AT&T E5900B - Manual (Page 65)

4
Belt clip & optional headset
Install belt clip as shown below if desired.
For hands-free telephone conversations, you can use any industry standard 2.5 mm
headset (purchased separately). For best results use an AT&T 2.5 mm headset.
Snap belt clip into notches on
side of handset. Rotate and pull
to remove.
Plug 2.5 mm headset
into jack on side of
handset (beneath
small rubber cap).
ATT-580-1CIB-d2.qxd 1/17/2004 6:14 PM Page 4