RTE was left red-faced after a technical glitch meant callers were unable to contact Liveline.
Presenter Joe Duffy was forced to improvise with in-studio discussions and music after he was left to fill almost an hour of airtime when the phone lines went dead.
The radio veteran admitted he was feeling the pressure when the technical difficulty threw him in the deep end live on air.
"Who can hear me, who can hear me? I'm losing my nerve here," he said on air as he attempted to communicate with callers.
"It's a bit of a jinx. The phone lines have gone for some strange reason. There's about 50 people trying to fix it as we speak."
The broadcaster's RTE colleagues Philip Boucher-Hayes and Drivetime presenter Fergal Keane were drafted into studio to talk about current affairs, while Joe also played music from the Corrs and Van Morrison to pass the time.
The show ended 30 minutes early due to the issues, which last night RTE told the Herald it was still working to resolve.
"The problem is associated with our phone lines, we're working on fixing it and it will be back as soon as possible," a spokesperson for the national broadcaster said.
Speaking on his show after Liveline, Ray D'Arcy revealed there was panic in RTE as they failed to resolve the problem.
"There was heads of all sorts of things running around like headless chickens - the head of operations, the head of radio one, head of this and heads of that," he said.
"The great thing about Joe being the professional that he is, he sounded unflappable," he added.
It also appears the Joe wasn't alone as other shows seemd to have similar technical problems yesterday.
Morning show host John Murray told listeners his text machine was not working and asked people not to send in messages to the show.