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Telephone operation
SIP contemporary cordless 2-line - S2420/CTM-S2421
Using the cordless handset and the telephone base
The cordless handset and the telephone base cannot be used on the same call. However, calls can be switched between the
cordless handset and the telephone base speakerphone.
When the cordless handset or the telephone base is in use, the corresponding line keys on the cordless handset and the telephone
base illuminate.
Receive a call
When there is an incoming call, the telephone rings. The corresponding line key and the MESSAGE WAITING LED on the
telephone base flash, and the corresponding line key on the cordless handset flashes.
To answer a call using the cordless handset while it is not on the telephone base, charging base or charging stand:
On the cordless handset, press the flashing line key for the ringing line, or
the ringing line. The respective line key illuminates when the phone line in use. The
speakerphone mode.
To answer a call using the cordless handset while it is resting on the telephone base, charging base or charging stand:
Pick up the cordless handset from the telephone base. It automatically connects to the ringing line. The respective line key
illuminates when the phone line is in use.
To answer a call using the telephone base:
On the telephone base, press the flashing line key, or
when the phone line is in use. The
Place a call
To place a call using the cordless handset:
On the cordless handset, press LINE 1, LINE 2 or
respective line key illuminates when the phone line is in use. The
To place a call using the telephone base:
On the telephone base, press LINE 1, LINE 2 or
a Speed Dial key to dial a programmed number. The line key illuminates when the phone line is in use. The
illuminates when in speakerphone mode.
End a call
To end a call when using the cordless handset:
Press OFF on the cordless handset or place it in the telephone base, charging base or charging stand. The call ends when all
handsets hang up.
To end a call when using the telephone base:
Press
/SPEAKER or the respective line key on the telephone base.
Switch a call between the cordless handset and the telephone base speakerphone
•
To switch a call from the cordless handset to the telephone base speakerphone, press the respective line key or
on the telephone base.
•
To switch a call from the telephone base speakerphone to the cordless handset which is not on the telephone base cradle, press
the respective line key or
•
To switch a call from the telephone base speakerphone to the cordless handset which is cradled on the telephone base, lift the
cordless handset from the telephone base.
Share a call
During a call on line 1 or line 2, press the respective line key or
Handset speakerphone
During a call on the handset, press
earpiece mode.
Speakerphone
When the telephone is idle, press
starting with line 1.
/SPEAKER to pick up the ringing line. The respective line key illuminates
/SPEAKER key illuminates when in speakerphone mode.
/SPEAKER. Listen for a dial tone and then dial the desired number. The
/SPEAKER. Listen for a dial tone and then dial the desired number, or press
/SPEAKER on the cordless handset.
/SPEAKER on the cordless handset to switch between speakerphone mode and handset
/SPEAKER on the cordless handset or the telephone base. The first available line is selected,
/SPEAKER. It automatically connects to
press
/SPEAKER key illuminates when in
/SPEAKER key illuminates when in speakerphone mode.
/SPEAKER.
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/SPEAKER key
/SPEAKER
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