Ericsson 250 User Manual download pdf (Page 6)

DESCRIPTION

BusinessPhone 250 - Basic Telephone

BusinessPhone 50 - Basic Telephone

DESCRIPTION

(continued)

1 Message / Conference

a. To send and receive messages. See section ”Internal messages”.

b. To establish a telephone conference. See section ”During calls”.

2 Programmable key / 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”.

3 Programmable keys

Storing numbers and program functions.

See section ”Programming”.

4 Inquiry

To make an inquiry to an internal or external party.

See section ”During calls”.

5 Line

Line key for in and outgoing calls.

6 Volume control

To adjust the volume. See section ”Audible adjustments”.

7 Mute

To switch the microphone on or off.

See section ”During calls”.

8 Loudspeaker on/off

To switch the loudspeaker on or off.

See section ”During calls”.

9 Clear

To disconnect calls.

10 Loudspeaker

11 Handset with hearing aid function

Please note: The handset may retain small metal objects in the

earcap region.

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Ericsson 250 User Manual Page 6