Conditions[General]• Not all buttons are available for KX-UT-series SIP phones. For details about available flexible button types,see 11.1.1 KX-UT Series SIP Phones.[Self Labeling]• Up to 12 characters can be assigned to the LCD of each flexible button through personal/systemprogramming.® 12.1.4 PBX Configuration—[4-1-4] Extension—Wired Extension—Flexible Button— Label Name• When an incoming CO line call is answered or a CO line is seized, the corresponding CO button will turnGreen and the LCD display will switch to the page that the corresponding CO button is registered in.• It is not recommended to assign the System Alarm button when using this feature, because if an alarmoccurs when the System Alarm button is not on the visible page, the alarm will not be noticed.PC Programming Manual References10.3 PBX Configuration—[2-3] System—Timers & Counters—Miscellaneous— PT Display—PT Last DisplayDuration in Idle Mode12.1.4 PBX Configuration—[4-1-4] Extension—Wired Extension—Flexible Button12.1.4.1 PBX Configuration—[4-1-4] Extension—Wired Extension—Flexible Button—Flexible button data copy12.1.5 PBX Configuration—[4-1-5] Extension—Wired Extension—PF Button12.2.3 PBX Configuration—[4-2-3] Extension—Portable Station—Flexible ButtonOperating Manual References1.3.62 Self Labeling (KX-NT366/KX-NT553/KX-NT556/KX-NT560/KX-UT248/KX-UT670 only)3.1.4 Customizing the Buttons7.1.4 Flexible Numbering/Fixed NumberingDescriptionTo dial another extension user or to access PBX features, the access numbers (extension numbers or featurenumbers) are required.There are three types of numbering plans:1. Flexible Numbering (available while a dial tone is heard)2. Flexible Numbering (available while busy, DND, or ringback tone is heard)3. Fixed Numbering (available while dialing or talking)1. Flexible Numbering (available while a dial tone is heard)Extension numbers and feature numbers which are available while a dial tone is heard can be customizedfor easy use. The numbers must not conflict. It is also possible to use the default settings shown in thefollowing table.a. Extension Numbers: Extension numbers consist of leading numbers and additional numbers.Extension numbers (consisting of "0" through "9") can be assigned as follows:• Numbering schemes: 1–64• Leading number: up to three digits• Additional number: up to two digits (default: two digits)[Example]If the number "3" is programmed as a leading number for the 1st extension numbering scheme, and"XX" is programmed as the additional digits, extension numbers 300 through 399 are available.144 Feature Manual Document Version 2016-037.1.4 Flexible Numbering/Fixed Numbering
