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The advanced settings of the SIP-panel are configured as follows:
If it is necessary to enable the option to call unknown subscribers, set the Calls to unknown users checkbox (5).
Note
Unknown subscriber is a number that is present in the SIP-terminal, but not present in the address book of the current SIP-operator.
If it is necessary to automatically switch to the SIP-panel tab with the incoming calls, set the Switch to incoming checkbox (6). By default, the checkbox is set. Automatic switching happens at incoming calls or calls on hold.
The advanced settings of the SIP-panel are now configured.