Press OPTIONS - 3 then select volume from 0 - 3 by pressing the number keys (ringer will sound) 0 = quiet, 3 = loud.
codders
June 2005
Try www.bt.co.uk/userguides then search the A-Z box for your telephone then press ok at end of box and wait while it automatically down loads to adobe reader. if you haven't acrobat reader then you will see a reference above the boxes to downloading it first and it's free.
Bob
February 2005
search synergy 2110 manual on web and you will get the manualt in PDF format to read or print off 33 pages