SMS menu, so confused, displaying calls (9)

I believe the answer is:

summonses

'calls' is the definition.
(summonsing is a kind of calling)

'sms menu so confused' is the wordplay.
'confused' indicates an anagram.
'sms'+'menu'+'so'='smsmenuso'
'smsmenuso' is an anagram of 'SUMMONSES'.

'displaying' is the link.

(Another definition for summonses that I've seen is " Court orders to appear".)

I've seen this clue in The Times.

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