Final answer:
The telephone technologies used by a service desk are influenced by factors such as advancements in technology, consumer choice, data transmission, and spin-off technologies.
Step-by-step explanation:
Four factors that influence the telephone technologies used by a service desk are:
- Improvements in technology: Advancements in technology such as microwave transmission, communications satellites, and wireless technologies have enabled service desks to use these methods for phone calls.
- Consumer choice: More options for telephone service providers have allowed service desks to choose from different technologies and providers, resulting in cheaper phone calls and better-quality service.
- Data transmission: The availability of cheaper, faster, and better-quality data transmission has affected the telephone technologies used by service desks, allowing for more efficient communication and data exchange.
- Spin-off technologies: The emergence of spin-off technologies like free Internet-based calling and video calling has influenced the telephone technologies used by service desks, providing alternative communication methods.