ANSWERING MACHINE NO LONGER WORKS. CANNOT SET ANSWERING MACHINE TO RECORD MESSAGE. WILL NOT RESPOND TO PRESSING THE ANSWERING MACHINE (OR OTHER FEATURE) BUTTONS ON THE BASE OF THE UNIT.

For this problem contact your mobile service provider.........

Here is the manual for your phone. You can download the manual and the instructions for setting up your answering machine are on page 43:

http://www.uniden.com/pdf/DECT1580-3om.pdf

Setting Up the Answering System
You can set up your answering system's features from the handset. Only one handset at a time can access the answering system menus.

Note: If you have multiple bases, select the base with answering system you want to access (see page 15).

Recording a Personal Greeting
Your answering system comes with a pre-recorded outgoing message or greeting that plays when you receive a call: "Hello, no one is available to take your call. Please leave a message after the tone." You can record your own personal outgoing greeting. Your recorded greeting must be between two seconds and thirty seconds long.

Press /mute. The system announces the number of new and old messages, then starts to play the messages unless it has no messages.

Press 5 to stop the announcements or message playback. You will hear intermittent beeps indicating that the system is in the command waiting mode.

Press 8 to start the recording. The system announces, "Record greeting." Begin recording after the announcement.

When you finish recording, press 8 again or press 5. You will hear a confirmation tone, and your recorded greeting plays back for you.

Selecting a Greeting

Once you have recorded a personal greeting, the phone automatically switches to your personal greeting. You can
also switch back and forth between the pre-recorded greeting and your own greeting at any time.

Press /mute. The system announces the number of new and old messages, then starts to play the messages unless it has no messages.

Press 5 to stop the announcements or message playback. You will hear intermittent beeps indicating that the system is in the command waiting mode.

Press 6. The system plays the current greeting.

Since you neglected to specify the model of your Uniden DECT 6.0 system I can only suggest you select it from the list beginning here to download a copy of the manual.

Apparently you have the answering machine turned off.
When speakerphone is OFF (not in TALK mode), press flash/program button and CID VOL(+) / CID VOL(-) arrow keys to move the pointer > to point at ANSWER ON/OFF, press flash/program button to show SET ANSWERER ON OFF.
Use the CID VOL(+) / CID VOL(-) arrow keys to select ON.
If you need one, you can download the manual here.

Here are the instructions you need to follow:

If you want to be able to play your messages from a remote location, you need to enter a two-digit Personal Identification Number (PIN) code (01-99).
To select a PIN, perform the following steps:
1) With the phone in standby, press [menu/clock] twice.
The system announces "Security code," and the current PIN code is announced as it is displayed on the base.
Then the system announces the instructions for setting the PIN code.
2) Press [volume/select/ ] or [volume/select/ ] until the desired number appears.
3) Press [set] to select the PIN code. You hear a confirmation tone, then the announcement "Security code" followed by the new PIN code is announced. After a few seconds, the system announces "To set ring time, press menu again."
Note: The PIN code is set to "80" at the factory.

Remote Operation
When you are away from home, you can operate your answering machine with any touch-tone telephone. Use this function to check for recorded messages, to play or delete messages, even record a new greeting message.
1) Call your telephone number.
2) During the greeting message, press [0] and enter your PIN code
3) The answering machine announces the current time and the number of messages stored in memory. Then you hear "To play incoming message, press zero two. For help, press one zero."
4) You may continue to listen to the voice prompts, or you may select a command from the following chart:
Command Function Command Function
[0] then [1] Repeat a Message [0] then [6] Answering Machine On
[0] then [2] Play Incoming Messages [0] then [7] Memo Record/Stop*
[0] then [3] Skip a Message [0] then [8] Greeting Message Record/Stop*
[0] then [4] Delete a Message [0] then [9] Answering Machine Off
[0] then [5] Stop Operation [1] then [0] Voice Prompts
* For Memo Record and Greeting Message Record functions, the first time you enter the corresponding command, it
starts the Recording function. If you want to stop the recording, enter the command again.
Note: Once you enter the remote access menu, you must enter a command within 15 seconds, or the
answering machine automatically hangs up and returns to standby.
5) After all of the voice prompts have been played, you hear intermittent beeps indicating that the system is in the
command waiting mode. You may enter another command at this time from the chart.
6) When you are finished, hang up to exit the system. The answering machine automatically returns to standby.

