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2.3
Making Calls
Intercom Calling
Allows you to make a call to another extension within the system.
All extensions have a fixed extension number as follows:
Standard Connection
SLT/PT extension number: 21 through 28 (25 through 28 are available only for a SLT)
ISDN extension number:
XDP* Connection
DPT extension number:
SLT extension number:
*A XDP (EXtra Device Port) expands the number of telephones available in the system by allowing an extension
port to contain two telephones. Refer to System Management.
• You can alternate the calling mode, ring or voice, by pressing " ", or the "Tone (S2)" or
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"Voice (S3)" button under the display (KX-T7230/T7235/T7433/T7436) after dialling.
You can also select the way to receive intercom calls (Intercom Alert Assignment). Refer
to "Customising Your Telephone Functions" in Initial Settings (Section 2.2).
• If your telephone has a display, you can enter and confirm the required numbers before
going off-hook. You can erase a number by pressing " ."
• If you want to dial and talk to the other party without lifting the handset, press the
SP-PHONE button. To switch from the handsfree to handset mode, lift the handset.
• Proprietary telephone users can make an intercom call simply by pressing the DSS (Direct
Station Selection) button, if assigned.
• With the KX-T7235, KX-T7433 and KX-T7436, you can make an intercom call with the
display operation.
• An INTERCOM button provides the line status condition by the lighting pattern and
colour indication. Refer to the "LED Indication" (Section 5).
• You may hear a special tone after dialling. In this case, refer to the "Tones / Ring Tones"
(Section 5).
• Initial Settings (Section 2.2)
Customising the Buttons on Your Telephone
• Display Operation (Section 2.7)
Display Operation – Extension
• System Management (Section 3.1)
EXtra Device Port (XDP)
2-12
Operations
301 through 308 (300 for all ISDN extensions)
21 through 24
31 through 34
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