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<TITLE>sv8</TITLE>
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<H5 align="left" style="page-break-before:always"><A HREF="#toc">Table of Contents</A></H5><P>
<DIV style="font-family: 'Times New Roman',Times,serif">


<DIV align="right" style="font-size: 10pt; margin-top: 12pt">As filed
with the Securities and Exchange Commission on January&nbsp;24, 2007
</DIV>


<DIV align="right" style="font-size: 10pt; margin-top: 12pt">Registration No.&nbsp;333-<U>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</U>
</DIV>


<DIV style="width: 100%; border-bottom: 2pt solid black; font-size: 1pt">&nbsp;</DIV>
<DIV style="width: 100%; border-bottom: 1pt solid black; font-size: 1pt">&nbsp;</DIV>






<DIV align="center" style="font-size: 12pt"><B>SECURITIES AND EXCHANGE COMMISSION</B>
</DIV>

<DIV align="center" style="font-size: 18pt; margin-top: 12pt"><B>Washington, D.C. 20549</B>
</DIV>

<DIV align="center"><DIV style="font-size: 3pt; margin-top: 1pt; width: 26%; border-top: 1px solid #000000">&nbsp;</DIV></DIV>

<DIV align="center" style="font-size: 18pt; margin-top: 12pt"><B>FORM S-8</B>
</DIV>


<DIV align="center" style="font-size: 12pt; margin-top: 12pt"><B>REGISTRATION STATEMENT<BR>
Under<BR>
The Securities Act of 1933</B>
</DIV>

<DIV align="center"><DIV style="font-size: 3pt; margin-top: 1pt; width: 26%; border-top: 1px solid #000000">&nbsp;</DIV></DIV>

<DIV align="center" style="font-size: 24pt; margin-top: 12pt"><B>CATAPULT COMMUNICATIONS CORPORATION</B>
</DIV>

<DIV align="center" style="font-size: 10pt"><B>(Exact name of Registrant as specified in its charter)</B></DIV>


<DIV align="center">
<TABLE style="font-size: 10pt" cellspacing="0" border="0" cellpadding="0" width="100%">
<!-- Begin Table Head -->
<TR valign="bottom">
    <TD width="47%">&nbsp;</TD>
    <TD width="5%">&nbsp;</TD>
    <TD width="47%">&nbsp;</TD>
</TR>
<!-- End Table Head -->
<!-- Begin Table Body -->
<TR valign="bottom">
    <TD align="center" valign="top"><B>Nevada</B>
</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top"><B>77-0086010</B></TD>
</TR>
<TR valign="bottom">
    <TD align="center" valign="top"><B>(State or other jurisdiction of</B>
</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top"><B>(I.R.S. Employer</B></TD>
</TR>
<TR valign="bottom">
    <TD align="center" valign="top"><B>incorporation or organization)</B>
</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top"><B>Identification Number)</B></TD>
</TR>
<!-- End Table Body -->
</TABLE>
</DIV>

<DIV align="center" style="font-size: 10pt; margin-top: 12pt"><B>160 South Whisman Road<BR>
Mountain View, California 94041<BR>
(650)&nbsp;960-1025</B></DIV>

<DIV align="center" style="font-size: 10pt; margin-top: 12pt"><B>(Address, including zip code, and telephone number, including area code, of Registrant&#146;s principal executive offices)</B></DIV>

<DIV align="center"><DIV style="font-size: 3pt; margin-top: 16pt; width: 26%; border-top: 1px solid #000000">&nbsp;</DIV></DIV>

<DIV align="center" style="font-size: 10pt; margin-top: 12pt"><B>1998 STOCK PLAN</B></DIV>

<DIV align="center" style="font-size: 10pt; margin-top: 6pt"><B>(Full title of the plans)</B></DIV>

<DIV align="center"><DIV style="font-size: 3pt; margin-top: 16pt; width: 26%; border-top: 1px solid #000000">&nbsp;</DIV></DIV>

<DIV align="center" style="font-size: 10pt; margin-top: 12pt">Christopher Stephenson<BR>
Vice President,<BR>
Chief Financial Officer and Secretary<BR>
CATAPULT COMMUNICATIONS<BR>CORPORATION<BR>
160 South Whisman Road<BR>
Mountain View, California 94041<BR>
(650)&nbsp;960-1025</DIV>


