To distinguish the ringing tones for each CO, ICD Group, PDN, SDN, or INTERCOM button
(Digital proprietary telephone only)
• * Available tone types vary depending on the telephone you are using:
– KX-NT300 series (except KX-NT321)/KX-NT136/KX-DT300 series (except KX-DT321)/
KX-T7600 series (except
KX-T7665): Tone types "01" to "30" (01–20: tone, 21–30: melody)
are available.
– KX-NT265/KX-NT321/KX-DT321/KX-T7665: Only tone types "01" to "08" are available.
It is possible to enter a tone type number from "09" to "30", but you will hear tone type "01".
– Other telephones: Only tone types "01" to "08" are available.
It is possible to enter a tone type number from "09" to "30", but you will hear tone type "02".
• Only one ringing tone can be selected for all PDN buttons on your extension.
To clear the button