Toa VS-900 - Manual (Page 61)

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CHAPTER 3. CONVENIENT FUNCTIONS
24. EMERGENCY CONFERENCE
24.1. Function
To enable conferences among up to 4 parties in emergency situations, master stations or telephones can call
other registered master stations or telephones with a simple operation.
[System pre-programming]
To use this function, up to 3 master stations or telephones must be individually assigned to each master
station in the system programming.
24.2. Emergency Conference Dialing Operation
Step 1. Dial [#][#][#][#]. (The calling station becomes a conference originating station.)
Up to 3 registered master stations or telephones are then simultaneously called.
The called master stations are switched to handsfree voice reception mode after a brief calling tone
even if they do not answer.
Notes
(1) The called parties must lift the handset to talk. The [PTT] key cannot be used to talk.
(2) When telephones are called, a call tone continuously sounds until the conference is entered by
lifting the handset.
No. 90
No. 91
# # # #
No. 93 No. 92
Emergency conference initiation