66
MultiLine
The following is a description of the telephony scenarios for multi-line phones.
Refer to
page 72 for a detailed description of the settings.
Line/trunk keys
Line or DSS keys can be configured by your administrator on programmable
keys on the OpenScape Desk Phone CP200/CP205. These line keys cannot be
changed or deleted by the user.
Each key programmed with the "Line" function corresponds to a line. This
means up to 3 lines can be configured on the function keys. A distinction is made
here between primary, secondary and phantom lines. Each of these line types
can be used on a private or shared basis
page 66.
Primary line
All multi-line telephones have a primary line. This line can be reached in the usu-
al manner via your public phone number. Incoming calls to your number are sig-
naled on this line.
Secondary line
A secondary line on your phone is used as a primary line by another subscriber
of the line trunk group. Your primary line, which is configured on another tele-
phone of a line trunk group, simultaneously functions as the secondary line on
that telephone.
Phantom line
Phantom lines are not used as primary lines by any telephones in a line trunk
group. Phantom lines are established, for example, when the number of lines
provided by a communications system exceeds the number of available tele-
phones.
Line utilization
• Private line: A line that is used by a single telephone. This line cannot be used
as a secondary line by another telephone.
• Shared line: A line that is configured on multiple telephones. The line status
is displayed for all telephones that share this line. If, for example, a shared line
is being used by a telephone, a status message indicating that this line is busy
is displayed on all other telephones.
• Direct call line: A line with a direct connection to another telephone.
The status of a line can be established in the team menu from the icons and the
color of the line key LEDs
page 67:
This function is not available to you on an OpenScape 4000, see
page 152.
To avoid conflict between individual multi-line phones, the functions "Do
not disturb" and "Call forwarding" can only be used for the primary line.
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