Operation Manual

33
System settings
Internal ISDN features (only tiptel 291/293)
The ISDN features "hold", "2-line operation with hold", "three-party conference" and "call forwar-
ding" are features provided by your exchange office and programmable via the telephone. Here,
you also have the option to have these features executed by your telephone with no need to have
them released by the exchange office. Please be aware that both of the CO lines (B channels) of
your ISDN connection will be needed to have the features executed via your telephone.
1. Press the  or  button to select
"settings".
2. Press the  button.
3. Press the  or  button to select
"system".
4. Press the  button.
5. Press the  button.
6. Press the  or  button to select
"ISDN features".
7. Press the  button.
8. Use the  or  button to select an
ISDN feature.
9. Press the  button.
Hold,
2-line operation with hold:
10. Press the  or  button.
Three-party conference:
10. Press the  or  button.
Call forwarding:
10. Press the  or  button.
11. Press the  button.
Every time you press the button, the display
switches between the available functions.
The display shows "system".
The display shows "ISDN".
The display shows "MSN".
The display shows "ISDN features".
The display shows "hold, 2-line operation
with hold".
Select the desired feature.
The following select options for the feature
are displayed.
The display switches between "internal"
(hold, 2-line operation with hold is executed
internally via the telephone) and "external"
(hold, 2-line operation with hold is executed
externally via the exchange office).
The display switches between "internal"
(three-party conference is executed internally
via the telephone) and "external" (three-party
conference is executed externally via the
exchange office).
Remark: Depending on the exchange office,
"hold/2-line operation with hold" may be set to
"internal" for the internal three-party confe-
rence.
The display switches between "internal" (call
forwarding is executed internally via the tele-
phone) and "external" (call forwarding is exe-
cuted externally via the exchange office).
Remark: The individual call forwarding para-
meters "on no answer" and "on busy" are not
possible if the "internal" option is set.
The setting is stored.