private line services and rental services of terminal equipment are classified in class 7522 (Business network services) and 7541 (Equipment rental services), respectively.
75212 Public long distance telephone services
Switching and transmission services necessary to establish and maintain communications between local calling areas. This service is primarily designed (used) to establish voice communications, but may serve other applications such as text communication (facsimile or teletex) and may be provided on a toll or flat rate basis. This service provides the customer with access to the supplier's and connecting carrier's entire telephone network or, in some instances, to a limited number of exchange areas (WATS service).
7529 Other telecommunications services
75291 Paging services
The summoning of a person to the telephone through the use of an electronic pager. This subclass includes tone, voice and digital display paging services.
75292 Teleconferencing services
Network and related services necessary to hold a one-way or two-way fully interactive video conference.
75299 Other telecommunications services n.e.c.
Telecommunications services, not elsewhere classified. This class includes mobile maritime and air-to-ground communications services. |