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Cisco CallManager Administration Guide
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Chapter 46 Configuring Cisco IP Phones in Cisco CallManager
Shared Line Appearances
Shared Line Appearances
In a Cisco CallManager system, a directory number (line) is considered to be a
shared line if it appears on more than one device in the same partition. This is
referred to as a shared line appearance.
For example, a shared line can be set up so that a directory number appears on line
1 of a manager’s phone and also on line 2 of their assistant’s phone. Another
example of a shared line would be a single incoming 800 number that is set up to
appear as line 2 on every sales representative’s phone in an office.
The following notes and tips apply to using shared line appearances with
Cisco CallManager:
• You create a shared line appearance by assigning the same directory number
and partition to different lines on different devices.
• If a line will be shared with other devices, the words Shared Line are
displayed in red next to the directory number in the Configure a Line Number
page in Cisco CallManager Administration.
• If you change the Calling Search Space, Call Waiting, or Call Forward and
Pickup settings on any device that uses the shared line, the changes are
applied to all devices that use that shared line.
• To stop sharing a line appearance on a device:
–
If the shared line is not line 1, change the directory number or partition
number for the line and update the device.
–
If the shared line is line 1, you must first delete the line from the device,
and then re-add the line with a new directory number or partition.
• In the case of a shared line appearance, Delete will remove the directory
number only on the current device. Other devices are not affected.
• Do not use shared line appearances on any phone that will be used with
Cisco WebAttendant.
Related Topics
• Adding a Directory Number, page 46-19
• Deleting a Directory Number, page 46-23
• Updating a Directory Number, page 46-24