Unique Profiles And Macro Expansion - Cisco SPA921 - - IP Phone Provisioning Manual

Provisioning Tutorial
Basic Resync
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Cisco Small Business IP Telephony Devices Provisioning Guide
In the Resync_Periodic parameter enter a small value for testing such as 30
(meaning 30 seconds).
Click Submit all Changes.
With the new parameter settings, the IP Telephony Device now resyncs to the
configuration file specified by the URL twice a minute.
Observe the resulting messages in the syslog trace.
Ensure that the Resync_On_Reset parameter is set to yes.
Power cycle the IP Telephony Device.
The IP Telephony Device also automatically resyncs to the provisioning server
whenever it is power-cycled.
If the resync operation fails for any reason, such as if the server is not responding,
the unit waits the number of seconds defined in Resync_Error_Retry_Delay before
attempting to resync again. If Resync_Error_Retry_Delay is zero, the IP Telephony
Device does not try to resync following a failed resync attempt.
(Optional) Verify that the value of Resync_Error_Retry_Delay is set to a small
number, such as 30, disable the TFTP server, and observe the results in the syslog
output.

Unique Profiles and Macro Expansion

In a large deployment, each IP Telephony Device needs to be configured with
distinct values for specific parameters, such as User_ID or Display_Name. To meet
this requirement, the service provider must generate distinct profiles, one for each
deployed device. Each IP Telephony Device, in turn, must be configured to resync
to its own profile, according to some predetermined profile naming convention.
The profile URL syntax can include identifying information specific to each IP
Telephony Device (such as MAC address and serial number) via macro expansion
of built-in variables. This eliminates the need to specify these values within each
profile.
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