Panasonic KX-TD816 - Page 228

Station Features and Operation (DPT/SLT)
228 User Manual
Conditions
• Making an OHCA call is not available if the other extension is in Off-Hook Monitor mode.
• This feature is only available during a conversation with the handset.
Programming Guide References
[148] Off-Hook Monitor
User Manual References
4.3.51 Hands-free Operation [PT only]