Optional Equipment - Ericsson businessphone 250 User Manual

Optional Equipment

Optional Equipment
This chapter describes optional features that can be used
together with your BusinessPhone telephone.
Conference unit
For conferences with many participants, the conference unit
enhances the speech quality. It provides full duplex and high
quality conversation possibilities.
Alarm interface unit
This plug-in module is fitted into the bottom of the telephone.
It makes it possible to transfer alarm signals from various devices
via the telephone to the exchange and to a pre-defined extension.
A special circuit layout provides maximum functional security.
To a telephone fitted with an alarm interface unit you can connect
devices such as bathroom alarms for hotel rooms, emergency
alarms for hospitals, bank security alarms and supervision of
machines.
BusinessPhone - Standard Telephone / Economyplus Telephone 67