Panasonic KX-TD500 User Manual page 184

Station Features and Operation (PT/SLT)
• Co-to-CO Line Call
If a call between two outside parties is established by this feature, the call duration is
determined by System Programming <Section 2.5 System Timer, "CO-to-CO Line Call
Duration Time" in the Programming Guide>.
An alarm tone is sent to both outside parties 15 seconds before the time-out. The call is
disconnected at the time-out.
• Trunk-to-Trunk Connection
Before utilizing this feature, "Trunk to Trunk Restriction" should be enabled by System
Programming.
• You can store the telephone number up to 24 digits. Valid digits are "0 through 9," " " and
PAUSE. PAUSE can also be stored by dialing "
• This feature does not apply to the unscreened transfer call.
Programming Guide References
• 2.3 Numbering Plan
– Call FWD - Do Not Disturb Set / Cancel
• 2.4 Class of Service (COS)
– Call FWD to CO / TIE
– Time Limit of Outside Calls
– Trunk Group Setting
– Call FWD Follow me
• 2.5 System Timer
– Call Forwarding - No Answer Time
– Extension-to-CO Line Call Duration Time
– CO-to-CO Line Call Duration Time
• 2.7 Trunk to Trunk Restriction
• 2.8 System Option
– Special dial tone after setting feature
– FWD / DND lamp pattern
• 4.3 Extension Line
– CO Key
– PF Key
– Call Forwarding - No Answer Time
• 4.4 DSS Console
– DSS Key
– PF Key
Features Guide References
1.3 System Features
• Limited Call Duration
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User Manual