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Using your OpenScape Desk Phone CP100

Place a Call 

• Lift handset, dial number or
• Dial number and lift handset or
• For handsfree mode: dial number.

Answer a Call 

• Lift handset or
• for handsfree mode: press 

:

.

End a Call 

• Hang  up,  or
• For handsfree mode: press 

:

.

Open listening

During a call with handset:

• Press 

:

.

Switch off open listening:

• Press 

:

.

Switch between Handset and Handsfree Mode

Swith to handsfree mode during a Call:

• Hold down 

:

 until you hang up handset.

Switch to handset:

• Lift handset.

Hold and Retrieve a Call 

During a call with Party A:

• Press Hold key (if configured). Party A is put on hold.
• To retrieve a held call: press Retrieve line (if configu-

red).

Using your OpenScape Desk Phone CP100

Consultation

During a call with Party A:
1. Press 

Z

. Party A is put on hold.

2. Call Party B.
3. If the conversation with Party B is finished, press 

Z

  or 

wait, until Party B has hang up.

You are now connected again to Party A.

Toggle

During a call with Party A:
1. Press 

Z

. Party A is put on hold.

2. Call Party B.
3. If connected to Party B, press 

 and 

Z

 to toggle.

Pressing 

Z

 repeatedly toggles between Party A and B.

Make a Conference Call 

During a call with Party A:
1. Press 

Z

. Party A is put on hold.

2. Call Party B.
3. If connected to Party B, choose option Start conferen-

ce on the display.

You are now in a conference call with Party A and B.

Transfer a Call 

During a call with Party A:
1. Press 

Z

. Party A is put on hold.

2. Call Party B.
3. If connected to Party B, choose option Start transfer 

on the display. Alternatively, the call can be transfer-
red without consultation (blind transfer).

The party A will be transfered to Party B.

Call back

1. Call an internal Party. The Party does not lift the hand-

set or is busy.

2. Press Callback on the Programmable key (if configu-

red).

3. As soon as the not reached Party has hung up, the call-

back is triggered and your telephone rings.

4. Answer the call back. The not reached Party is called.

Programmable keys

Examples of Programmable keys

Function

Explanation

Call waiting

Allows a second incoming call while in 
an active call

Callback

Requests an automatic call back 
(busy/no answer)

Caller list

List of placed, answered and missed 
calls

Call forwarding

Forwards all incoming calls to the pro-
grammed destination when the line is 
busy

Call forward. no reply Forwards all incoming calls to the pro-

grammed destination if they are not 
answered

Consult

Puts an active call on hold and 
provides a prompt for dialing

Pickup - directed

Picks up another ringing phone

Phonebook

Phonebook

Do not disturb

Incoming calls do not ring; callers hear 
the busy signal

Toggle/connect

Toggles OpenScape Voice services

Redial

Calls the last dialed number

Release

Ends a call

Repdial key

Dials pre-defined numbers and 
control sequences

Your phone has three program-
mable function keys, shown on 
the left with default configurati-
on.

Release Redial Call log

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