w p broussard posted an answer for this AT&T ATT-974 Corded Phone:
"1-make or answer a call. 2 press and release HOLD 3 call someone on another line. 4 when..."
w p broussard posted an answer for this AT&T ATT-974 Corded Phone:
"I would also suggest downloading the manual. I have my answering service thru att and I..."