Answer:
This is an example of the status quo bias.
Step-by-step explanation:
Status quo is understood as the existing way of something, mostly social, for example. The status quo bias is understood, then, as the preference an individual has of having things remain the same as they have been, without making much change.
In this case, people already have their services such as cable, internet or cell phone providers. They do not consider the telemarketer's offers because they do not want to make the decision to change, thus succumbing to the status quo bias of wanting things to remain the same.