The Digital Business Phone [Alpha] EX Hybrid system supported business telephones, cordless telephones, single-unit telephone sets, and ISDN terminals flexibly to suit the application form. The system could accommodate an external line to INS Net64 or INS Net1500 and bus wiring for the ISDN using extensions. It also had a variety of options as well as a rich set of functions such as three-party conference calling, call charge management, and information display. Remote-controlled maintenance services were available, enabling quick update of system data.

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