Table D-1: X.21 Call Progress Signals And Q.931 Cause Codes - PictureTel Concorde 4500 Administrator's Manual

X.21 CALL PROGRESS MESSAGES
F Y I
Normal Messages
Extended Messages

Table D-1: X.21 Call Progress Signals and Q.931 Cause Codes

Message Text
Ringing.
D-2
You can conÞgure your system to display normal messages,
F.Y.I.
extended messages, or no messages. To set the message
type, choose
ConÞguration menu, available from the ConÞguration
menu.
Normal messages display basic information.
When you display normal messages, and a call successfully
connects, the text from the Þrst column of the following table
appears. When a call fails to connect, the message includes a
suggested user response, for example,
Extended messages provide more technical detail than normal
messages.
When you display extended messages, and a call successfully
connects, the heading and code from the second column of the
following table appear. When a call fails to connect, the message
appears along with the suggested response from the Þrst column.
X.21 Signal and Code
Terminal called (01)
The incoming call was
signaled to the Data
Terminal Equipment
(DTE) and call
acceptance is awaited.
Set Screen Message Display
Q.931 Cause and Code
n/a
from the Set General
Check number — dial again.