RCA 25250 - Manual (Page 29)

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Speakerphone, Handset, and Headset Volume
While the phone is in use, during the desired mode, press the VOL (+ or -)
buttons until you reach a comfortable listening level. The phone stores the
setting after the last button pressed.
Hold
In Talk mode, press the Hold button to hold the line. “Line X ON HOLD”
shows in the LCD display, and the line icon will flash. On the base, the Line
button indicator will flash also.
When the line is on hold, the hold alert tone will be emitted.
Press the corresponding LINE soft key (on handset), or the
Line button (on
base) to release the hold and pick up the call again.
Conference Calls
This system can support 3-way and 4-way conference calls.
Join a call in progress:
1. While a call is in progress, another user can join that call by pressing
the corresponding Line button on the base unit or soft key in the
handset. Both parties on the original call will hear a tone to alert them
someone else has joined the call.
NOTE: If the privacy feature is On for the original call, the call cannot be
joined by another user.
3-way conference call by an intercom call:
1. While on a call, press the
Intercom button, wait for timer to clear from
the screen, press the Intercom button again and then select the desired
handset or base to intercom.
2. The selected handset or base will emit a page tone. The user can press
the Talk button on the handset or the Speaker button on the base to
answer the intercom call page.
3. The originating caller can then press the CONF soft key shown on the
display to establish a 3-way conference between the external caller and
the intercom call.
3-way conference call with two lines:
1. During a call on Line 1, press the
Hold button to put the call on hold.
2. Press the Line 2 button or soft key on the handset to get a dial tone.
Dial the number, and then talk to the other person.
3. The originating caller can then press the CONF soft key shown on the
display to establish a 3-way conference between the two lines.
4-way conference call (Line 1 + Line 2 + 2 extension):
1. Once the base unit or handset has both Line 1 and 2 on hold, press
the Intercom button and then select the desired handset or base to
intercom.
2. The selected handset or base will emit a page tone. The user can press
the Talk button on the handset or the Speaker button on the base to
answer the intercom call page.
Telephone Operation