Ericsson BUSINESSPHONE 250 User Manual page 14

OUTGOING CALLS
AUTOMATIC
CALL-BACK
BUSY EXTENSION
Camp-on
Intrusion
14
You call an extension and receive busy tone or get no
answer. This can also be used if no external line is free:
Press
Verification tone.
Replace the handset
You are called back if the extension finishes the ongoing call
or the next time the extension finishes a new call.
You have to answer within eight seconds, otherwise the call-
back service is cancelled.
Lift the handset when you are called back
The requested extension is called automatically.
You call an extension and receive busy tone.
You can notify a busy extension of your call by a muted
ringing signal (if this function is allowed).
Press to camp on
(Keep handset off hook) When the called extension replaces
the handset it will be called automatically.
Note: If you receive the busy tone again, the desired extension
does not allow camp-on.
You can intrude on an ongoing call on a busy
extension (if this function is allowed).
Press to intrude
Intrusion tone is heard and a three party call is established.
When the called extension replaces the handset and you keep
off hook, the called extension will be recalled automatically.
Note: If you still hear the busy tone, then your extension does not
have the authority to intrude or the desired extension is protected
against intrusion.
BusinessPhone 250 - Analogue Telephone
BusinessPhone 50 - Analogue Telephone