As Mark Cavendish tries to win the BBC Sports Personality of the Year Award and ITV screens the final of X Factor, Manx Telecom is confident it can cope with the expected high call volumes on Sunday evening.
Engineers will be on duty as the company says it's unprecedented to have two such high profile phone votes happening at the same time.
The Manx Telecom network feeds into UK system which is gearing up for a very busy few hours.
Customers are advised to wait a few minutes and try again if greeted by an engaged tone.
A press statement finishes by saying "it goes without saying that we wish Mark Cavendish every success......"