RCA H5450 User Manual

Your RCA 25450 Cordless Handset comes ready to use unless it was purchased sepa-

rately from the Base Unit. If purchased separately, it must be registered before use. 

See “Registering Handsets” in this manual. This section details the basic operation 

of the Cordless Handset, including instructions on making, receiving and ending a 

call, call waiting, switching between audio modes, putting a call on hold, muting, 

transferring a call, and using the intercom.

Press and hold the 

End button to turn on the Cordless Handset. You will hear a 

confirmation tone and see the display when the Handset is on.  Calls can be made by 

pressing the 

Talk or Speaker buttons or plugging in a headset.

Refer to  Auto or Manual Line Selection in this User’s Guide for instructions on set-

ting your Cordless Handset to the Auto or Manual Line Selection Mode. 

The Auto Line-Selection Dial function allows the user to dial a phone number with-

out first choosing a line. An available line is automatically selected.
1.  Press the 

Talk or Speaker button.

2.  The display will show “Press REDIAL or dial number” or the dialing prefix if it is 

enabled via the phone setting menu.

3.  Press the 

 soft button to redial the last number called, or enter the 

phone number using the keypad (0–9, *, #).

4.  If the Cordless Handset can not establish a connection to the Base Unit after 15 

seconds, it will show “No connection”. If all usable phone lines are not available, 

it will show “No line is available”. If there are usable phone lines available but all 

system resources are in use, the display will show “System busy”.