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User Manual 85
If one digit is assigned as the leading digit, some extensions have two digits and some have
three digits. If two digits are assigned, some have three digits and some have four digits.
• Two extension numbers can be assigned per jack. If eXtra Device Port (XDP) is disabled
for the jack in program [600] "EXtra Device Port" the extension number of the second part
(XX-2) is not available. (XX=jack number)
• For an explanation of jack numbering, see "Rotation of jack number".
• A double entry or incompatible entry is invalid including the program [012] "ISDN
Extension Number Set", [118] "Voice Mail Extension Number Assignment", [124]
"Phantom Extension Number Assignment" and [813] "Floating Number Assignment".
Valid entry examples are: 10 and 11; 10 and 110. Invalid entry examples are: 10 and 106;
210 and 21.
• Program [004] "Extension Name Set" is used to name the extension numbers.
User Manual References
4.3.52 Intercom Calling
4.5.8 KX-T7235 Display Features - Call Directory
4.5.11 KX-T7431 / KX-T7433 / KX-T7436 Display Features - Call Directory