Vizio EXES-5000 CPU-55 - Manual (Page 14)

Priority
When the party called is on the line, as indicated by the
busy tone, dialing
transmits a priority tone to the called party. The same
tone is audible at the calling station. The call is connected
if the called party also responds by dialing
In this event, the original conversation partner of the party
called is temporarily placed on hold and the holding tone is
transmitted to his station.
Upon completion of the priority conversation, the party
who placed the priority conversation dials
at his station. This allows the interrupted conversation to
resume.
When the called party is already on the line, the party
calling, if he deems it necessary, can send a Priority signal
to the called party. After a response from the party called,
the urgent call is allowed to take priority and go through.
This function is available only for those stations specifically
programmed for this function, with programmed station
#200. When the station called is busy or in the Privacy
mode, as indicated by the busy or privacy tone, dialing
sends a priority tone. This priority tone is transmitted for a
few seconds and then the call is put through.
In this event, the original conversation partner of the party
called is put on hold and a holding tone is transmitted to
his station.
Upon completion of the priority conversation, the party
placing the priority call dials
at his station to allow the original conversation to resume.
When the called station is busy or in the "Privacy" mode,
this function allows forced interruption for priority conver-
sation.
Original Call
Priority
Busy Tone
Priority
Priority Call
Response
Holding Tone
Busy Tone
Original Call
Holding Tone
Priority Call
Priority
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