Panasonic KX-TD816 User Manual page 110

Station Features and Operation (DPT/SLT)
Conditions
• If you do not answer the recall ringing within 10 seconds (four callback ring signals), this
feature will be automatically canceled.
• If the called party becomes busy again after the callback ringing starts, the ringing stops but
this feature will be executed again when the extension becomes free.
• With the KX-T7431, KX-T7433, KX-T7436 or KX-T7235, you can set and cancel this
feature using the display operation.
<ISDN Telephone>
• This feature is not available for ISDN telephones.
User Manual References
4.5.9 KX-T7235 Display Features - System Feature Access Menu
4.5.12 KX-T7431 / KX-T7433 / KX-T7436 Display Features - System Feature Access Menu
110 User Manual