Slydial

Slydial

(ˈslaɪdaɪəl)
n
a telephone service that enables the caller to ring a person’s telephone number and leave a voice message on their answering machine but which eliminates the possibility of the caller having to have an unwanted conversation with that person
References in periodicals archive ?
Slydial is especially useful if one does not want to bother someone who is, for example, driving a car, attending a meeting or sleeping in bed.
The expanding list of premier mobile apps currently available for download includes: Vlingo, Voice on the Go, HulloMail, slydial Voice Messaging, MotionApps, SlackerRadio, MyCaption, d2u Transcriber, mVoice Productivity, VoiceBox Dialer with Bluetooth and Traffic, Jabra Skipping Stone, Voicebox Technologies, Inc.
The very antithesis of something like Slydial is, without a doubt, the all-consuming BlackBerry (BB).
or actually don't, yet, because unfortunately Slydial is currently only available in America.