Throughout this manual, phone displays and other displays are shown in English. Other languages
may be available, depending on the country or area.
In this manual, the suffix of each model number (e.g., KX-HTS824SX) is omitted unless necessary.
This PBX supports SIP (Session Initiation Protocol) phones. However, some PBX features may not be
available for SIP phones, depending on your telephone type.