tftp://prov.telco.com:6900/cisco/config/$PN.cfg
</Profile_Rule>
A profile for each phone can be identified in a general purpose parameter, with its value referred within a
common profile rule by using macro expansion.
For example, assume GPP_B is defined as Dj6Lmp23Q.
The Profile_Rule has the value:
tftp://prov.telco.com/cisco/$B/$MA.cfg
When the device resyncs and the macros are expanded, the phone with a MAC address of 000e08012345
requests the profile with the name that contains the device MAC address at the following URL:
tftp://prov.telco.com/cisco/Dj6Lmp23Q/000e08012345.cfg
Resync a Device Automatically
A device can resync periodically to the provisioning server to ensure that any profile changes made on the
server are propagated to the endpoint device (as opposed to sending an explicit resync request to the endpoint).
To cause the phone to periodically resync to a server, a configuration profile URL is defined by using the
Profile_Rule parameter, and a resync period is defined by using the Resync_Periodic parameter.
Before you begin
Access the phone administration web page. See Access the Phone Web Interface, on page 104.
Procedure
Step 1 Select Voice > Provisioning.
Step 2 Define the Profile_Rule parameter. This example assumes a TFTP server IP address of 192.168.1.200.
Step 3 In the Resync Periodic field, enter a small value for testing, such as 30 seconds.
Step 4 Click Submit all Changes.
With the new parameter settings, the phone resyncs twice a minute to the configuration file that the URL
specifies.
Step 5 Observe the resulting messages in the syslog trace (as described in the Use Syslog to Log Messages, on page
40 section).
Step 6 Ensure that the Resync On Reset field is set to Yes.
<Resync_On_Reset>Yes</Resync_On_Reset>
Step 7 Power cycle the phone to force it to resync to the provisioning server.
Cisco IP Phone 8800 Series Multiplatform Phone Administration Guide for Release 11.3(1) and Later
47
Cisco IP Phone Provisioning
Resync a Device Automatically
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