Father and uncle finally phone for VIP transport (10)

'vip transport' is the definition.
(transport for the Pope)

'father and uncle finally phone' is the wordplay.
'father' becomes 'pop' (pop is a kind of father).
'and' is a charade indicator (letters next to each other).
'finally' suggests the final letters.
'phone' becomes 'mobile' (mobile phone).
The final letter of 'uncle' is 'e'.
'pop'+'e'+'mobile'='POPEMOBILE'

'for' is the link.