Digital Circuit Multiplication Equipment (DCME) allows a high degree of utilization of digital circuits in Public Switched Telephone Networks (PSTN) and Integrated Services Digital Networks (ISDN) providing integration of traffic containing voice, Voice Band Data (VBD) and the facsimile portion of Voice Band Data (VBD) traffic.
Dimensioning method for DCME system, described in this Recommendation, deals with a group of trunks (circuit group, as defined in Recommendation E.600) between two switches, where DCMEs are used to achieve a statistical multiplexing gain.
This Recommendation also describes the GOS parameters that play a part in the DCME gain calculation.
This Recommendation deals with a point-to-point DCME single clique operation configuration. Dimensioning of complex multiclique/multidestination types of DCME systems is for further study.