Recover from awkward phone call with crush?

My crush from work phoned me so we could work on this report we both have to submit. I've never been really good talking on the phone though and I was a bit quiet. Like there was a few awkward silences.

What is the best way to recover from this? Should I say something like "sorry if i seemed quiet i was just concentrating really hard" or something?

Recover from awkward phone call with crush?
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