<DIV align="center" style="font-size: 10pt; margin-top: 18pt"><B>(Name, address and telephone number of agent for service)</B>
</DIV>

<DIV align="center"><DIV style="font-size: 3pt; margin-top: 16pt; width: 26%; border-top: 1px solid #000000">&nbsp;</DIV></DIV>

<DIV align="center" style="font-size: 10pt; margin-top: 12pt">Copies to:</DIV>

<DIV align="center" style="font-size: 10pt; margin-top: 12pt">HENRY P. MASSEY, JR., ESQ.<BR>
Wilson Sonsini Goodrich &#038; Rosati<BR>
Professional Corporation<BR>
650 Page Mill Road<BR>
Palo Alto, CA 94304-1050<BR>
(650)&nbsp;493-9300</DIV>


<DIV align="center" style="font-size: 10pt; margin-top: 18pt">CALCULATION OF REGISTRATION FEE
</DIV>

<DIV align="center">
<TABLE style="font-size: 10pt" cellspacing="0" border="0" cellpadding="0" width="100%">
<!-- Begin Table Head -->
<TR valign="bottom">
    <TD width="1%">&nbsp;</TD>
    <TD width="35%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD><!-- VRule -->
    <TD width="1%">&nbsp;</TD>
    <TD width="22%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD><!-- VRule -->
    <TD width="1%">&nbsp;</TD>
    <TD width="10%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD><!-- VRule -->
    <TD width="1%">&nbsp;</TD>
    <TD width="19%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD><!-- VRule -->
    <TD width="1%">&nbsp;</TD>
    <TD width="9%">&nbsp;</TD>

    <TD width="1%">&nbsp;</TD>
</TR><TR style="font-size: 1px" valign="bottom">
    <TD nowrap align="left" colspan="15" style="border-bottom: 3px double #000000">&nbsp;</TD>
</TR>
<TR style="font-size: 8pt" valign="bottom">    <TD width="1%">&nbsp;</TD>

    <TD>&nbsp;</TD>
    <TD style="border-right: 2px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD style="border-right: 2px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center">Proposed</TD>
    <TD style="border-right: 2px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center">Proposed</TD>
    <TD style="border-right: 2px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
</TR>
<TR style="font-size: 8pt" valign="bottom">    <TD width="1%">&nbsp;</TD>

    <TD nowrap align="center">Title of</TD>
    <TD style="border-right: 2px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD style="border-right: 2px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center">Maximum</TD>
    <TD style="border-right: 2px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center">Maximum</TD>
    <TD style="border-right: 2px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
</TR>
<TR style="font-size: 8pt" valign="bottom">    <TD width="1%">&nbsp;</TD>

    <TD nowrap align="center">Securities</TD>
    <TD style="border-right: 2px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center">Amount</TD>
    <TD style="border-right: 2px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center">Offering</TD>
    <TD style="border-right: 2px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center">Aggregate</TD>
    <TD style="border-right: 2px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center">Amount of</TD>
    <TD width="1%">&nbsp;</TD>
</TR>
<TR style="font-size: 8pt" valign="bottom">    <TD width="1%">&nbsp;</TD>

    <TD nowrap align="center">to be</TD>
    <TD style="border-right: 2px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center">to be</TD>
    <TD style="border-right: 2px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center">Price</TD>
    <TD style="border-right: 2px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center">Offering</TD>
    <TD style="border-right: 2px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center">Registration</TD>
    <TD width="1%">&nbsp;</TD>
</TR>
<TR style="font-size: 8pt" valign="bottom">    <TD width="1%">&nbsp;</TD>

    <TD nowrap align="center">Registered</TD>
    <TD style="border-right: 2px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center">Registered</TD>
    <TD style="border-right: 2px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center">Per Share</TD>
    <TD style="border-right: 2px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center">Price</TD>
    <TD style="border-right: 2px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center">Fee</TD>
    <TD width="1%">&nbsp;</TD>
</TR>

