Cisco 521SG Administration Guide - Page 164
Provisioning, Parameter, Description, Resync Error Retry Delay
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Provisioning Updating Profiles and Firmware 6 Parameter Resync Error Retry Delay Forced Resync Delay Resync From SIP Resync After Upgrade Attempt Resync Trigger 1 Resync Trigger 2 Resync Fails On FNF Description If a resync operation fails because the IP Telephony device was unable to retrieve a profile from the server, if the downloaded file is corrupt, or an internal error occurs, the device tries to resync again after a time specified in seconds. If the delay is set to 0, the device does not try to resync again following a failed resync attempt. The resync typically takes place when the voice lines are idle. When a voice line is active and a resync is due, the IP Telephony device delays the resync procedure until the line becomes idle. However, it waits no longer than the Forced Resync Delay (seconds). A resync might cause configuration parameter values to change. This causes a firmware reboot and terminates any voice connection active at the time of the resync. Controls requests for resync operations by using a SIP NOTIFY event sent from the service provider proxy server to the device. When set to yes, the proxy can request a resync by sending a SIP NOTIFY message containing the Event: resync header to the device. Requests a resync of the device after a failed upgrade attempt. A conditional expression (that undergoes macro expansion). If the condition in one of these triggers evaluates to true, a resync operation is initiated as though the periodic resync timer had expired. A resync is considered unsuccessful if a requested profile is not received from the server. This can be overridden by this parameter. When it is set to no, the device accepts a file-not-found response from the server as a successful resync. Cisco Small Business SPA300 Series, SPA500 Series, and WIP310 IP Phone Administration Guide 163