A:AnswerThere should be a handset tab where the handset rest pull the tab out and rotate it around. It it's missing contact AT&T customer service in your user's manual.
A:AnswerI set mine to answer after 3 rings. It works. You have to set the volume also. My was set pretty high. So I had to lower it. I just bought it yesterday, so I'm still learning. Check your manual for volume adjustment and setting ring pick up.
A:AnswerYes, you can mount the base unit to the wall using the standard RJ11W modular wall phone jack, which can be found in many homes. The base unit has "keyed" mounting holes which slide over the posts to secure it to wall jack mounting plate . The excess line cord can be stored behind the base to keep it out of view.
A:Answeruse the phones in my small business office, there is really no need to name the handsets, as long as they are charged they are interchangeable...