<!-- End Table Head -->
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<TR valign="bottom">
    <TD width="1%" style="border-top: 2px solid #000000">&nbsp;</TD>
                    <TD style="border-top: 2px solid #000000"><DIV style="margin-left:15px; text-indent:-15px">Common Stock, $.001
per share par
value: to be
issued under the
1998 Stock Plan (1)</DIV></TD>
    <TD style="border-right: 2px solid #000000; border-top: 2px solid #000000">&nbsp;</TD>
    <TD style="border-top: 2px solid #000000">&nbsp;</TD>
    <TD align="center" valign="bottom" style="border-top: 2px solid #000000">1,000,000 shares</TD>
    <TD style="border-right: 2px solid #000000; border-top: 2px solid #000000">&nbsp;</TD>
    <TD style="border-top: 2px solid #000000">&nbsp;</TD>
    <TD align="center" valign="bottom" style="border-top: 2px solid #000000">$8.82(2)</TD>
    <TD style="border-right: 2px solid #000000; border-top: 2px solid #000000">&nbsp;</TD>
    <TD style="border-top: 2px solid #000000">&nbsp;</TD>
    <TD align="center" valign="bottom" style="border-top: 2px solid #000000">$8,820,000.00</TD>
    <TD style="border-right: 2px solid #000000; border-top: 2px solid #000000">&nbsp;</TD>
    <TD style="border-top: 2px solid #000000">&nbsp;</TD>
    <TD align="center" valign="bottom" style="border-top: 2px solid #000000">$943.74</TD>
    <TD width="1%" style="border-top: 2px solid #000000">&nbsp;</TD>
</TR>
<TR style="font-size: 1px" valign="bottom">
    <TD nowrap align="left" colspan="15" style="border-top: 3px double #000000">&nbsp;</TD>
</TR>

<!-- End Table Body -->
</TABLE>
</DIV>


<DIV align="left">
<DIV style="font-size: 3pt; margin-top: 0pt; width: 18%; border-top: 0px solid #000000">&nbsp;</DIV>
</DIV>

<TABLE width="100%" border="0" cellpadding="0" cellspacing="0" style="font-size: 10pt">
<TR>
    <TD width="3%"></TD>
    <TD width="1%"></TD>
    <TD width="96"></TD>
</TR>

<TR valign="top">
    <TD nowrap align="left">(1)</TD>
    <TD>&nbsp;</TD>
    <TD>Pursuant to Rule 416(a) of the Securities Act of 1933, as amended (the &#147;Securities Act&#148;),
this Registration Statement shall also cover any additional shares of the Registrant&#146;s Common
Stock that become issuable under the 1998 Stock Plan by reason of any stock dividend, stock
split, recapitalization or other similar transaction affected without the receipt of
consideration that increases the number of the Registrant&#146;s outstanding shares of Common
Stock.</TD>
</TR>

<TR style="font-size: 3pt"><TD>&nbsp;</TD></TR>

<TR valign="top">
    <TD nowrap align="left">(2)</TD>
    <TD>&nbsp;</TD>
    <TD>Estimated in accordance with Rule 457(c) and (h)&nbsp;under the Securities Act, solely for the
purpose of computing the amount of the registration fee and is equal to the average of the
high and low sales price of a share of the Registrant&#146;s Common Stock as reported by the Nasdaq
Global Select Market on January&nbsp;17, 2007, which is a date within five business days prior to
filing this Registration Statement.</TD>
</TR>

</TABLE>



<DIV style="width: 100%; border-bottom: 1pt solid black; margin-top: 10pt; font-size: 1pt">&nbsp;</DIV>
<DIV style="width: 100%; border-bottom: 2pt solid black; font-size: 1pt">&nbsp;</DIV>





<P align="center" style="font-size: 10pt"><!-- Folio -->&nbsp;<!-- /Folio -->
</DIV>

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<DIV style="font-family: 'Times New Roman',Times,serif">












<!-- TOC -->
<A name="toc"><DIV align="CENTER" style="page-break-before:always"><U><B>TABLE OF CONTENTS</B></U></DIV></A>

<P><CENTER>
<TABLE border="0" width="90%" cellpadding="0" cellspacing="0">
<TR>
	<TD width="3%"></TD>
	<TD width="3%"></TD>
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	<TD width="76%"></TD>
</TR>
<TR><TD colspan="9"><A HREF="#000"> PART II: INFORMATION REQUIRED IN REGISTRATION STATEMENT</A></TD></TR>
<TR><TD></TD><TD colspan="8"><A HREF="#001">Item&nbsp;8. Exhibits</A></TD></TR>
<TR><TD colspan="9"><A HREF="#002">SIGNATURES</A></TD></TR>
<TR><TD colspan="9"><A HREF="#003"> INDEX TO EXHIBITS</A></TD></TR>
<TR><TD colspan="9"><A HREF="f26632exv5w1.htm">EXHIBIT 5.1</A></TD></TR>
<TR><TD colspan="9"><A HREF="f26632exv23w2.htm">EXHIBIT 23.2</A></TD></TR>
<TR><TD colspan="9"><A HREF="f26632exv23w3.htm">EXHIBIT 23.3</A></TD></TR>
</TABLE>
</CENTER>
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<H5 align="left" style="page-break-before:always"><A HREF="#toc">Table of Contents</A></H5><P>







