Panasonic KX-TD500 User Manual page 208

Station Features and Operation (PT/SLT)
2.4 Class of Service (COS), "Automatic Hold" in the Programming Guide>. However, it
cannot be performed when there is another call on Consultation Hold.
• DSS Button
DSS buttons are provided on a DSS Console by default.
A flexible CO/DSS button can be assigned as a DSS button by Station, User or System
Programming.
• Ringing Pattern
A call transferred to an extension will ring following the regular ringing pattern depending
on the type of call (intercom, outside) being transferred.
[Screened, Unscreened – to CO/TIE Line]
• Class of Service
Class of Service programming determines the extension that can perform this feature
<Section 2.4 Class of Service (COS), "Transfer to CO" in the Programming Guide>.
• CO-to-CO call
If a CO call is transferred to an outside party, "CO-to-CO call" is established and the
duration is restricted by System Programming <Section 2.5 System Timer, "CO-to-CO Line
Call Duration Time" in the Programming Guide>.
Hold Recall tone:
Hold Recall tone is generated to the extension user who transferred the call 50 seconds
before the time-out.
Hold Alarm tone:
Hold Alarm tone is generated to both outside parties 15 seconds before the time-out. The
call is disconnected at the time-out unless the extension user (who transferred the call) joins
the CO-to-CO call to establish a 3-party conference call.
• CO-to-TIE call
If a CO call is transferred to the destination party via TIE line, a CO-to-TIE call is
established and the call duration is restricted by System Programming <Section 2.5 System
Timer, "CO-to-CO Line Call Duration Time" in the Programming Guide>.
•
If you want to join the conversation after transferring the call or while hold recall tone is
sent, press the corresponding CO button. A 3-party conference call is established.
208 User Manual