In other countries white box can be referred to a Portable DTMFtone-dial keypad with speaker which was used to access an answering machine to hear your messages when you were away from home and also could be used on PBX phone systems that required tone dialing & used to generate tones if the telephone is rotary-dial or its keypad is locked.
Automated: an Interactive Voice Response (IVR) application is employed to convert spoken or keyed Dual Tone Multi Frequency (DTMF) data into a request for connecting to an interpreter in a specific language (identified by unique language-codes).