When talking to people on the telephone there are situations when we need to interrupt the conversation to look something up or to ask someone near by. We can do this by saying:
"Einen Moment, bitte"
What do I say when coming back?
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Sign up to join this communityI usually say something like
"So, da bin ich wieder."
If it has to be a bit more formal, I'd say
"Hören Sie?"
to announce I'm back and at the same time make sure they're ready to continue.