Gus Poyet has accused Brighton of showing him a lack of respect and is seeking legal advice on claims of unfair dismissal.
The Uruguayan boss was suspended and later dismissed in June, while he was on the BBC as a pundit for a match during the Confederations Cup.
He claims he had no idea that the south coast club were going to sack him, which came after an internal disciplinary process.
He said: "It is difficult to say everything that I want to say, but to sack me while I was on television shows a complete lack of respect.
"I turned off my phone that night at 7:20pm and I could not have known what was about to happen because it was switched off.
"After everything I achieved at the club, working there since 2009, they should have told me face to face, that is the least they could have done.
"It shows a lack of respect. I didn't know that they were going to sack me, I had no idea.
"Now I will sit down with the LMA and my lawyers to decide whether to go to court in the next couple of days."
The 45-year-old had become within two games of taking Albion into the Premier League, as they were beaten in the semi-finals of the Championship play-offs by rivals Crystal Palace and he also guided them to promotion from League One in 2011.
But despite his achievement and being at the club since 2009, he was not allowed to speak to any of his players, something which Poyet also feels frustrated about.
"It was so difficult because I wanted to be able to speak to the players but I was prevented from doing that," added Poyet.
"I didn't even realise a football manager could be suspended but you learn something new every day.
"I also want to thank the fans. They were so supportive and recognised the progress we made in the past four years.
"Now the team plays with a certain style and it's nice to get recognition for that.
"I have been away in Italy, in Scotland and in Brighton for the past few months and Brighton fans have approached me to say thank-you and I appreciate that.
"The last two months have been so difficult because it has prevented me from working in a job I love."
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