1.1 Before Operating the Telephones1.1.1 Before Operating the TelephonesWhat Kind of Telephone Can Be Used?You can use the following types of telephone with this PBX:• Panasonic IP Proprietary Telephone (IP-PT)(e.g., KX-NT346 or KX-NT366)• SIP Extension(SIP Hardphone/SIP Softphone)• Panasonic Proprietary Telephone (PT)(e.g., KX-T7636 or KX-DT346)• Panasonic Portable Station (PS)(e.g., KX-TCA255 or KX-TD7690)• Single Line Telephone (SLT)(e.g., rotary pulse telephone)Which features are available depend on the type of telephone being used. If you are using a Panasonicproprietary telephone with a special feature button such asREDIAL or a display (Display PT) or both, you canfollow the operation with the button or display messages for easy programming. If you use a large displaytelephone (e.g., KX-NT346 or KX-T7636), you can follow the displayed messages to use the features. If yourtelephone does not have feature buttons and/or a display, you may operate the PBX by entering a featurenumber instead. Follow the operation for your type of telephone. If you use a Console, you can use the buttonson the Console as the buttons on the connected proprietary telephone.• If you use a Panasonic proprietarytelephone which does not havefeature buttons, you may changeone of the unused flexible buttonsto a feature button. Refer to"3.1.3 Customising the Buttons".Registration for your Portable Station (PS)/SIP ExtensionYour PS/SIP Extension must be registered with the PBX and assigned an extension number before initial use,through system programming. To confirm the extension number of your PS, refer to "Your extensioninformation" in "3.1.2 Settings on the Programming Mode". For SIP Extension users, follow the instructionsfor your SIP Extension.Feature NumbersTo use certain features, you need to enter specified feature numbers (and an additional parameter, if required).There are two types of feature numbers as follows:• Flexible feature number• Fixed feature numberFixed feature numbers cannot be changed. However, you can change the flexible numbers to other numbersfor easier use. In this manual, the default numbers (factory installed) are used for operations.A flexible number is shown as (half-shaded key). Use the new programmed number if you have changedthe feature number. Write the new number in "4.2.1 Feature Number Table" (Appendix).16 User Manual1.1.1 Before Operating the Telephones