Samsung DS-5012L - Manual (Page 79)

Making Calls DS/ITP-5012L Phone User Guide
66
1.
On hearing busy tone, press the
[Selection] button for [RETRY].
The system will redial the same number
automatically. You hear the dial tone through
the speaker. The microphone is automatically
disabled.
2.
When the called party answers, either lift the
handset or press the [Speaker] button or
the [Send] button.
z
You must respond within 10 seconds.
(An automatic redial will be cancelled if not
answered within this time.)
When you dial another number, the automatic redial is cancelled.
To cancel redial, lift and replace the handset.
NOTE