Optional Equipment; Expansion Key Panel; Option Unit; Extra Handset - Ericsson BUSINESSPHONE 250 User Manual

OPTIONAL EQUIPMENT

OPTIONAL
EQUIPMENT
GENERAL
EXPANSION
KEY PANEL

OPTION UNIT

EXTRA HANDSET

68
This chapter describes optional features that can be used
together with your BusinessPhone telephone.
Each key panel offers 17 additional keys for storing of your
most frequently used telephone numbers and functions, and
for supervising extensions.
Your telephone can be expanded with up to four key panels.
Note: If one or two key panels are used, the optional key panel
DBY 409 01 may be used. However, if three or four key panels
are used, all optional key panels must be of type DBY 409 02.
The Option unit DBY 410 02 is an optional accessory, to be
installed on the bottom of your telephone set. The following
devices can be installed via the Option unit:
• Tape recorder
• Extra bell or busy indication outside your door
• Enhanced headset functionality or a conference unit
Note: Regarding the headset functions see previous section.
• PC sound card
• Second handset
Note: For people with impaired hearing the Option unit offers
the possibility to amplify the receiving volume in the handset
and headset.
Useful for involving a second person in your conversation,
for talking or just listening.
BusinessPhone 250 - Executive Telephone
BusinessPhone 50 - Executive Telephone