High Quality Content by WIKIPEDIA articles! Vocaltone is the first Digital Phone Service to offer SMS services from home phones. Usually SMS services are available only for Mobile phone users. Radius billing technology has been used to bill SMS services. This service provider has redefined the VoIP terminology as Digital phones. A number of enhancements have been added to the technology. One such is, if the subscriber changes to another number, people who call the old number are notified of the change. This service has been offered by some traditional telephone service providers but have not heard with VoIP provider

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