1.1.5 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-NT300 series, KX-NT500 series)• Panasonic Digital Proprietary Telephone (DPT)(e.g., KX-T7600 series, KX-DT300 series)• Panasonic Analogue Proprietary Telephone (APT)(e.g., KX-T7700 series)• Panasonic Portable Station (PS)(e.g., KX-TCA364, KX-WT125)• SIP-CS compatible Portable Station (S-PS)(e.g., KX-UDT series)• SIP phone(e.g., KX-UT series SIP phones, Third party SIP phones)• 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 Panasonictelephone with a special feature button such as or a display or both, you can follow the operations usingthe buttons or displayed messages for easy programming. If you use a large display telephone (e.g.,KX-NT346 or KX-T7636), you can follow the displayed messages to use the features. If your telephone doesnot have feature buttons and/or a display, you may operate the PBX by entering a feature number instead.Follow the operation for your type of telephone.• If you use a Panasonic proprietarytelephone which does not have featurebuttons, you may change one of theunused flexible buttons to a featurebutton. Refer to "3.1.3 Customising theButtons".Registration for your Portable Station (PS)/SIP Phone/SIP-CS compatible Portable Station(S-PS)Your PS, SIP phone, or S-PS must be registered with the PBX and assigned an extension number before initialuse, 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 phone and S-PS users, follow theinstructions for your phone.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.User Manual 231.1.5 Before Operating the Telephones