'Le telephone rose' (= French for 'the pink telephone') is a very 1970-s French ...... comedy. Or whatever you may label it.
Anyway, lighthearted is the bottom line here - although it doesn't show at the surface. In this respect 'La telephone rose' surely makes a cleverly acted film. The more so, because its actors and actresses are hardly able to derive support from its thin plot - located in business-circles.
Yes, acting makes 'La telephone rose' to a fine film. High quality by all its participants throughout. Mireille Darc does not stand out, but nevertheless adds an extra touch by her radiating appearance.