System Option 3; Off-Hook Monitor - Panasonic KX-TD500 Programming Manual

System
Parameter
Default
Value Range
Description/Function
Reference

2.8.3 System Option 3

Used to assign system option parameters (No.21 — No.30).
100

20. Off-hook Monitor

Enable
1.
Enable
2.
Disable
Enables or disables "Off-hook Monitor" feature on a system-wide
basis. This feature allows a PT user on a handset call to let other
people around him monitor the call by pressing the SP-PHONE
button.
Note
• This setting applies to the following PT extensions only:
KX-T7431, KX-T7433, KX-T7436, KX-T7531, KX-T7533,
KX-T7536, KX-T7565.
• 1.12 Conversation Features (F/G)
– Off-Hook Monitor
• 2.4.8 Letting Other People Listen to the Conversation (Off-Hook
Monitor) [KX-T7531, KX-T7533, KX-T7536 and KX-T7565
only] (U/M)
Programming Guide