Sound design alert: pleasant electronic melodious alert
Sound design alert: High-pitched, digital alert with echo.
Sound design alert: high-pitched musical alert with delay
4X mobile phone ring, as heard through speaker of car kit/hands free kit.
Heavy chain, padlock pulled through metal gate, unlocked. Keys rattle, footsteps, locked again, chain rattle
Mobile phone ring X2, Bird-like
Metal prison door or gate beeped opened with creak.
2X mobile phone out of hands-free car cradle
Sound design alert: melodious trill with delay
Several different mobile phone key tones