<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The contents of the Registrant&#146;s Registration Statement on Form S-8 as filed with the
Commission on March&nbsp;31, 1999 (File No.&nbsp;333-75367) and Registration Statement on Form S-8 as filed
with the Commission on August&nbsp;12, 2003 (File No.&nbsp;333-107863) are incorporated herein by reference.
</DIV>

<DIV align="center" style="font-size: 10pt; margin-top: 18pt">* * * * * *
</DIV>

<!-- link1 " PART II: INFORMATION REQUIRED IN REGISTRATION STATEMENT" -->
<DIV align="left"><A NAME="000"></A></DIV>

<DIV align="center" style="font-size: 10pt; margin-top: 18pt"><B>PART II: INFORMATION REQUIRED IN REGISTRATION STATEMENT</B>
</DIV>

<!-- link2 "Item&nbsp;8. Exhibits" -->
<DIV align="left"><A NAME="001"></A></DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 12pt"><B>Item&nbsp;8. Exhibits</B>
</DIV>

<DIV align="center">
<TABLE style="font-size: 10pt" cellspacing="0" border="0" cellpadding="0" width="100%">
<!-- Begin Table Head -->
<TR valign="bottom">
    <TD width="5%">&nbsp;</TD>
    <TD width="3%">&nbsp;</TD>
    <TD width="92%">&nbsp;</TD>
</TR>
<TR style="font-size: 8pt" valign="bottom">
    <TD nowrap align="center"><B>Exhibit</B></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center">&nbsp;</TD>
</TR>
<TR style="font-size: 8pt" valign="bottom">
    <TD nowrap align="center" style="border-bottom: 1px solid #000000"><B>Number</B></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" style="border-bottom: 1px solid #000000"><B>Documents</B></TD>
</TR>

<!-- End Table Head -->
<!-- Begin Table Body -->
<TR valign="bottom">
    <TD align="right" valign="top"><DIV style="margin-left:0px; text-indent:-0px">4.1
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Catapult Communications Corporation&#146;s 1998 Stock Plan, as amended
and restated through January&nbsp;24, 2006*</TD>
</TR>
<TR valign="bottom">
    <TD align="right" valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD align="right" valign="top"><DIV style="margin-left:0px; text-indent:-0px">5.1
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Opinion of Counsel as to legality of securities being registered</TD>
</TR>
<TR valign="bottom">
    <TD align="right" valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD align="right" valign="top"><DIV style="margin-left:0px; text-indent:-0px">23.1
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Consent of Counsel (contained in Exhibit&nbsp;5.1)</TD>
</TR>
<TR valign="bottom">
    <TD align="right" valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD align="right" valign="top"><DIV style="margin-left:0px; text-indent:-0px">23.2
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Consent of PricewaterhouseCoopers LLP, Independent Registered
Public Accounting Firm</TD>
</TR>
<TR valign="bottom">
    <TD align="right" valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD align="right" valign="top"><DIV style="margin-left:0px; text-indent:-0px">23.3
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Consent of Deloitte &#038; Touche LLP, Independent Registered Public
Accounting Firm</TD>
</TR>
<TR valign="bottom">
    <TD align="right" valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD align="right" valign="top"><DIV style="margin-left:0px; text-indent:-0px">24.1
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Power of Attorney (contained on signature page)</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">&nbsp;</DIV>
</DIV>

<TABLE width="100%" border="0" cellpadding="0" cellspacing="0" style="font-size: 10pt">
<TR>
    <TD width="3%"></TD>
    <TD width="1%"></TD>
    <TD width="96"></TD>
</TR>

