Wholesale: Products & Services

Digital Switched Service (DSS)

Course Description

This self-directed, web-based course provides you with knowledge of CenturyLink™ Digital Switched Service (DSS). You will learn how DSS works and about the options available.

Digital Switched Service is a digital interface that provides PBX users with switched access from the customers PBX to CenturyLink's central office. DSS is the service that rides on the DSS/DS1 digital facility between the customer site and the central office switch.

For information about creating and submitting a service request, please review the Wholesale ASR Private Line training.

Course Objectives

Upon completion of this training course, you will be able to:

  • Describe the function of DSS
  • Describe the three configurations for DSS
  • Configure sample DSS solutions
  • Identify hardware and software requirements
  • Describe how DSS integrates with other products



The target audience for the training is primarily CLECs and External Customers, but the training is available to anyone that would like an overview of the subject. We believe this training will assist you in gaining a better understanding of the product and processes, and will allow you to be more effective in working with the CenturyLink Sales and Service Team.

Course Length

This course takes approximately 3 hours to complete.

Course Registration