Conversation Method - Aiphone AI-900 Operating Instructions Manual

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2.4. Conversation Method

There are three different conversation methods possible when the master station is used. The conversation
method is determined by the other party's station type and handset use.
(1) Voice-operated switching conversation ("VOX" in
the table below)
When both parties are talking coincidentally, the
master station's (telephone's) party voice is
transmitted to the substation. If the master station's
party stops talking, the substation's party voice can be
heard at the master station.
(2) "Press-to-talk" control conversation ("PTT" in the
table below)
The [PTT] key is pressed to talk, and released to
listen.
(3) Duplex conversation
Similar to the method of a standard telephone.
The following table shows the conversation modes for all of the various station combinations.
Quick reference of conversation methods
Substation
Master station Handset off-hook
Handset on-hook
Telephone
VOX: Voice-operated switching conversation
PTT: "Press-to-talk" control conversation
Duplex: Simultaneous conversation
CHAPTER 2. BASIC OPERATION OF MASTER STATION
PTT
Substation Master Station
Off-hook
– VOX/PTT
Duplex
One-way conversation
One-way conversation
One-way conversation
Simultaneous conversation
Telephone
On-hook
PTT VOX
Duplex Duplex
PTT VOX
Duplex
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