Clear-Com HX System Frames - Manual (Page 46)

Comfort tones
Comfort tones are external tone sources which can be used to indicate the status of the
trunk lines between matrices.
The port that the source is connected to is specified in the Redirect Port field. You can
also specify the label that is displayed on the matrix.
The system states that can trigger a comfort tone are:
• No Trunk (a requested trunk line is unavailable).
• System Down (requested destination system is unavailable).
• Trunk Clear (requested trunk line is available).
Whenever one of these conditions occurs, the appropriate tone is routed from the specified
port to the panel that issued the request.
The label displayed on the Reply key changes to the specified comfort tone label.
ISO and IFB
Use the ISO and IFB tab to define how ISO and IFB operations are implemented on the
Eclipse HX v7.5 system.
Figure 3-15 ISO and IFB tab
If none of the checkboxes are selected, then the default ISO behaviour is that when a path
between the source panel and an ISO destination becomes active, then any other listen
paths at the ISO destination also remain active. This enables the ISO destination to hear
both the caller and the other listens during the ISO conversation.
This default behaviour is shown in the example in Figure 3-13 , where the Source panel is
calling CAM-3.
Note: For information about the default IFB behaviour when none of the checkboxes are
selected, see IFB Interrupts other talks from Source Station below.
Figure 3-16 ISO Default Operation
46 Eclipse EHX Software User Guide