ATL Telecom IP250 - Manual (Page 30)

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7.2 Restore
The following page is used to restore configuration values of system settings from a previously
saved configuration file, or default factory values that stored inside the device.
Restore configuration from a file:
Click “Configuration” item on the top menu.
Click “Restore” item on the left menu.
Press Browsing button to select file by backup from local machine.
Press Start Download button to process downloading file.
After downloading file is finished, the web system will redirect to restart device.
Restore default factory values form device:
Click “Configuration” item on the top menu.
Click “Restore” item on the left menu.
Press “Start Restore Default Factory” button.
After restoring default factory, the web system will redirect to restart device.
3.2 Extension
The following page allows specification of the SIP signaling stack behavior under certain
scenarios.
Support PRACK method: If you wish for the SIP stack to implement reliable transmission
of provisional responses according to RFC 3262 (using the PRACK method) ,check
the option.
Encode SIP URI with user parameter: include the user parameter “user=phone” in the
SIP URI headers.
Session Timer use UPDATE method: Session timer use update instead of reinvite.
Call Hold using C=0.0.0.0: using the call hold method described in RFC2543. If
unchecked, the call hold would follow RFC3263 method. ►
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