2.2.0.25falsefalse0216 - Disclosure - Operating Segment Informationtruefalsefalse1falsefalseUSDfalsefalse1/1/2010 - 12/31/2010
USD ($) / shares
USD ($)
$Jan-01-2010_Dec-31-2010http://www.sec.gov/CIK0000790705duration2010-01-01T00:00:002010-12-31T00:00:00USDEPSDividehttp://www.xbrl.org/2003/iso4217USDiso4217http://www.xbrl.org/2003/instancesharesxbrli0USDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170SharesStandardhttp://www.xbrl.org/2003/instancesharesxbrli0USDUSD$2true0tklc_OperatingSegmentInformationAbstracttklcfalsenadurationOperating Segment Information.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse| 1falsefalsefalse00falsefalsefalsefalsefalse | Otherxbrli:stringItemTypestringOperating Segment Information.falsefalse
3false0us-gaap_SegmentReportingDisclosureTextBlockus-gaaptruenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel| 1falsefalsefalse00<!--DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd" -->
<!-- Begin Block Tagged Note 16 - us-gaap:SegmentReportingDisclosureTextBlock-->
<div style="font-family: 'Times New Roman',Times,serif">
<div align="left" style="font-size: 10pt; margin-top: 12pt"><b>Note 16 — Operating Segment Information</b>
</div>
<div align="left" style="font-size: 10pt; margin-top: 6pt">     We consider ourselves to be in a single reportable segment under the authoritative guidance
for segment reporting, specifically the development and sale of signaling and session management
telecommunications and related value added applications and services.
</div>
<!-- Folio -->
<!-- /Folio -->
</div>
<!-- PAGEBREAK -->
<div style="font-family: 'Times New Roman',Times,serif">
<div align="left" style="font-size: 10pt; margin-top: 12pt"><b>Enterprise Wide Disclosures</b>
</div>
<div align="left" style="font-size: 10pt; margin-top: 6pt">     Revenue is attributed to a particular geographic region based on where the products are
shipped or where the services are performed. The following tables set forth revenues from external
customers by our principal product lines, as well as revenues by domestic versus international
regions (in thousands):
</div>
<div align="center">
<table style="font-size: 10pt; text-align: left" cellspacing="0" border="0" cellpadding="0" width="100%">
<!-- Begin Table Head -->
<tr valign="bottom">
<td width="64%"> </td>
<td width="5%"> </td>
<td width="1%"> </td>
<td width="5%"> </td>
<td width="1%"> </td>
<td width="5%"> </td>
<td width="1%"> </td>
<td width="5%"> </td>
<td width="1%"> </td>
<td width="5%"> </td>
<td width="1%"> </td>
<td width="5%"> </td>
<td width="1%"> </td>
</tr>
<tr style="font-size: 8pt" valign="bottom">
<td> </td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="10" style="border-bottom: 1px solid #000000"><b>For the Years Ended December 31,</b></td>
<td> </td>
</tr>
<tr style="font-size: 8pt" valign="bottom">
<td> </td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="2" style="border-bottom: 1px solid #000000"><b>2010</b></td>
<td> </td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="2" style="border-bottom: 1px solid #000000"><b>2009</b></td>
<td> </td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="2" style="border-bottom: 1px solid #000000"><b>2008</b></td>
<td> </td>
</tr>
<!-- End Table Head -->
<!-- Begin Table Body -->
<tr valign="bottom" style="background: #cceeff">
<td>
<div style="margin-left:15px; text-indent:-15px">Product revenues:
</div></td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
</tr>
<tr valign="bottom">
<td>
<div style="margin-left:30px; text-indent:-15px">Eagle, number portability, and
other
session management products
</div></td>
<td> </td>
<td align="left">$</td>
<td align="right">245,512</td>
<td> </td>
<td> </td>
<td align="left">$</td>
