Panasonic KX-TD816 Programming Manual page 252

2.7 Extension Programming
• For an explanation of jack numbering, see "Rotation of jack number" in Section
1.3 Programming Methods.
• To assign all jacks to one selection, press the
the contents programmed for Jack 01.
• Two doorphones can be installed. For the KX-TD1232, doorphones 1 and 2 are installed in
the Master System, 3 and 4 in the Slave, if available.
• You can enter up to two (for KX-TD816) or four (for KX-TD1232) doorphone numbers for
each extension.
Features Guide References
Door Opener
Doorphone Call
Day / Night Service
252
key in step 3. In this case, the display shows
General Programming