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<task id="GUID-89D0839A-942B-58FF-A0E6-A0FDBFC92236" xml:lang="en"><title>Mobile

Network Selection Tutorial</title><shortdesc>This tutorial describes settings that are used in the mobile network

selection using <codeph>RMobilePhone</codeph> functions. </shortdesc><prolog><metadata><keywords/></metadata></prolog><taskbody>

<context id="GUID-D5A35FBF-EEAD-4724-B829-D86AB1C4FFF6"><p>The phones can select a network: </p> <ul>

<li id="GUID-F5EE89E8-4234-5750-B469-C32C8C63F4A3"><p>automatically based

on an algorithm and preferred choices </p> </li>

<li id="GUID-534D4B64-12CF-5EC7-808C-C53A78ACBF50"><p>manually in the GSM

mode after detection of available networks </p> </li>

</ul> <p>The settings that determine this selection process are retrieved

and set through <xref href="GUID-AA81AFA4-6FAC-3B0D-A082-BE0AEC58CCA8.dita"><apiname>RMobilePhone</apiname></xref> functions.

These functions must be supported by the Telephony System plug-ins. </p> <p> </p> </context>

<steps id="GUID-AC3C5D8F-877E-5E1F-AA5F-AC8D3B7B3929">

<step id="GUID-0441C776-9C52-568A-9134-EEA3BCF2A2E4"><cmd>Get the current

selection settings using <xref href="GUID-AA81AFA4-6FAC-3B0D-A082-BE0AEC58CCA8.dita"><apiname>RMobilePhone::GetNetworkSelectionSetting()</apiname></xref>. </cmd>

</step>

<step id="GUID-34C098DA-0059-5A4E-9274-24B4254A8579"><cmd>Set new selection

settings using <xref href="GUID-AA81AFA4-6FAC-3B0D-A082-BE0AEC58CCA8.dita"><apiname>RMobilePhone::SetNetworkSelectionSetting()</apiname></xref>  </cmd>

</step>

<step id="GUID-BFAE5D8A-1FD0-5269-8806-35893471F1BF"><cmd>Use <xref href="GUID-AA81AFA4-6FAC-3B0D-A082-BE0AEC58CCA8.dita"><apiname>RMobilePhone::NotifyNetworkSelectionSettingChange()</apiname></xref> to get the notifications of any changes to the network selection settings. </cmd>

</step>

<step id="GUID-B6C13453-188F-5BEF-9B50-B9ADB9C18771"><cmd>Request the phone

to try network re-selection using <xref href="GUID-AA81AFA4-6FAC-3B0D-A082-BE0AEC58CCA8.dita"><apiname>RMobilePhone::SelectNetwork()</apiname></xref>. </cmd>

</step>

</steps>

<result id="GUID-86BFC7F9-F5FB-4347-82D1-20BD90147249"><p>Selection can be either automatic or manual depending on the value

of a <xref href="GUID-AA81AFA4-6FAC-3B0D-A082-BE0AEC58CCA8.dita"><apiname>RMobilePhone::TMobilePhoneNetworkManualSelection</apiname></xref> flag.

The selection information is encapsulated in a <xref href="GUID-AA81AFA4-6FAC-3B0D-A082-BE0AEC58CCA8.dita"><apiname>RMobilePhone::TMobilePhoneNetworkSelectionV1</apiname></xref> object. </p> <p> </p> </result>

<example><title>Network settings example</title> <p>The following code stores

in the variable <codeph>selection</codeph> whether the current network selection

method is automatic or manual. 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-EA7431BC-389B-57DE-A8A7-9732C586E203" xml:space="preserve">RMobilePhone::TMobilePhoneNetworkSelectionV1 mobilePhoneNetworkSelection;

RMobilePhone::TMobilePhoneNetworkSelectionV1Pckg mobilePhoneNetworkSelectionPckg(mobilePhoneNetworkSelection);

User::LeaveIfError(iMobilePhone.GetNetworkSelectionSetting(mobilePhoneNetworkSelectionPckg));

RMobilePhone::TMobilePhoneSelectionMethod selection = mobilePhoneNetworkSelection.iMethod;

</codeblock> </example>

</taskbody></task>