Sony Ericsson Dialog 4223 User Manual

Outgoing Calls

26

Busy extension

You call an extension and receive busy tone.

You can notify a busy extension of your call by a muted ringing call.

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Keep the 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 

You can intrude on an ongoing call on a busy extension (if this 

function is allowed).

intrusion

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, your extension does