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<task id="GUID-DD8BFFF1-15C7-59B0-A107-C5CC90DBF4CC" xml:lang="en"><title>Pausing

and Resuming a Tone </title><shortdesc>The <codeph>CMMFDevSound::Pause()</codeph> function pauses the

play tone state. If the <codeph>CMMFDevSound::Resume()</codeph> function is

supported, you can then use it to continue playing.</shortdesc><prolog><metadata><keywords/></metadata></prolog><taskbody>

<context id="GUID-A4AE887E-00E7-4F51-A98B-06E170C7B404"><p>You can pause and resume tones played by calling any of the following

functions:</p><ul>

<li><p><xref href="GUID-B3E9B015-1413-35A6-A316-D1C01C1001AD.dita#GUID-B3E9B015-1413-35A6-A316-D1C01C1001AD/GUID-0849016F-D457-3521-A53A-85023D8561B8"><apiname>CMMFDevSound::PlayToneL(TInt,const TTimeIntervalMicroSeconds

&amp;)</apiname></xref> plays a single tone. </p></li>

<li><p><xref href="GUID-B3E9B015-1413-35A6-A316-D1C01C1001AD.dita#GUID-B3E9B015-1413-35A6-A316-D1C01C1001AD/GUID-D2C197B2-BB55-3B46-8F4D-FEDEE846B166"><apiname>CMMFDevSound::PlayDualToneL(TInt,TInt,const TTimeIntervalMicroSeconds

&amp;)</apiname></xref> plays a dual tone. </p></li>

<li><p><xref href="GUID-B3E9B015-1413-35A6-A316-D1C01C1001AD.dita#GUID-B3E9B015-1413-35A6-A316-D1C01C1001AD/GUID-3E9E0095-DC9A-3ABF-90E9-1B2ED469BBC4"><apiname>CMMFDevSound::PlayDTMFStringL(const TDesC &amp;)</apiname></xref> plays

a DTMF (Dual and Multi-Frequency) tone </p></li>

<li><p><xref href="GUID-B3E9B015-1413-35A6-A316-D1C01C1001AD.dita#GUID-B3E9B015-1413-35A6-A316-D1C01C1001AD/GUID-2B48CD01-DBD9-3669-8F79-0812FA03B0D3"><apiname>CMMFDevSound::PlayToneSequenceL(const TDesC8 &amp;)</apiname></xref> plays

a sequence of tones. </p></li>

</ul></context>

<steps id="GUID-2D5F15E0-975D-5CF3-BB5D-60F108B0B48E">

<step id="GUID-8F0EEDE1-9C9C-5C53-A359-33505C11D51C"><cmd>Check that the <codeph>Resume()</codeph> function

is supported using the <xref href="GUID-B3E9B015-1413-35A6-A316-D1C01C1001AD.dita#GUID-B3E9B015-1413-35A6-A316-D1C01C1001AD/GUID-FF81EF26-C315-395C-99EC-CE54B4FFCAA4"><apiname>CMMFDevSound::IsResumeSupported()</apiname></xref> function.</cmd>

</step>

<step id="GUID-73852361-98B0-533C-AB9C-27D946707C6B"><cmd>If the resume function

is supported, call the <xref href="GUID-B3E9B015-1413-35A6-A316-D1C01C1001AD.dita#GUID-B3E9B015-1413-35A6-A316-D1C01C1001AD/GUID-D9C071E1-9F7D-39C5-8B6E-34321A46D3A9"><apiname>CMMFDevSound::Pause()</apiname></xref> function to

pause the tone.</cmd>

</step>

<step id="GUID-8917B5C6-0176-573F-9A3E-64E89AB3632A"><cmd>Call the <xref href="GUID-B3E9B015-1413-35A6-A316-D1C01C1001AD.dita#GUID-B3E9B015-1413-35A6-A316-D1C01C1001AD/GUID-263CCA90-A3AA-31A0-A62B-795E5F988A17"><apiname>CMMFDevSound::Resume()</apiname></xref> function

to continue playing the tone. </cmd>

</step>

</steps>

</taskbody><related-links>

<link href="GUID-14BAAB7C-35CD-5A43-B362-79F88C7712DE.dita"><linktext>Playing a

Tone</linktext></link>

<link href="GUID-3AB05112-0580-5FD2-AD61-5721090062F8.dita"><linktext>Playing a

DTMF                 Tone</linktext></link>

<link href="GUID-93EF4862-2395-5ED7-8446-A7FDA60535B1.dita"><linktext>Playing a

Fixed                 Tone</linktext></link>

<link href="GUID-12A754EE-7D90-56C8-BDA7-3293F34BE456.dita"><linktext>Playing a

Tone                 Sequence</linktext></link>

</related-links></task>