Description - Ericsson BUSINESSPHONE 250 User Manual

DESCRIPTION

DESCRIPTION
(continued)
6
5 Dual-function programmable keys (A-N)
Storing numbers, program functions. See section "Programming".
6 Dual-function programmable key (C) / Headset key
a. Storing numbers and program functions.
b. The headset function is only available with option unit
(DBY 410 02) installed. The headset key is programmed by
the system administrator. See section "Optional equipment".
7 Transfer / Diversion
a. Transfer an ongoing call. See section "During calls".
b. Activate/Deactivate diversion. See section "Call forwarding".
8 Inquiry / Conference
a. To make an inquiry to an internal or external party.
b. To establish a telephone conference.
See section "During calls".
9 Line 2 / Read &
a. Line key 2 for in and outgoing calls.
b. Read information. See section "Information".
10 Line 1 / Save/Redial
a. Line key 1 for in and outgoing calls.
b. Save or redial an external number. See section "Outgoing calls".
11 Volume control
To adjust the volume. Also space/backspace in writing mode.
See sections "Audible Adjustments" and "Write text".
12 Mute
To switch the microphone on or off. See section "During calls".
13 Loudspeaker on/off
To switch the loudspeaker on or off. See section "During calls".
14 Clear
To disconnect calls or to clear the display in programming.
15 Microphone
BusinessPhone 250 - Executive Telephone
BusinessPhone 50 - Executive Telephone