RCA 28300 - Manual (Page 31)

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Handset Speaker Phone
Press the (speaker) button to activate or deactive the handset speaker.
Key Lock
To lock/unlock the handset keypad press and hold the (#/PAUSE/lock) button for
seconds.
NOTE: Incoming calls can still be received and the alarm can be
turned off by press any key.
NOTE: Only
(#/PAUSE/lock) and END CALL button are functional
when keypad is locked.
Call Transfer/Forwarding
(applicable only with additional handsets)
If the telephone is connected to a PBX network, it is possible to put a landline call or
Skype call on hold and call other subscribers, or forward calls to another handset.
1. Press the INT button to hold the external call and initiate an internal call.
. Use the 6 or 5 button to scroll through the registered handsets,
3. Press the (landline) or
(Skype) or (speaker) button to select the desired
handset.
4. Press the END CALL button to transfer the external call to the handset before or
after it answers the call.
NOTE: There must be more than two handsets registered to the
base for the call transfer/forwarding feature to work.
NOTE: If the internal call is not answered in 30 seconds after the
call transfer, it will call back the originating handset.