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What accessories are included with the PANASONIC KX-NT551?

The following accessories are included with the PANASONIC KX-NT551:

Accessory Item Quantity
Handset 1
Handset Cord 1
Stand 1

What optional accessories are available for the PANASONIC KX-NT551?

The following optional accessories are compatible with the PANASONIC KX-NT551:

Accessory Type Model Number
AC adaptor KX-A239BX (PQLV206CE) / KX-A239AL (PQLV206AL) / KX-A239UK (PQLV206E) / KX-A239EJ (PQLV206E) / KX-A239X (PQLV206) / KX-A420BR (PSLP1662)
Wall mount kit KX-A432X

How do I adjust the volume on the PANASONIC KX-NT551?

You can adjust the volume on the PANASONIC KX-NT551 using the following methods depending on the mode of operation:

Speaker volume: While in a hands-free conversation, press the Up or Down arrow keys to adjust the volume.

Handset/Headset volume: While using the handset or headset, press the Up or Down arrow keys to adjust the volume. If you hear your own voice through the handset or headset, decrease the volume.

Ringer volume: While on-hook or receiving a call, press the Up or Down arrow keys to adjust the volume.


How do I adjust the LCD contrast on the PANASONIC KX-NT551?

To adjust the LCD Contrast on the PANASONIC KX-NT551 while on-hook:

1. Press the [PAUSE/PROGRAM] button.

2. Enter 0, 1.

3. Press [AUTO DIAL/STORE].

4. Press the Up or Down arrow keys to adjust the LCD contrast.

5. Press [AUTO DIAL/STORE].

6. Press [PAUSE/PROGRAM].


How do I change the ring tone on the PANASONIC KX-NT551?

To change the Ring Tone on the PANASONIC KX-NT551:

1. Press the [PAUSE/PROGRAM] button.

2. Press a flexible CO button or [INTERCOM] 2 times.

3. Enter 2 digits (01-30) using the dial keys (0-9), or press the Up or Down arrow keys to select the ring tone.

4. Press [AUTO DIAL/STORE].

5. Press [PAUSE/PROGRAM].


How do I configure the LCD backlight on the PANASONIC KX-NT551?

To configure the LCD Backlight on the PANASONIC KX-NT551 while on-hook:

1. Press the [PAUSE/PROGRAM] button.

2. Enter 0, 4.

3. Press [AUTO DIAL/STORE].

4. Press a dial key to select the LCD backlight mode:

0: Automatic

1: Always ON

2: Always OFF

5. Press [AUTO DIAL/STORE].

6. Press [PAUSE/PROGRAM].


How do I make calls using the PANASONIC KX-NT551?

To call an extension:

1. Go off-hook.

2. Dial an extension number.

To call an outside party:

1. Go off-hook.

2. Press a flexible CO button.

3. Dial the outside party’s phone number.


How do I use the Redial, Quick Dialing, and Doorphone features on the PANASONIC KX-NT551?

Redial:

1. Go off-hook.

2. Press [REDIAL].

Quick Dialing:

1. Go off-hook.

2. Dial a quick dialing number.

Doorphone Call:

1. Go off-hook.

2. Enter *31.

3. Enter a doorphone number (2 digits).

4. After the confirmation tone, talk.


How do I use System Speed Dialing on the PANASONIC KX-NT551?

To use System Speed Dialing on the PANASONIC KX-NT551:

1. Go off-hook.

2. Enter **. (Alternatively, you can press [AUTO DIAL/STORE]).

3. Enter a system speed dialing number (3 digits).


How do I store and dial Personal Speed Dialing numbers on the PANASONIC KX-NT551?

To store:

1. Go off-hook.

2. Enter *30.

3. Enter a personal speed dialing number (2 digits).

4. Enter the phone number to store (max. 32 digits). Enter the outside line access number before an outside phone number.

5. Press #.

6. After the confirmation tone, go on-hook.

To dial:

1. Go off-hook.

2. Enter ** (or press [AUTO DIAL/STORE]).

3. Enter *.

4. Enter a personal speed dialing number (2 digits).


How do I store and use One-touch Dialing on the PANASONIC KX-NT551?

To store:

1. Press the [PAUSE/PROGRAM] button.

2. Press a flexible CO button.

3. Enter 2.

4. Enter the number to store (max. 32 digits). Enter the outside line access number before an outside phone number.

5. Press [AUTO DIAL/STORE].

6. Press [PAUSE/PROGRAM].

To dial:

1. Go off-hook.

2. Press the flexible CO button assigned as a One-touch Dialing button.


How do I hold and retrieve calls on the PANASONIC KX-NT551?