<TR valign="top">
    <TD nowrap align="left">*</TD>
    <TD>&nbsp;</TD>
    <TD>Incorporated by reference to Exhibit&nbsp;10.2 to our Current Report on Form 8-K dated
January&nbsp;30, 2006.</TD>
</TR>

</TABLE>


<P align="center" style="font-size: 10pt"><!-- Folio -->2<!-- /Folio -->
</DIV>

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<DIV style="font-family: 'Times New Roman',Times,serif">


<!-- link1 "SIGNATURES" -->
<DIV align="left"><A NAME="002"></A></DIV>




<DIV align="center" style="font-size: 10pt; margin-top: 18pt"><B>SIGNATURES</B>
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Pursuant to the requirements of the Securities Act of 1933, the Registrant, Catapult
Communications Corporation, a corporation organized and existing under the laws of the State of
Nevada, certifies that it has reasonable grounds to believe that it meets all of the requirements
for filing on Form S-8 and has duly caused this Registration Statement to be signed on its behalf
by the undersigned, thereunto duly authorized, in the City of Mountain View, State of California,
on January&nbsp;24, 2007.
</DIV>

<TABLE width="100%" border="0" cellspacing="0" cellpadding="0" style="font-size: 10pt">
<TR>
    <TD width="48%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="35%">&nbsp;</TD>
    <TD width="15%">&nbsp;</TD>
</TR>
<TR>
    <TD valign="top" align="left">&nbsp;</TD>
    <TD colspan="3" align="left" nowrap>CATAPULT COMMUNICATIONS CORPORATION</TD>
    <TD>&nbsp;</TD>
</TR>

<TR>
<TD>&nbsp;</TD></TR>
<TR>
    <TD align="left">&nbsp;</TD>
    <TD valign="top">By:&nbsp;&nbsp;</TD>
    <TD colspan="2" style="border-bottom: 1px solid #000000" align="left">/s/ Christopher Stephenson
&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR><TR>
    <TD align="left">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD colspan="2" align="left">Christopher Stephenson, Vice President and Chief&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR><TR>
    <TD align="left">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD colspan="2" align="left">Financial Officer&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR>
    <TD colspan="5">&nbsp;</TD>
</TR>
</TABLE>


<P align="center" style="font-size: 10pt"><!-- Folio -->3<!-- /Folio -->
</DIV>

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<DIV style="font-family: 'Times New Roman',Times,serif">




<DIV align="center" style="font-size: 10pt; margin-top: 18pt"><B>POWER OF ATTORNEY</B>
</DIV>



<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;KNOW ALL PERSONS BY THESE PRESENTS, that each person whose signature appears below constitutes
and appoints Richard A. Karp and Christopher Stephenson, his or her true and lawful
attorney-in-fact and agent, with full power of substitution and resubstitution, to sign any and all
amendments (including post-effective amendments) to this Registration Statement on Form S-8 and to
file the same, with all exhibits thereto and other documents in connection therewith, with the
Securities and Exchange Commission, granting unto said attorney-in-fact and agent, full power and
authority to do and perform each and every act and thing requisite and necessary to be done in
connection therewith, as fully to all intents and purposes as he or she might or could do in
person, hereby ratifying and confirming all that said attorney-in-fact and agent, or his or her
substitute or substitutes, or any of them, shall do or cause to be done by virtue hereof.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Pursuant to the requirements of the Securities Exchange Act of 1933, this Registration
Statement has been signed below by the following persons on behalf of the registrant and in the
capacities and on the dates indicated.
</DIV>
<DIV align="center">
<TABLE style="font-size: 10pt" cellspacing="0" border="0" cellpadding="0" width="100%">
<!-- Begin Table Head -->
<TR valign="bottom">
    <TD width="43%">&nbsp;</TD>
    <TD width="2%">&nbsp;</TD>
    <TD width="30%">&nbsp;</TD>
    <TD width="2%">&nbsp;</TD>
    <TD width="20%">&nbsp;</TD>
</TR>
<TR style="font-size: 8pt" valign="bottom">
    <TD nowrap align="center" style="border-bottom: 1px solid #000000"><B>Signature</B></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" style="border-bottom: 1px solid #000000"><B>Title</B></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" style="border-bottom: 1px solid #000000"><B>Date</B></TD>
</TR>

