-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
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 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 PuyylO8ws4usOyFE7Co4hiwCsWTl5a9N0FGpahd+r87GBGyTgGrN+iTCz+eUV+SK
 IMgPHD82WJ+RZDDf3bM8zQ==

<SEC-DOCUMENT>0001008719-05-000001.txt : 20051122
<SEC-HEADER>0001008719-05-000001.hdr.sgml : 20051122
<ACCEPTANCE-DATETIME>20051122153600
ACCESSION NUMBER:		0001008719-05-000001
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20051121
FILED AS OF DATE:		20051122
DATE AS OF CHANGE:		20051122

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			CLARKE ERNEST
		CENTRAL INDEX KEY:			0001008719

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-25380
		FILM NUMBER:		051221267

	BUSINESS ADDRESS:	
		BUSINESS PHONE:		3149972250

	MAIL ADDRESS:	
		STREET 1:		ULTRADATA SYSTEMS INC
		STREET 2:		9375 DIELMAN INDUSTRIAL
		CITY:			ST LOUIS
		STATE:			MO
		ZIP:			63132

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			ULTRADATA SYSTEMS INC
		CENTRAL INDEX KEY:			0000931947
		STANDARD INDUSTRIAL CLASSIFICATION:	OFFICE MACHINES, NEC [3579]
		IRS NUMBER:				431401158
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		1240 DIELMAN INDUSTRIAL CT
		CITY:			ST LOUIS
		STATE:			MO
		ZIP:			63132
		BUSINESS PHONE:		3149972250

	MAIL ADDRESS:	
		STREET 1:		1240 DIELMAN INDUSTRIAL COURT
		CITY:			ST LOUIS
		STATE:			MO
		ZIP:			63132
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>primary_doc.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2005-11-21</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000931947</issuerCik>
        <issuerName>ULTRADATA SYSTEMS INC</issuerName>
        <issuerTradingSymbol>ULTR</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001008719</rptOwnerCik>
            <rptOwnerName>CLARKE ERNEST</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>ULTRADATA SYSTEMS INC</rptOwnerStreet1>
            <rptOwnerStreet2>1240 DIELMAN INDUSTRIAL COURT</rptOwnerStreet2>
            <rptOwnerCity>ST LOUIS</rptOwnerCity>
            <rptOwnerState>MO</rptOwnerState>
            <rptOwnerZipCode>63132</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>President</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Ultradata Systems, Inc.</value>
            </securityTitle>
            <transactionDate>
                <value>2005-11-21</value>
            </transactionDate>
            <deemedExecutionDate>
                <value>2005-11-21</value>
            </deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>P</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>10000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0.04</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>140852</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <ownerSignature>
        <signatureName>Ernest S. Clarke III</signatureName>
        <signatureDate>2005-11-22</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
-----END PRIVACY-ENHANCED MESSAGE-----