To hold:

1. Press [HOLD].

2. After the confirmation tone, go on-hook.

To retrieve a call at the holding extension:

1. Go off-hook.

2. Press a flexible CO button or [INTERCOM].

To retrieve an outside call from another extension:

1. Go off-hook.

2. Press a flexible CO button.


How do I transfer calls on the PANASONIC KX-NT551?

To transfer to an extension:

1. Press [TRANSFER].

2. After the confirmation tone, dial an extension number.

3. Talk.

4. Go on-hook.

To transfer to an outside party:

1. Press [TRANSFER].

2. After the confirmation tone, press a flexible CO button.

3. Dial an outside phone number.

4. Talk.

5. Go on-hook.


How do I set the Do Not Disturb feature on the PANASONIC KX-NT551?

1. Go off-hook.

2. Enter *71.

3. Press a dial key to select the setting:

0: Both outside and intercom calls

1: Outside calls only

2: Intercom calls only

4. To enable Do Not Disturb, enter 1. To cancel Do Not Disturb, enter 0.

5. After the confirmation tone, go on-hook.


How do I set a Timed Reminder on the PANASONIC KX-NT551?

To set:

1. Go off-hook.

2. Enter *7601.

3. Enter the hour and minute (4 digits).

4. If 12-hour-time display is set, enter 0 (AM) or 1 (PM).

5. Enter 0 (1 time) or 1 (daily).

6. After the confirmation tone, go on-hook.

To cancel:

1. Go off-hook.

2. Enter *7600.

3. After the confirmation tone, go on-hook.

To stop or answer the ring back:

1. Press [INTERCOM], or go off-hook.


How do I establish a multiple party conversation on the PANASONIC KX-NT551?

To add other parties during a conversation:

1. Press [CONF].

2. After the confirmation tone, dial the phone number of the party to add.

3. Talk to the new party.

4. Press [CONF].

5. After the confirmation tone, talk with multiple parties.

To leave a conference:

1. Press [CONF].

2. After the confirmation tone, go on-hook.


How do I set Call Forwarding on the PANASONIC KX-NT551?

1. Go off-hook.

2. Enter *71.

3. Press a dial key to select the types of calls to apply this feature to:

0: Both outside and intercom calls

1: Outside calls only

2: Intercom calls only

4. Press a dial key to select the status:

2: All calls

3: Busy

4: No answer

5: Busy/No answer

0: Cancel (If you enter 0, you can skip Step 5).

5. Enter an extension number, and then enter #, or enter a CO line access number, an outside phone number, and then enter #.

6. After the confirmation tone, go on-hook.


How do I attach the stand to the PANASONIC KX-NT551?

1. Insert the catches of the stand into the hooks located in the unit.

2. Gently push the stand in the direction indicated until it locks into place. The stand will be mounted.


How do I remove the stand from the PANASONIC KX-NT551?

Remove the stand in the direction indicated while pushing the catches of the stand with both hands.


How do I wall mount the PANASONIC KX-NT551?

1. Insert the tabs of the wall mounting adaptor into the designated openings in the base, and then slide the wall mounting adaptor in the direction of the arrow until it clicks.

2. Fasten the wall mounting adaptor(s) to the base with the screw(s). (Recommended torque: 0.4 N·m [4.08 kgf·cm] to 0.6 N·m [6.12 kgf·cm]).

3. Connect the cables to the unit.

4. Drive the screws into the wall either 83 mm or 100 mm apart, and mount the unit on the wall.


What wired headsets are compatible with the PANASONIC KX-NT551?

The following wired headsets can be used with the PANASONIC KX-NT551: Panasonic RP-TCA400, RP-TCA430, KX-TCA400 or KX-TCA430. Not all operations with the headsets can be guaranteed.

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This Post Has 2 Comments

  1. Anonymous

    How do you listen and remove messages from Panasonic KX-NT551

    1. Anonymous

      To Listen to Messages:
      According to the Location of Controls (Page 8 and 9):
      1. Look for the Message/Ringer Lamp (#2 on Page 8). If someone has left you a message, this lamp stays on red.
      2. Press the MESSAGE button (#8 on Page 9).
      * The manual states this button is used to “call back the party who left the message waiting indication.” Pressing this will connect you to your voicemail system or the extension that left the message.

      To Remove Messages:
      The Quick Reference Guide does not contain specific button codes (such as “Press 7 to delete”) for deleting messages.

      Because this is an IP telephone connected to a PBX system (like the KX-NS or KX-TDE series listed on Page 1), the specific key to press to delete a message depends on the system programming, not the phone itself.

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