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Advanced Call Handling
Cisco Unified IP Phone 7905G and 7912G for Cisco Unified CallManager 5.0 (SCCP) 33
Understanding Shared Lines
Your system administrator might give you a “shared” line. Shared line features do not apply to
standard, unshared lines. Typically, a shared line has two main uses:
• One person applies a shared line to multiple phones—For example, your shared line, extension
23456, applies to your desk phone and your lab phone. An incoming call to extension 23456 rings
on your desk and lab phone, and you can use either of the phones to answer the call.
• Multiple people share a line—For example, you are a manager who shares a line and extension
number with your assistant. An incoming call to the extension rings on both of your phones.
Remote-In-Use
You can make calls using a shared line just as you would using any other line — even when your phone
displays “remote-in-use”. Remote-in-use indicates that a co-worker who is sharing your line is using
their phone. When your phone displays “remote-in-use”, you may also see information about your
co-worker’s call such as the called party and call duration. Conversely, when you are using a shared
line, information about your call may be displayed on your co-worker’s phone. If you are sharing a
line and do not want other people to see information about your calls, enable the Privacy feature for
your phone. See “Preventing Others from Viewing or Joining a Shared-Line Call” section on page 34
for details about how to use the Privacy feature with a shared line.
Tip If you have Privacy enabled on a shared line and make a call, “remote-in-use” will not be
displayed on other phones that share the line.
Maximum Supported Calls on a Shared Line
Your system administrator can configure your shared line to support a different number of calls than
your co-workers who share the line with you. Thus, at times you might not be able to make a new call
on the shared line even if your co-worker can.
For example, you have a shared line extension, 78888, and your phone is configured to support a
maximum of four calls on that shared line. However, one of your co-workers has a phone that supports
a maximum of five calls on the same shared line, 78888. If there are already four active calls on the
shared line, the NewCall softkey is unavailable to you, and you cannot make a new call using the
shared line. However, your co-worker would be able to make a new call on the shared line because her
phone supports a maximum of five calls on the shared line, not just four.