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<!DOCTYPE concept
  PUBLIC "-//OASIS//DTD DITA Concept//EN" "concept.dtd">
<concept id="GUID-5E95D090-582E-536A-AE93-8C5312618E76" xml:lang="en"><title>Line and Call
Status Tutorial</title><shortdesc>This tutorial describes how the client applications can retrieve
the call and line information from the telephony API for applications. </shortdesc><prolog><metadata><keywords/></metadata></prolog><conbody>

<p>The telephony application for application can be used to retrieve the information
about different types of lines like voice, data and fax. The methods of the
CTelephony class are used to retrieve the information. The client applications
can get simple line status for data and fax calls and for voice calls more
detailed information is available. This tutorial describes the different types
of information that can be retrieved by the client applications. </p>
</conbody></concept>