Northern Telecom DMS P-Phone aka Electronic Business Set (EBS)

Technical Specifications/Descriptions

1. Electronic Business Service Network Access Interface Specification: Switched Network Compatibility and Performance Specification for Two Wire Connection to a Northern Telecom DMS-100 Family Switch, document NIS S106-1, November 1988.
    
2. Bell South document 503460-201: Northern Telecom Meridian Business Set General Description.