The "Callback on busy" feature is not enabled for your connection

The feature is not supported by all exchanges to the called connection

At the called connection, a telecommunications system is connected that does not support the feature

The feature is barred for its called connection (e.g. in the case of special telephone numbers)

3.3.2.1 Activating automatic callback

Initial state: called party is busy

Steps:

 

No.

Description

 

Input

Display

 

 

 

You hear the

 

 

 

 

 

 

 

 

 

 

 

04318818

 

 

 

 

busy tone

 

 

 

 

 

 

 

 

 

 

 

 

ŋǤ‰ÏÌÓÛı

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1

 

Initiate automatic

 

w, positive acknow-

 

04318818

 

 

 

 

callback

 

ledgement tone

 

 

 

 

 

 

 

 

 

 

ŋǤ‰ÏÌÓÛı

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Initial state: idle, flashing

¤symbol indicates

 

 

 

 

 

that callback is activated

 

 

Steps:

 

 

 

 

 

 

 

No.

Description

 

Input

Display

1

 

Called party has

 

 

 

CALL BACK FROM:

 

 

 

hung up, tone

 

 

 

043188180

 

 

 

 

 

 

 

 

 

ringing sounds.

ŋǤ‰ÏÌÓÛı

 

2The call back party is A or ö called; ringing tone in

the handset or loud- speaker.

You can conduct the call once the party has lifted the hand- set.

043188180

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ŋǤ‰ÏÌÓÛı

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Philips D711, D721 manual Ringing sounds