Ericsson BUSINESSPHONE 250 User Manual page 9

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BusinessPhone 250 - Analogue Telephone
BusinessPhone 50 - Analogue Telephone
DESCRIPTION - ERICSSON MEDIUM TELEPHONE
1 Mute
To switch the microphone on or off. See section "During calls".
2 Tone
Temporary change to tone dialling.
3 Last number redial / Pause key
a. Redial last number dialled.
b. Insert a pause if you have to wait for dial tone.
4 R-key
Used for example to make an inquiry, to transfer a call or to
establish a conference, see section "During calls".
Can be set to two different modes, see section "Audible
adjustments".
5 Loudspeaker on/off
To switch the loudspeaker on or off. See section "During calls".
6 Program
Storing numbers. See section "Abbreviated numbers".
7 Programmable keys
Nine keys for storing frequently called numbers. You can store
one number per key, see section "Abbreviated numbers".
Note: If you unplug the telephone, stored numbers will remain
for about 4 hours.
8 Message waiting LED (optional)
A flashing light indicates a waiting message. See section "Internal
messages".
9 Handset volume
Adjust handset volume. See section "Audible adjustments".
10 Ringing signal volume
Adjust ringing signal volume. See section "Audible adjustments".
11 Speaker volume
Adjust speaker volume. See section "Audible adjustments".
12 Tone / Pulse dialling
Switch between tone or pulse dialling. See section "Audible
adjustments".
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