Turn on the Answering Machine Remotely
If you have forgotten to turn on your answering machine, you can turn it on remotely from any touch-tone telephone.
1) Call your telephone number.
2) Wait ten rings until the system answers. You hear intermittent beeps.
3) Press [0] and then enter your PIN code. The answering machine announces the number of messages stored in memory. You hear "To play incoming message, press zero two. For help, press one zero."
4) Press [0] then [6] to turn the answering machine On. You hear the outgoing message and a confirmation tone.
5) Hang up the phone; subsequent calls will be answered by the system.

While you are away from your home or
office, you can use a touch-tone phone,
or a pulse (rotary) phone with a pocket
tone dialer (available through your local
RadioShack store) to enter your PIN and
do any of the following:
• set the phone to answer or not
answer calls
• listen to your messages
• record a new outgoing message
• erase messages
• monitor the room where the phone
is located
Notes:
• You cannot remotely operate the
phone using its handset or another
telephone on the same line as the
phone.
• You can also listen to the message
recorded on Line 2 by making a call
to Line 1’s number (or vice versa).
USING THE TOLL-SAVER
If RING TIME is set to TS (toll-saver),
(see “Setting the Number of Rings” on
Page 15), the phone answers after three
rings if you have new messages (ones
you have not listened to). If there are no
new messages, the phone answers after
five rings. This gives you time to hang
up before the phone answers so you
can avoid unnecessary long-distance
charges.
Note: Toll-saver works only on the line
you called. If Line 1 has no new messages,
but Line 2 has one, the telephone
answers after five rings when you
call Line 1.
USING REMOTE
COMMANDS
Follow these steps to operate the phone
from a remote location.
Note: If you wait more than 15 seconds
between keypresses, the phone sounds
a long beep and hangs up.
1. Dial your phone number and wait for
the phone to answer.
2. If the phone is not set to answer
calls, it answers after about 10 rings
and sounds a series of beeps.
3. When the outgoing message begins
(or the phone sounds a series of
beeps), press #, then enter your PIN
within 2 seconds.
If the PIN is correct, the phone announces
the day and time, then it announces
the number of new and old messages.
The phone plays all new messages,
then beeps about every two seconds to
let you know it is ready to accept remote
commands.
Notes:
• If the phone does not respond, try
entering your PIN again. If you enter
an incorrect PIN three times, the
phone beeps and hangs up.
Remote Operation 27
• When the phone is operating from a remote location, it stops all answering functions
and rC appears on the display on the base. The phone resumes answering
functions when it is no longer in remote operation, if you have not turned it off.
• The remote playback of incoming messages is limited to 4 minutes. If you have
more messages after 4 minutes have passed, you must press # 2 again to listen
to the rest of the messages.
• When using remote operation, you can only delete the current message during
playback. You cannot delete all the messages stored at one time.
The following table shows the remote commands you can use.
Note: Remote operation stops when someone picks up the handset and presses either
LINE 1 or LINE 2 (whichever is flashing), or any phone on the same phone line.
Remote Commands
Press #
then (within
2 seconds:
Function
1 Repeat current message during playback.
2 Play messages.
3 Skip current message during playback.
4 Delete current message during playback.
5 Stop playback, recording, and room monitoring.
6 Set the phone to answer or not answer calls.
7 Record or stop recording a new outgoing message.
8 Play the outgoing message.
9 Switch to the other line (Line 1 or Line 2).
0 Monitor the room where the phone is located for 15 seconds

Record Time sets the duration for recording the incoming messages. You have three
record time options. The options "1 minute" or "4 minutes" set the duration for
recording the incoming messages. "Announce only" answers the call but prevents
the caller from leaving a message.
1) Enter the Answ. Setup menu, and then the Record
Time submenu (see "Entering the Menu" on page 16).
2) Press volume up/down to select Record Time
(1 Minute, 4 Minutes, or Announce Only)
3) Press the OK soft key. You will hear a confirmation tone.

Press "MENU"
Scroll to "Answering Machine", Press "Set/Save"
Scroll to "Record Greeting", Press "Set/Save"
Following Instructions that appear on LCD screen to record message.

Hi Diana - To record your outgoing message, hold down your ogm button ( outgoing message) for two seconds and it will ask you to record a message. To play back your message, just push the same button and it will play your message. If you don't like it just do it again. If this solves your problem PLEASE rate this as fixed. If you need more help just add a comment and I'll be happy to assist you further. Thanks and have a good day.

Jeff

Make sure answer machine function is turned on. Bottom right button.
Make sure an outgoing message is set. Should see a <-> arrow in the display screen. If not, press the <-> button. To record outgoing message... the press the middle button; record out going message; press middle button. Wait a few seconds and you should be set. Hope this helps