Vision System Manual
101
Matrix
Caller dials DOSA activated trunk. System senses the incoming
ring and answers the call after DOSA/DID answer wait timer
system greets the caller or given music to the
caller for time = DOSA\DID music timer
The system gives dial tone for time = dial tone timer. The system
waits for the caller to dial 1-station number-user passowrd.
(The
caller should dial in tone mode only)
re the
station number and the
password correctly dialled /
timeout?
The system gives error tone for time =
error tone timer. The system waits for
correct extension number and password.
X
The system gives DOSA dial tone(short beeps) for time =
DOSA Beeps timer. These short beeps indicates
successful log-in. The system waits for the caller to grab
a trunk during these beeps by dialling 0 or 5 or 61 or 62
or codes for Abbreviated dialin
800-899
The system allots the trunk, if free to the caller and
waits for the caller to dial the telephone numbe
Is the
called party
busy ?
Caller gets RBT. Speech is established when the
called party answers. If the called party does not
answer the call then the call gets disconnected after
time = DOSA inactivity timer + DOSA warn timer
Caller gets busy tone. Caller should dial #0 to
disconnect. Caller gets DOSA dial tone.
B
No
Yes
YesNo
X
Y
Timeout
The sysem transfers the call
to landing destination of the
trunk
End
Z