Digital Switching

The Digital Switching portfolio (D-Series) provides digital circuit switch TDM nodes for all classes of switching in the PSTN hierarchy. These proven solutions allow voice carriers or service providers to serve business and residential customers with advance voice from a Class 5 End Office via the DMS-100 and DMS-10. The DMS-100 Family also provides tandem offices for the switching and aggregation of voice traffic at a regional level via the DMS-200 Tandem Switch, a national Long Distance level via the DMS-250, and an international level via the Global Services Platform (DMS-GSP).