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<task xml:lang="en" id="GUID-A215B972-A23B-537A-855B-389747C85BB5"><title>Fixed Dialling Number Settings Tutorial</title><shortdesc>This tutorial describes how to get and set the Fixed Dialling Number (FDN) settings. </shortdesc><prolog><metadata><keywords/></metadata></prolog><taskbody> <context><p>The Fixed Dialling Number service restricts the user to dial only those numbers that appear in the FDN phonebook on the SIM or R-UIM. </p> </context> <steps-unordered> <step id="GUID-DA2E02CF-41B9-51CE-895E-9B1E01DA1B44"><cmd>Activate or deactivate FDN using <xref href="GUID-AA81AFA4-6FAC-3B0D-A082-BE0AEC58CCA8.dita"><apiname>RMobilePhone::SetFdnSetting()</apiname></xref>  </cmd> </step> <step id="GUID-9F6840C0-FF18-5131-8118-AA7661B01F52"><cmd>Get the current FDN status using <xref href="GUID-AA81AFA4-6FAC-3B0D-A082-BE0AEC58CCA8.dita"><apiname>RMobilePhone::GetFdnStatus()</apiname></xref>. </cmd> <info>Possible status values types are described in the <xref href="GUID-AA81AFA4-6FAC-3B0D-A082-BE0AEC58CCA8.dita"><apiname>RMobilePhone::TMobilePhoneFdnStatus</apiname></xref> enum. </info> </step> <step id="GUID-3D304730-D163-59FC-B5A4-A77595B6D422"><cmd/><info>To receive the notification of any changes to the FDN status, use <xref href="GUID-AA81AFA4-6FAC-3B0D-A082-BE0AEC58CCA8.dita"><apiname>RMobilePhone::NotifyFdnStatusChange()</apiname></xref>  </info> </step> </steps-unordered> <example><title>FDN settings example</title> <p>The following code gets the FDN status, and checks if FDN is active. </p> <p>The code assumes <codeph>iMobilePhone</codeph> is an <xref href="GUID-AA81AFA4-6FAC-3B0D-A082-BE0AEC58CCA8.dita"><apiname>RMobilePhone</apiname></xref> object. </p> <codeblock id="GUID-408B789E-B387-5DF4-817D-627EF553E9BF" xml:space="preserve">RMobilePhone::TMobilePhoneFdnStatus fdnStatus;
User::LeaveIfError(iMobilePhone.GetFdnStatus(fdnStatus));

if ( (fdnStatus == RMobilePhone::EFdnActive) || (fdnStatus == RMobilePhone::EFdnPermanentlyActive) )
    {
        //do something
    }
</codeblock> </example> <postreq><p>You can find what the fixed numbers are through <xref href="GUID-AA81AFA4-6FAC-3B0D-A082-BE0AEC58CCA8.dita"><apiname>RMobilePhoneBookStore</apiname></xref> using the <xref href="GUID-AA81AFA4-6FAC-3B0D-A082-BE0AEC58CCA8.dita"><apiname>KETelIccFdnPhoneBook</apiname></xref> phonebook. </p> </postreq> </taskbody></task>