Futurists have long been prophesying a Great Integration,when all forms of communications would be defined by a single format,handled by the same equipment and possibly even billed for by the same company.

• 未来学者早已预言，当所有形式的通信由单一格式定义，并由同一设备处理，甚至可能由同一家公司结算之时，就实现了大集成。