# SNOM Phone responds slowly after auto-provisioning

If Snom phones have been auto-provisioned and contact synchronization is also enabled, the phone may respond very slowly or not at all to commands. This is usually caused by an excessive number of contacts being regularly synchronized.

To resolve this issue, increase the synchronization interval for contacts:

1. Log in to the Snom web interface.
2. Navigate to: **Identity -> Features -> Phone Download Interval**.
3. Adjust the interval settings. The maximum interval is 1,209,600 seconds (14 days).

{% hint style="info" %}
**Note:** Setting the interval to 0 will disable automatic synchronization. The phone will only sync upon reboot. Alternatively, you can schedule synchronization at a specific time. For example, to synchronize daily at 11:00 PM, use the following settings:

on abs 23:00

\<prov\_polling\_enabled perm="RW">on

\</prov\_polling\_enabled>

\<prov\_polling\_mode perm="RW">abs

\</prov\_polling\_mode>

\<prov\_polling\_time perm="RW">23:00\</prov\_polling\_time>
{% endhint %}

For further details, refer to the [Snom Help Center](https://service.snom.com/display/wiki/tbook_download_interval).


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