<!-- End Table Head -->
<!-- Begin Table Body -->

<TR valign="bottom">
    <TD>&nbsp;</TD>
</TR>


<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">/s/ Richard A. Karp
<DIV style="font-size: 1pt; border-top: 1px solid #000000">&nbsp;</DIV>
(Richard A. Karp)
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Director, Chairman of the
Board, Chief
Executive Officer
(Principal Executive
Officer)
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">January&nbsp;24, 2007</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">/s/ Christopher Stephenson
<DIV style="font-size: 1pt; border-top: 1px solid #000000">&nbsp;</DIV>
(Christopher Stephenson)
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Vice President and Chief
Financial Officer
(Principal Financial
Officer)
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">January&nbsp;24, 2007</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">/s/ Peter S. Cross
<DIV style="font-size: 1pt; border-top: 1px solid #000000">&nbsp;</DIV>
(Peter S. Cross)
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Director
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">January&nbsp;24, 2007</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">/s/ R. Stephen Heinrichs
<DIV style="font-size: 1pt; border-top: 1px solid #000000">&nbsp;</DIV>
(R. Stephen Heinrichs)
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Director
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">January&nbsp;24, 2007</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">/s/ Nancy H. Karp
<DIV style="font-size: 1pt; border-top: 1px solid #000000">&nbsp;</DIV>
(Nancy H. Karp)
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Director
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">January&nbsp;24, 2007</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">/s/ Henry P. Massey, Jr.
<DIV style="font-size: 1pt; border-top: 1px solid #000000">&nbsp;</DIV>
(Henry P. Massey, Jr.)
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Director
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">January&nbsp;24, 2007</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">/s/ John M. Scandalios
<DIV style="font-size: 1pt; border-top: 1px solid #000000">&nbsp;</DIV>
(John M. Scandalios)
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Director
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">January&nbsp;24, 2007</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">/s/ Charles L Waggoner
<DIV style="font-size: 1pt; border-top: 1px solid #000000">&nbsp;</DIV>
(Charles L. Waggoner)
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Director
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">January&nbsp;24, 2007</TD>
</TR>
<!-- End Table Body -->
</TABLE>
</DIV>


<P align="center" style="font-size: 10pt"><!-- Folio -->4<!-- /Folio -->
</DIV>

<!-- PAGEBREAK -->
<P><HR noshade><P>
<H5 align="left" style="page-break-before:always"><A HREF="#toc">Table of Contents</A></H5><P>

<DIV style="font-family: 'Times New Roman',Times,serif">


<DIV align="center" style="font-size: 10pt; margin-top: 18pt"><B>CATAPULT COMMUNICATIONS CORPORATION</B>
</DIV>

<DIV align="center" style="font-size: 10pt; margin-top: 6pt"><U><B>REGISTRATION STATEMENT ON FORM S-8</B></U>
</DIV>

<!-- link1 " INDEX TO EXHIBITS" -->
<DIV align="left"><A NAME="003"></A></DIV>

<DIV align="center" style="font-size: 10pt; margin-top: 18pt"><B>INDEX TO EXHIBITS</B>
</DIV>

<DIV align="center">
<TABLE style="font-size: 10pt" cellspacing="0" border="0" cellpadding="0" width="100%">
<!-- Begin Table Head -->
<TR valign="bottom">
    <TD width="5%">&nbsp;</TD>
    <TD width="2%">&nbsp;</TD>
    <TD width="93%">&nbsp;</TD>
</TR>
<TR style="font-size: 8pt" valign="bottom">
    <TD nowrap align="center"><B>Exhibit</B></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center">&nbsp;</TD>
</TR>
<TR style="font-size: 8pt" valign="bottom">
    <TD nowrap align="center" style="border-bottom: 1px solid #000000"><B>Number</B></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" style="border-bottom: 1px solid #000000"><B>Description</B></TD>
</TR>

