A call duration measurement unit expressed in seconds. Depending on your service provider, some services are measured and billed in sixty second increments (one minute) or the billing increment may be in durations of six or even ten seconds.
International Multimedia Teleconferencing Consortium, Inc. (IMTC) Home page of IMTC, a non-profit corporation dedicated to promoting and facilitating the development and implementation of interoperable multimedia teleconferencing solutions based on open international standards.
