What Does Digital Dial Tone Mean?

A digital dial tone is a term used to impose the ubiquitous nature of telephone communication services onto the Internet and Web technologies. Dial tones are telephony signals that are sent by the telephone exchange to indicate the working condition of the service. The dial tone indicates the availability of services and is ubiquitous in telephone communication. In a similar way, a combination of Internet transport protocols and XML is used to provide the basic access to Internet services like search engines and social networking for free, while further access made on a paid basis.

Techopedia Explains Digital Dial Tone

A digital dial tone is not an actual dial tone, as digital cellular phones do not generate dial tones. A digital dial tone is a metaphorical term that is used to define a ubiquitous exchange of information over the Internet. It can be implemented with the help of XML and Internet transport protocols such as HTTP, SMTP and FTP.