One complaining sailor's lost time after telephone call (10)

I believe the answer is:

bellyacher

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'one complaining sailor's lost time after telephone' is the definition.
The answer is a person as well as being a singular noun. This is suggested by the definition.

'call' is the wordplay.
I cannot really see how this works, but
'call' could be 'bell' (bell can mean a phone call) and 'bell' is present in the answer.
This explanation may well be incorrect...

Can you help me to learn more?

I've seen this clue in The Times.

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