<!-- End Table Head -->
<!-- Begin Table Body -->
<TR valign="bottom">
    <TD align="right" valign="top"><DIV style="margin-left:0px; text-indent:-0px">4.1
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Catapult Communications Corporation&#146;s 1998 Stock Plan, as amended
and restated through January&nbsp;24, 2006*</TD>
</TR>
<TR valign="bottom">
    <TD align="right" valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD align="right" valign="top"><DIV style="margin-left:0px; text-indent:-0px">5.1
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Opinion of Counsel as to legality of securities being registered</TD>
</TR>
<TR valign="bottom">
    <TD align="right" valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD align="right" valign="top"><DIV style="margin-left:0px; text-indent:-0px">23.1
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Consent of Counsel (contained in Exhibit&nbsp;5.1)</TD>
</TR>
<TR valign="bottom">
    <TD align="right" valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD align="right" valign="top"><DIV style="margin-left:0px; text-indent:-0px">23.2
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Consent of PricewaterhouseCoopers LLP, Independent Registered
Public Accounting Firm</TD>
</TR>
<TR valign="bottom">
    <TD align="right" valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD align="right" valign="top"><DIV style="margin-left:0px; text-indent:-0px">23.3
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Consent of Deloitte &#038; Touche LLP, Independent Registered Public
Accounting Firm</TD>
</TR>
<TR valign="bottom">
    <TD align="right" valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD align="right" valign="top"><DIV style="margin-left:0px; text-indent:-0px">24.1
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Power of Attorney (contained on signature page)</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">&nbsp;</DIV>
</DIV>

<TABLE width="100%" border="0" cellpadding="0" cellspacing="0" style="font-size: 10pt">
<TR>
    <TD width="3%"></TD>
    <TD width="1%"></TD>
    <TD width="96"></TD>
</TR>

<TR valign="top">
    <TD nowrap align="left">*</TD>
    <TD>&nbsp;</TD>
    <TD>Incorporated by reference to Exhibit&nbsp;10.2 to our Current Report on Form 8-K dated
January&nbsp;30, 2006.</TD>
</TR>

