Advanced Call Handling
Cisco Unified IP Phone 7970 Series Phone Guide for Cisco Unified Communications Manager 6.1(3) -47
Understanding Shared Lines
Remote-in-Use Icon
The remote-in-use icon appears when another phone that shares your line has a connected call.
You can place and receive calls as usual on the shared line, even when the remote-in-use icon appears.
Sharing Call Information and Barging
Phones that share a line each display information about calls that are placed and received on the shared
line. This information might include caller ID and call duration. (See the
Privacy section for
exceptions.)
When call information is visible in this way, you and coworkers who share a line can add yourselves
to calls using either Barge or cBarge. See
Using Barge to Add Yourself to a Shared-Line Call, page 47.
Privacy
If you do not want coworkers who share your line to see information about your calls, enable the Privacy
feature. Doing so also prevents coworkers from barging your calls. See Preventing Others from Viewing
or Barging a Shared-Line Call, page 49.
Note The maximum number of calls that a shared line supports can vary by phone.
Using Barge to Add Yourself to a Shared-Line Call
You can use barge features (cBarge or Barge) to add yourself to calls on your shared line. (Calls must
be non-private calls. See
Using a Shared Line, page 46.)
Understanding Barge Features
Barge features include cBarge and single-button or multi-touch Barge.
cBarge and Barge
Depending on how your phone is configured, you can add yourself to a call on a shared line using
either cBarge or Barge:
• cBarge converts the call into a standard conference, allowing you to add new participants. (See
Making Conference Calls, page 37 for information about standard conferences.)
• Barge allows you to add yourself to the call but does not convert the call into a conference or allow
you to add new participants.
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