Heavens, just ring and be friendly! (7)

I believe the answer is:

cordial

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'be friendly' is the definition.
(similar in meaning)

'heavens just ring' is the wordplay.
'heavens just' becomes 'cor' (I am not sure about this - if you are sure you should give a lot more credence to this answer).
'ring' becomes 'dial' (as in dialling a phone).
'cor'+'dial'='CORDIAL'

'and' is the link.

Can you help me to learn more?

(Other definitions for cordial that I've seen before include "stimulating drink" , "Warm and friendly; drink" , "7 [HEARTY]" , "Agreeable - drink" , "Hearty - drink" .)

I've seen this clue in the Evening Standard.

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