</TABLE>




<P align="center" style="font-size: 10pt"><!-- Folio -->5<!-- /Folio -->
</DIV>

</BODY>
</HTML>
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sv8
Table of Contents
As filed
with the Securities and Exchange Commission on January 24, 2007
Registration No. 333-
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM S-8
REGISTRATION STATEMENT
Under
The Securities Act of 1933
CATAPULT COMMUNICATIONS CORPORATION
(Exact name of Registrant as specified in its charter)
Nevada
77-0086010
(State or other jurisdiction of
(I.R.S. Employer
incorporation or organization)
Identification Number)
160 South Whisman Road
Mountain View, California 94041
(650) 960-1025
(Address, including zip code, and telephone number, including area code, of Registrant's principal executive offices)
1998 STOCK PLAN
(Full title of the plans)
Christopher Stephenson
Vice President,
Chief Financial Officer and Secretary
CATAPULT COMMUNICATIONS
CORPORATION
160 South Whisman Road
Mountain View, California 94041
(650) 960-1025
(Name, address and telephone number of agent for service)
Copies to:
HENRY P. MASSEY, JR., ESQ.
Wilson Sonsini Goodrich & Rosati
Professional Corporation
650 Page Mill Road
Palo Alto, CA 94304-1050
(650) 493-9300
CALCULATION OF REGISTRATION FEE
Proposed
Proposed
Title of
Maximum
Maximum
Securities
Amount
Offering
Aggregate
Amount of
to be
to be
Price
Offering
Registration
Registered
Registered
Per Share
Price
Fee
Common Stock, $.001
per share par
value: to be
issued under the
1998 Stock Plan (1)
1,000,000 shares
$8.82(2)
$8,820,000.00
$943.74
(1)
Pursuant to Rule 416(a) of the Securities Act of 1933, as amended (the "Securities Act"),
this Registration Statement shall also cover any additional shares of the Registrant's Common
Stock that become issuable under the 1998 Stock Plan by reason of any stock dividend, stock
split, recapitalization or other similar transaction affected without the receipt of
consideration that increases the number of the Registrant's outstanding shares of Common
Stock.
(2)
Estimated in accordance with Rule 457(c) and (h) under the Securities Act, solely for the
purpose of computing the amount of the registration fee and is equal to the average of the
high and low sales price of a share of the Registrant's Common Stock as reported by the Nasdaq
Global Select Market on January 17, 2007, which is a date within five business days prior to
filing this Registration Statement.
TABLE OF CONTENTS
PART II: INFORMATION REQUIRED IN REGISTRATION STATEMENT
Item 8. Exhibits
SIGNATURES
INDEX TO EXHIBITS
EXHIBIT 5.1
EXHIBIT 23.2
EXHIBIT 23.3
Table of Contents
The contents of the Registrant's Registration Statement on Form S-8 as filed with the
Commission on March 31, 1999 (File No. 333-75367) and Registration Statement on Form S-8 as filed
with the Commission on August 12, 2003 (File No. 333-107863) are incorporated herein by reference.
* * * * * *
PART II: INFORMATION REQUIRED IN REGISTRATION STATEMENT
Item 8. Exhibits
Exhibit
Number
Documents
4.1
Catapult Communications Corporation's 1998 Stock Plan, as amended
and restated through January 24, 2006*
5.1
Opinion of Counsel as to legality of securities being registered
23.1
Consent of Counsel (contained in Exhibit 5.1)
23.2
Consent of PricewaterhouseCoopers LLP, Independent Registered
Public Accounting Firm
23.3
Consent of Deloitte & Touche LLP, Independent Registered Public
Accounting Firm
24.1
Power of Attorney (contained on signature page)
*
Incorporated by reference to Exhibit 10.2 to our Current Report on Form 8-K dated
January 30, 2006.
2
Table of Contents
SIGNATURES
Pursuant to the requirements of the Securities Act of 1933, the Registrant, Catapult
Communications Corporation, a corporation organized and existing under the laws of the State of
Nevada, certifies that it has reasonable grounds to believe that it meets all of the requirements
for filing on Form S-8 and has duly caused this Registration Statement to be signed on its behalf
by the undersigned, thereunto duly authorized, in the City of Mountain View, State of California,
on January 24, 2007.
CATAPULT COMMUNICATIONS CORPORATION
By:
/s/ Christopher Stephenson
Christopher Stephenson, Vice President and Chief
Financial Officer
3
Table of Contents
POWER OF ATTORNEY
KNOW ALL PERSONS BY THESE PRESENTS, that each person whose signature appears below constitutes
and appoints Richard A. Karp and Christopher Stephenson, his or her true and lawful
attorney-in-fact and agent, with full power of substitution and resubstitution, to sign any and all
amendments (including post-effective amendments) to this Registration Statement on Form S-8 and to
file the same, with all exhibits thereto and other documents in connection therewith, with the
Securities and Exchange Commission, granting unto said attorney-in-fact and agent, full power and
authority to do and perform each and every act and thing requisite and necessary to be done in
connection therewith, as fully to all intents and purposes as he or she might or could do in
person, hereby ratifying and confirming all that said attorney-in-fact and agent, or his or her
substitute or substitutes, or any of them, shall do or cause to be done by virtue hereof.
Pursuant to the requirements of the Securities Exchange Act of 1933, this Registration
Statement has been signed below by the following persons on behalf of the registrant and in the
capacities and on the dates indicated.
Signature
Title
Date
/s/ Richard A. Karp
(Richard A. Karp)
Director, Chairman of the
Board, Chief
Executive Officer
(Principal Executive
Officer)
January 24, 2007
/s/ Christopher Stephenson
(Christopher Stephenson)
Vice President and Chief
Financial Officer
(Principal Financial
Officer)
January 24, 2007
/s/ Peter S. Cross
(Peter S. Cross)
Director
January 24, 2007
/s/ R. Stephen Heinrichs
(R. Stephen Heinrichs)
Director
January 24, 2007
/s/ Nancy H. Karp
(Nancy H. Karp)
Director
January 24, 2007
/s/ Henry P. Massey, Jr.
(Henry P. Massey, Jr.)
Director
January 24, 2007
/s/ John M. Scandalios
(John M. Scandalios)
Director
January 24, 2007
/s/ Charles L Waggoner
(Charles L. Waggoner)
Director
January 24, 2007
4
Table of Contents
CATAPULT COMMUNICATIONS CORPORATION
REGISTRATION STATEMENT ON FORM S-8
INDEX TO EXHIBITS
Exhibit
Number
Description
4.1
Catapult Communications Corporation's 1998 Stock Plan, as amended
and restated through January 24, 2006*
5.1
Opinion of Counsel as to legality of securities being registered
23.1
Consent of Counsel (contained in Exhibit 5.1)
23.2
Consent of PricewaterhouseCoopers LLP, Independent Registered
Public Accounting Firm
23.3
Consent of Deloitte & Touche LLP, Independent Registered Public
Accounting Firm
24.1
Power of Attorney (contained on signature page)
*
Incorporated by reference to Exhibit 10.2 to our Current Report on Form 8-K dated
January 30, 2006.
5