Panasonic KX-TD500 - Manual (Page 79)

System
Programming Guide 79
2.5 System Timer
2.5.1 System Timer 1/2
Used to assign various system timers.
Parameter Hold Recall Time
Default 60 s
Value Range 0-240 s
Description/Function Specifies the length of time in seconds that the system is to wait
before alerting the extension user who held the call by Held Call
Reminder ringing.
The reminder tone is emitted every 5 seconds until the held call is
retrieved, or until the caller hangs up.
Note
• If "0" is specified, Hold Recall does not occur.
Reference • 1.13 Audible Tone Features (F/G)
– Hold Recall