Panasonic KX-TVA50 Installation Manual page 105

d.
Click Apply to save the changed data.
3.
Program the PBX so that it will direct overflowed calls to the ICD group's mailbox.
a.
Go to the Groups-VM(DPT) Group-System Setting screen.
b.
Set Intercept to Mailbox to Enable.
Document Version 3.0 2010/06
4.2 KX-TDE, KX-TDA, and KX-TAW Series PBX Programming for DPT Integration
Installation Manual 105