Hello & Welcome,
Sorry to hear of any issue you may be having with your phone.
I believe the "feature" you are referring to is called "Talking Caller ID".
To turn this feature OFF, you can do the following steps.
While the handset is not in use (not on a call):
1) Pick up the handset and press MENU # 1 6 2
2) Use the DOWN arrow to highlight OFF.
3) Press the SAVE soft key (button below the word SAVE).
4) Press the OFF key.
That should do it. NOTE: This will need to be done on EACH handset you want to silence.
As a reference, I have a link to a video that shows how this is done on a similar system. The handset shown in the video may not match your handsets exactly, but the steps are the same.
Click Here --> https://www.youtube.com/watch?v=0gnKLbDVyM4
Please give those steps a try and let me know if you have any trouble with this setting.
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