Ebbot Lundberg & Augustifamiljen - Telephone Line (Live På Spåret 2010) 

I think its just an artistic improvisation of the end of the same song

@@andreasmelin5502 Oh, do you know what's he saying? Sorry, I don't speak Swedish

Sure thing, he sings: "I need to go I need to go Speak closer to the telephone Next to your mooooooooouuuuuuth" They are performing at a game show and I think that the end might be clue of some kind for the participants. The singer is mostly known as the frontman for a band called The Soundtrack Of Our Lives

@@andreasmelin5502 Ohh, now it makes total sense, thanks!