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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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MIC-Info: RSA-MD5,RSA,
 Ek+ZeyP8ibBM81E+MvXleXPeKm58L+eChVTeqyNTI+jW9mk1DHgoMYEVRR0ifCgu
 Fio8RLH20aWUIVjAzo+Mfg==

<SEC-DOCUMENT>0001228034-09-000001.txt : 20090102
<SEC-HEADER>0001228034-09-000001.hdr.sgml : 20090101
<ACCEPTANCE-DATETIME>20090102084759
ACCESSION NUMBER:		0001228034-09-000001
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20090101
FILED AS OF DATE:		20090102
DATE AS OF CHANGE:		20090102

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			HIRAM RON
		CENTRAL INDEX KEY:			0001228034

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-30121
		FILM NUMBER:		09500130

	BUSINESS ADDRESS:	
		STREET 1:		COMVERSE TECHNOLOGY
		STREET 2:		170 CROSSWAYS PARK DRIVE
		CITY:			WOODBURY
		STATE:			NY
		ZIP:			11797

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			ULTICOM INC
		CENTRAL INDEX KEY:			0001103184
		STANDARD INDUSTRIAL CLASSIFICATION:	TELEPHONE & TELEGRAPH APPARATUS [3661]
		IRS NUMBER:				222050748
		STATE OF INCORPORATION:			NJ
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		1020 BRIGGS RD
		CITY:			MT LAUREL
		STATE:			NJ
		ZIP:			08054
		BUSINESS PHONE:		882956664

	MAIL ADDRESS:	
		STREET 1:		1020 BRIGGS ROAD
		CITY:			MT LAUREL
		STATE:			NJ
		ZIP:			08054
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>edgar.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0303</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2009-01-01</periodOfReport>

    <issuer>
        <issuerCik>0001103184</issuerCik>
        <issuerName>ULTICOM INC</issuerName>
        <issuerTradingSymbol>ULCM.PK</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001228034</rptOwnerCik>
            <rptOwnerName>HIRAM RON</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>ULTICOM, INC.</rptOwnerStreet1>
            <rptOwnerStreet2>1020 BRIGGS ROAD</rptOwnerStreet2>
            <rptOwnerCity>MT. LAUREL</rptOwnerCity>
            <rptOwnerState>NJ</rptOwnerState>
            <rptOwnerZipCode>08054</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2009-01-01</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>M</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>5500</value>
                </transactionShares>
                <transactionPricePerShare>
                    <footnoteId id="F1"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>12000</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value></value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Deferred Stock Awards (units)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <footnoteId id="F1"/>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2009-01-01</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>M</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>5500</value>
                </transactionShares>
                <transactionPricePerShare>
                    <footnoteId id="F1"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <footnoteId id="F2"/>
            </exerciseDate>
            <expirationDate>
                <footnoteId id="F2"/>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>5500</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>5500</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value></value>
                </natureOfOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">Each unit of deferred stock was the economic equivalent of one share of Ulticom, Inc. common stock.  The reporting person settled all of his units of the Deferred Stock Awards for shares of Ulticom, Inc. common stock.</footnote>
        <footnote id="F2">The Deferred Stock Award settled on the Settlement Date which was the earlier of the (a) the date on which a Change in Control occurs (to the extent that such Change in Control also constitutes a change in ownership or effective control within the meaning of Treasury Regulations Section 1.409A-3(i)(5) and (b) January 1, 2009.  The Deferred Stock Award was 75% vested as of the date of the grant on January 18, 2008.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Dawn Branin, as Attorney-in-Fact for Ron Hiram</signatureName>
        <signatureDate>2009-01-02</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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