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206 Nortel IP Softphone 2050

scheme fails then the IP Softphone 2050 disconnects from the Call Server

unless you are on an active call, in which case the phone does not

disconnect until the call ends.

The licensing schemes are as follows:

•

“Check out license” (page 206)

•

“Cached license” (page 206)

• “Evaluation period ” (page 206)

Check out license

The IP Softphone 2050 tries to obtain or checkout a license from a License

Server. These licenses are stored on a License Server machine located

on your network. For information about how to install and configure a

Licensing Server, see “Provisioning a License Server” (page 209). After

a client successfully checks out a license from the License Server a

heartbeat mechanism activates to validate the license every 2 minutes. If

the heartbeat is lost then the client attempts to reconnect to the server 5

times before it loses the checked out license.

Cached license

After the IP Softphone 2050 successfully checks out a license from the

License Server, it records the license details in a secure location. You can

refer to this license as a backup license. The cached license is available

for 5 days.

Evaluation period

After you install the IP Softphone 2050, it can run without a license for a

period of 30 days. After the expiration date passes, you must run the IP

Softphone 2050 Settings tool to specify a License Server. Otherwise, the

phone cannot connect to the Call Server.

License restrictions

The following license restrictions apply to the IP Softphone 2050 Release

3.0.

• If at any time you rewind the system date by more than 24 hours, the

IP Softphone 2050 evaluation period license and cached license are

both invalidated.

• Software reinstallation does not reset the license to provide another

30-day evaluation period.

• After you receive a valid license, you cannot return to the evaluation

license even if the evaluation period has not expired.

Nortel Communication Server 1000

IP Phones Fundamentals

NN43001-368 05.06 30 April 2010