Vtech VT 9152 Cordless Phone (VT-9152) "monitoring cell frequencies" Questions

...cell phones, other 2.4GHz cordless phones and 2.4 GHz intercoms or monitors. If any of these items are in the area, they can interfere with the performance of this phone; try relocating the phone. ...

When i dial and press the talk butto, i still hear a dial tone...please help I cant make any calls out because when I dial out I still hear a dial tone..when I get a call I can't hardly hear the ...

Voices breaks up when phone is over 25 feet from base unit. Panasonic KX-TG1032S - Base phone and 2 extensions in home. Phone at base unit in bedroom works fine. One extension is in room directly ...