Hackett, himself a former top-flight official, has also criticised Chelsea players for questioning referee Graham Poll's integrity at White Hart Lane, with England duo Ashley Cole and Frank Lampard set to be questioned by the Football Association (FA) over Sunday's events.

Poll will also be spoken to by the FA, as will the two linesmen and the fourth official, who were able to hear what was said on the pitch as the referee was wearing a microphone to which they were all linked.

"We are communicating with the four match officials as well as Chelsea and Ashley Cole and Frank Lampard individually regarding the claims made," an FA spokesman said Wednesday.

"The priority at this stage is to gather information.''

Hackett, meanwhile, will meet Mourinho. The head of the Professional Game Match Officials Board also believes testimony from the other match-day officials who had access to the radio link will prove Poll did not deliberately target Chelsea as has been suggested by the Blues' Portuguese manager.

"Mr Mourinho is a world-class, top manager and I will be privileged to speak to him and I am pleased he wants to do that with me," Hackett said.

"It shows he cares and wants to understand. We have already been in touch since Sunday and I will meet him again at the club's training ground if necessary to run through a number of issues regarding referees.

"What we are talking about is the integrity of one of my referees and I want to assure the public that I have some doubt - without trying to prejudice the case - about what is claimed to have been said," Hackett also told Sky Sports.

"We now wire our referees up so we have Graham operating with an open mic and the two assistant referees and the fourth official can actually listen in to what is said during the game.

"That level of conversation was listened to by three other people and it will be interesting to see how that proceeds."

Meanwhile Mourinho said: "I am happy to hear Mr Hackett is prepared to meet and I will meet with him when he wants.

"I have confidence that he is a football man and he respects the views of other football people," the Portuguese added.

"Cole was angered by Poll's performance at White Hart Lane, and the full-back was one of six Chelsea players shown a yellow card during the match, with Blues and England captain John Terry collecting two of them.

Terry claimed Poll offered two different explanations for his second booking but Hackett said: "All the referee has to do in terms of the player is ask what the player's name is and then issue a card, he doesn't have to explain why that player has been sent off."

Defeat, their second in the league this season, left second-placed Chelsea three points behind Premiership leaders Manchester United.

Mourinho's men are at home to Premiership rivals Aston Villa in the fourth round of the League Cup on Wednesday before welcoming top-flight newboys Watford to Stamford Bridge for a league match this Saturday.