<td align="right">277,818</td>
<td> </td>
<td> </td>
<td align="left">$</td>
<td align="right">298,560</td>
<td> </td>
</tr>
<tr valign="bottom" style="background: #cceeff">
<td>
<div style="margin-left:30px; text-indent:-15px">Performance management products
</div></td>
<td> </td>
<td> </td>
<td align="right">28,280</td>
<td> </td>
<td> </td>
<td> </td>
<td align="right">43,065</td>
<td> </td>
<td> </td>
<td> </td>
<td align="right">21,855</td>
<td> </td>
</tr>
<tr style="font-size: 1px">
<td>
<div style="margin-left:30px; text-indent:-15px"> 
</div></td>
<td> </td>
<td nowrap="nowrap" colspan="2" align="right" style="border-top: 1px solid #000000"> </td>
<td> </td>
<td> </td>
<td nowrap="nowrap" colspan="2" align="right" style="border-top: 1px solid #000000"> </td>
<td> </td>
<td> </td>
<td nowrap="nowrap" colspan="2" align="right" style="border-top: 1px solid #000000"> </td>
<td> </td>
</tr>
<tr valign="bottom">
<td>
<div style="margin-left:15px; text-indent:-15px">Total product revenues
</div></td>
<td> </td>
<td> </td>
<td align="right">273,792</td>
<td> </td>
<td> </td>
<td> </td>
<td align="right">320,883</td>
<td> </td>
<td> </td>
<td> </td>
<td align="right">320,415</td>
<td> </td>
</tr>
<tr valign="bottom" style="background: #cceeff">
<td>
<div style="margin-left:15px; text-indent:-15px">Warranty revenues
</div></td>
<td> </td>
<td> </td>
<td align="right">85,077</td>
<td> </td>
<td> </td>
<td> </td>
<td align="right">85,293</td>
<td> </td>
<td> </td>
<td> </td>
<td align="right">73,822</td>
<td> </td>
</tr>
<tr valign="bottom">
<td>
<div style="margin-left:15px; text-indent:-15px">Professional and other services
revenues
</div></td>
<td> </td>
<td> </td>
<td align="right">65,094</td>
<td> </td>
<td> </td>
<td> </td>
<td align="right">63,085</td>
<td> </td>
<td> </td>
<td> </td>
<td align="right">66,327</td>
<td> </td>
</tr>
<tr style="font-size: 1px">
<td>
<div style="margin-left:30px; text-indent:-15px"> 
</div></td>
<td> </td>
<td nowrap="nowrap" colspan="2" align="right" style="border-top: 1px solid #000000"> </td>
<td> </td>
<td> </td>
<td nowrap="nowrap" colspan="2" align="right" style="border-top: 1px solid #000000"> </td>
<td> </td>
<td> </td>
<td nowrap="nowrap" colspan="2" align="right" style="border-top: 1px solid #000000"> </td>
<td> </td>
</tr>
<tr valign="bottom" style="background: #cceeff">
<td>
<div style="margin-left:45px; text-indent:-15px">Total revenues
</div></td>
<td> </td>
<td align="left">$</td>
<td align="right">423,963</td>
<td> </td>
<td> </td>
<td align="left">$</td>
<td align="right">469,261</td>
<td> </td>
<td> </td>
<td align="left">$</td>
<td align="right">460,564</td>
<td> </td>
</tr>
<tr style="font-size: 1px">
<td>
<div style="margin-left:30px; text-indent:-15px"> 
</div></td>
<td> </td>
<td nowrap="nowrap" colspan="2" align="right" style="border-top: 3px double #000000"> </td>
<td> </td>
<td> </td>
<td nowrap="nowrap" colspan="2" align="right" style="border-top: 3px double #000000"> </td>
<td> </td>
<td> </td>
<td nowrap="nowrap" colspan="2" align="right" style="border-top: 3px double #000000"> </td>
<td> </td>
</tr>
<tr valign="bottom"><!-- Blank Space -->
<td>
<div style="margin-left:15px; text-indent:-15px"> 
</div></td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
</tr>
<!-- End Table Body -->
</table>
</div>
<div align="center">
<table style="font-size: 10pt; text-align: left" cellspacing="0" border="0" cellpadding="0" width="100%">
<!-- Begin Table Head -->
<tr valign="bottom">
<td width="64%"> </td>
<td width="5%"> </td>
<td width="1%"> </td>
<td width="5%"> </td>
<td width="1%"> </td>
<td width="5%"> </td>
<td width="1%"> </td>
<td width="5%"> </td>
<td width="1%"> </td>
<td width="5%"> </td>
<td width="1%"> </td>
<td width="5%"> </td>
