How do I set up the answering machine system?

The CS6719-2 isn't an answering machine. To set your greeting, consult the documentation for whatever answering machine or voicemail system you have on your telephone line.

If you require further assistance, please add a comment to this question and identify the answering machine or voicemail system.

you need to program it to what you want. I have mine set up for the answering machine to pick up after the 4th ring.It was very easy to do,but I've had this phone for so many years now,don't remember how to do it. The manuel tells you how to program tho:)

What model Uniden 5.8GHz system?

Your system is in announce mode. To switch to record mode, press and release MENU until you hear the system announce "Set Announce Only." Press TIME/SET to hear the current setting. Press CHANGE until you hear "Off." Press TIME/SET to confirm your selection.
If you need a manual, you can download one here.

Answering System Feature Setup
You can set up one feature at a time, or you can set up
a feature and then move on to set up another feature.
1 Make sure the answering system is on.
2 Press and release Uuntil you hear the
system announce the feature you want to set.
Refer to the Feature Summary chart on page 54
for a description of the features and your choices.
3 Press cto hear the feature’s settings.
4 Press Uto move on to the next feature
or press a PLAY/STOP button to exit Feature
Setup.

You can download the pdf format manual on this website:

http://telephones.att.com/telephones_ui/support/dsp_manual.cfm?manualID=261

The LS6215 isn't an answering machine. If you have a separate answering machine connected to your phone line, refer to its documentation. If you subscribe to a voicemail system offered by your telephone company, contact them for instructions on setting up and using their system.

Set your answering machine to pick up after four rings . This will give the fax machine enough time to take the call if it senses that it's an incoming fax. Setting the answering machine to pick up after four rings would give the fax machine enough time to accept the fax.
hope this was helpful .

Use Ring Select to choose how many times
the line will ring before the system
answers a call. Set for 2, 4 or Toll Saver.
When you set the system for Toll Saver, it
answers after four rings when you have no
new messages, and after two rings when
you have new messages.
1. Press and hold "set up" for about two
seconds. The system announces the
current ring selection.
2 Press and release "ANNC/SKIP" or "MEMO/REPEAT"
until the system announces your ring
selection.
3 Press and release "Play/Stop" to exit

Ring Select and Toll Saver

Use Ring Select to choose how many times the line will ring before the
system answers a call. Set for 2, 4 or Toll Saver. When you set the
system for Toll Saver, it answers after four rings when you have no new
messages, and after two rings when you have new messages.

1. Press and hold [SET UP] for about two seconds. The system announces
the current ring selection.

2. Press and release [ANN/SKIP] or [MEMO/REPEAT] until the system
announces your ring selection.

3. Press and release [PLAY/STOP] to exit
-OR-
Press and release [SET UP] to change the Remote Access Code (follow
Steps 2-5 under "Remote Access Code").

SETTING THE RINGS TO ANSWER
This setting allows you to select the number of rings before the answering system answers a call.

At idle status, hold down the volume "UP" button over two seconds to enter the ring times setting of answering. The answering system announces, "ring time two" (the default is 2).

To change the rings to answer, press and release the "PREVIOUS" button (<<) or the "NEXT" button (>>) and the answering system announces a number such as "2, 1, toll save, 9...” OR "2, 3, 4...", if you select the toll save and the digit LED light shows a “γ”, the answering system announces “toll save”.

After choosing a number, press the “PLAY/STOP” button one time to store the rings to answer, and the answering system confirms the setting and returns to the idle status.

NOTE: when the machine fails to operate properly, just unplug the power for 10 seconds, and redo the settings.