If you never set up a phone system set aside a few days.>Remote access does not work on most phone companies or most smart phones (or maybe the smart phone OS?)>NOT staff friendly

The microphone does not work on any of the 7 phones that I purchased

The speakerphone does not work and this is a brand new phone.

but the mic does not work.>Time stamp is correct so why do I receive a new message on Thursday from the previous

does not work all the time causing the loss of the call

AT&T does not support their own products even though their name is on it.

These phones are convenient to install with relatively simply menu functions but they lack caller ID and use of the MUTE function while on speaker-phone interferes with the sound quality of the incoming sounds