<td width="1%"> </td>
</tr>
<tr style="font-size: 8pt" valign="bottom">
<td> </td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="10" style="border-bottom: 1px solid #000000"><b>For the Years Ended December 31,</b></td>
<td> </td>
</tr>
<tr style="font-size: 8pt" valign="bottom">
<td> </td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="2" style="border-bottom: 1px solid #000000"><b>2010</b></td>
<td> </td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="2" style="border-bottom: 1px solid #000000"><b>2009</b></td>
<td> </td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="2" style="border-bottom: 1px solid #000000"><b>2008</b></td>
<td> </td>
</tr>
<!-- End Table Head -->
<!-- Begin Table Body -->
<tr valign="bottom" style="background: #cceeff">
<td>
<div style="margin-left:15px; text-indent:-15px">US
</div></td>
<td> </td>
<td align="left">$</td>
<td align="right">161,260</td>
<td> </td>
<td> </td>
<td align="left">$</td>
<td align="right">183,430</td>
<td> </td>
<td> </td>
<td align="left">$</td>
<td align="right">163,724</td>
<td> </td>
</tr>
<tr valign="bottom">
<td>
<div style="margin-left:15px; text-indent:-15px">International<sup style="font-size: 85%; vertical-align: text-top">(1)</sup>
</div></td>
<td> </td>
<td> </td>
<td align="right">262,703</td>
<td> </td>
<td> </td>
<td> </td>
<td align="right">285,831</td>
<td> </td>
<td> </td>
<td> </td>
<td align="right">296,840</td>
<td> </td>
</tr>
<tr style="font-size: 1px">
<td>
<div style="margin-left:15px; text-indent:-15px"> 
</div></td>
<td> </td>
<td nowrap="nowrap" colspan="2" align="right" style="border-top: 1px solid #000000"> </td>
<td> </td>
<td> </td>
<td nowrap="nowrap" colspan="2" align="right" style="border-top: 1px solid #000000"> </td>
<td> </td>
<td> </td>
<td nowrap="nowrap" colspan="2" align="right" style="border-top: 1px solid #000000"> </td>
<td> </td>
</tr>
<tr valign="bottom" style="background: #cceeff">
<td>
<div style="margin-left:30px; text-indent:-15px">Total revenues
</div></td>
<td> </td>
<td align="left">$</td>
<td align="right">423,963</td>
<td> </td>
<td> </td>
<td align="left">$</td>
<td align="right">469,261</td>
<td> </td>
<td> </td>
<td align="left">$</td>
<td align="right">460,564</td>
<td> </td>
</tr>
<tr style="font-size: 1px">
<td>
<div style="margin-left:15px; text-indent:-15px"> 
</div></td>
<td> </td>
<td nowrap="nowrap" colspan="2" align="right" style="border-top: 3px double #000000"> </td>
<td> </td>
<td> </td>
<td nowrap="nowrap" colspan="2" align="right" style="border-top: 3px double #000000"> </td>
<td> </td>
<td> </td>
<td nowrap="nowrap" colspan="2" align="right" style="border-top: 3px double #000000"> </td>
<td> </td>
</tr>
<!-- End Table Body -->
</table>
</div>
<div align="left">
<div style="font-size: 3pt; margin-top: 16pt; width: 18%; border-top: 1px solid #000000"> 
</div>
</div>
<table width="100%" border="0" cellpadding="0" cellspacing="0" style="font-size: 10pt; text-align: left">
<tr>
<td width="3%"></td>
<td width="1%"></td>
<td width="96%"></td>
</tr>
<tr valign="top">
<td nowrap="nowrap" align="left"><sup style="font-size: 85%; vertical-align: text-top">(1)</sup></td>
<td> </td>
<td>For 2008, international revenues include revenues from Brazil of $50.9
million, or 11% of total revenues, and for 2010, international revenues include revenues
from India of $45.9 million, or 11% of total revenues.</td>
</tr>
</table>
<div align="left" style="font-size: 10pt; margin-top: 6pt">     In 2010, sales to AT&T represented 18% of our revenues. In 2009, sales to AT&T represented
14% of our revenues, and sales to Verizon represented 10% of our revenues. Additionally, combined
sales to the Orange Group and an affiliate represented 10% of our revenues in each of 2009 and
2008.
