I'm having a phone interview in a little bit and I'm unsure:

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> Does the company call me in a Skype interview or should I call them? Is there a convention in that sense?
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Unfortunately, no agreement was made, and it was more like "We'll speak then". 
(It's for an internship and a relatively relaxed matter). Since Skype is free either way, it is more like a matter of 'Do I seem uninterested if I don't call them'?