Panasonic KX-TD1232E Installation Manual page 391

4.3 System Programming
ISDN DDI Ringing Assignment — Day / Night
Feature References
• When assigning ISDN extension numbers, the MSN additional number
can be added. The MSN must be up to 4 digits, consisting of an ISDN
extension number and an additional number (1 or 2 digits). The MSN
additional number digit can be selected in programs [427] "ISDN
Extension Multiple Subscriber Number" and [445] "TD286 ISDN
Extension Multiple Subscriber Number."
Section 3, Features,
Direct Dialling In (DDI)
Integrated Services Digital Network (ISDN)
151-152
(contd.)
System Programming 4-69.12