Bemærk: Kan ikke leveres før jul.
Whether you're an IT professional, a telecom professional, an office administrator, or just starting out in the business world, this book provides you with an organized, easy-to-use introduction to business telecommunications systems and services
Bemærk: Kan ikke leveres før jul.
Covers the basics of telephone systems and services, which are presented in a way that the average non-technical businessperson can... Læs mere