</div>
<div align="left" style="font-size: 10pt; margin-top: 6pt">     The following table sets forth, as of December 31, 2010 and 2009, our long-lived assets
including net property and equipment, investments in privately held companies and other assets by
geographic area:
</div>
<div align="center">
<table style="font-size: 10pt; text-align: left" cellspacing="0" border="0" cellpadding="0" width="100%">
<!-- Begin Table Head -->
<tr valign="bottom">
<td width="76%"> </td>
<td width="5%"> </td>
<td width="1%"> </td>
<td width="5%"> </td>
<td width="1%"> </td>
<td width="5%"> </td>
<td width="1%"> </td>
<td width="5%"> </td>
<td width="1%"> </td>
</tr>
<tr style="font-size: 8pt" valign="bottom">
<td> </td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="2" style="border-bottom: 1px solid #000000"><b>2010</b></td>
<td> </td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="2" style="border-bottom: 1px solid #000000"><b>2009</b></td>
<td> </td>
</tr>
<tr style="font-size: 8pt" valign="bottom">
<td> </td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="6"><b>(Thousands)</b></td>
<td> </td>
</tr>
<!-- End Table Head -->
<!-- Begin Table Body -->
<tr valign="bottom" style="background: #cceeff">
<td>
<div style="margin-left:15px; text-indent:-15px">United States
</div></td>
<td> </td>
<td align="left">$</td>
<td align="right">30,836</td>
<td> </td>
<td> </td>
<td align="left">$</td>
<td align="right">29,587</td>
<td> </td>
</tr>
<tr valign="bottom">
<td>
<div style="margin-left:15px; text-indent:-15px">Other
</div></td>
<td> </td>
<td> </td>
<td align="right">7,840</td>
<td> </td>
<td> </td>
<td> </td>
<td align="right">7,341</td>
<td> </td>
</tr>
<tr style="font-size: 1px">
<td>
<div style="margin-left:15px; text-indent:-15px"> 
</div></td>
<td> </td>
<td nowrap="nowrap" colspan="2" align="right" style="border-top: 1px solid #000000"> </td>
<td> </td>
<td> </td>
<td nowrap="nowrap" colspan="2" align="right" style="border-top: 1px solid #000000"> </td>
<td> </td>
</tr>
<tr valign="bottom" style="background: #cceeff">
<td>
<div style="margin-left:30px; text-indent:-15px">Total long-lived assets
</div></td>
<td> </td>
<td align="left">$</td>
<td align="right">38,676</td>
<td> </td>
<td> </td>
<td align="left">$</td>
<td align="right">36,928</td>
<td> </td>
</tr>
<tr style="font-size: 1px">
<td>
<div style="margin-left:15px; text-indent:-15px"> 
</div></td>
<td> </td>
<td nowrap="nowrap" colspan="2" align="right" style="border-top: 3px double #000000"> </td>
<td> </td>
<td> </td>
<td nowrap="nowrap" colspan="2" align="right" style="border-top: 3px double #000000"> </td>
<td> </td>
</tr>
<!-- End Table Body -->
</table>
</div>
<!-- Folio -->
<!-- /Folio -->
</div>
<!-- PAGEBREAK -->
<div style="font-family: 'Times New Roman',Times,serif">
</div>
<!--DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd" -->
<!-- Begin Block Tagged Notefalsefalsefalsefalsefalse | Otherus-types:textBlockItemTypestringThis element may be used to capture the complete disclosure of reporting segments including data and tables. Reportable segments include those that meet any of the following quantitative thresholds a) it's reported revenue, including sales to external customers and intersegment sales or transfers is 10% or more of the combined revenue, internal and external, of all operating segments b) the absolute amount of its reported profit or loss is 10 percent or more of the greater, in absolute amount of 1) the combined reported profit of all operating segments that did not report a loss or 2) the combined reported loss of all operating segments that did report a loss c) its assets are 10 percent or more of the combined assets of all operating segments.Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 131
falsefalse
12Operating Segment InformationUnKnownUnKnownUnKnownUnKnownfalsetrue