Panasonic KX-TD816AL User Manual page 241

5.2 SLT Features
Conditions
• You can return to the original party before the third party answers by pressing the Register
Recall button.
• Up to six conference calls are allowed simultaneously.
• When a two-party call is changed to a three-party call and vice versa, a confirmation tone is
sent to all three parties. Eliminating the tone is programmable.
Programming References
• System Programming — Installation Manual
[990] System Additional Information, Field (13)
C
5-33
SLT Features