-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
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MIC-Info: RSA-MD5,RSA,
 CFpUev+AH3NPSDPenqUUQ74q8wSwOO311XbRAlUmH1KNkYh2J+De4lPxv0H6kcQv
 1FZmJt5zIYt1I1b5rwbdCg==

<SEC-DOCUMENT>0001010506-06-000006.txt : 20060113
<SEC-HEADER>0001010506-06-000006.hdr.sgml : 20060113
<ACCEPTANCE-DATETIME>20060113160254
ACCESSION NUMBER:		0001010506-06-000006
CONFORMED SUBMISSION TYPE:	3
PUBLIC DOCUMENT COUNT:		2
CONFORMED PERIOD OF REPORT:	20060101
FILED AS OF DATE:		20060113
DATE AS OF CHANGE:		20060113

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			CALAMOS GLOBAL TOTAL RETURN FUND
		CENTRAL INDEX KEY:			0001285650
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		2020 CALAMOS COURT
		STREET 2:		C/O CALAMOS ADVISORS LLC
		CITY:			NAPERVILLE
		STATE:			IL
		ZIP:			60563
		BUSINESS PHONE:		6305779688

	MAIL ADDRESS:	
		STREET 1:		2020 CALAMOS COURT
		STREET 2:		C/O CALAMOS ADVISORS LLC
		CITY:			NAPERVILLE
		STATE:			IL
		ZIP:			60563

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			TRIPPLE DAVID D
		CENTRAL INDEX KEY:			0001010506

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	811-21547
		FILM NUMBER:		06529922

	BUSINESS ADDRESS:	
		STREET 1:		60 STATE STREET 19TH FLOOR
		STREET 2:		60 STATE STREET 19TH FLOOR
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02109-1820
		BUSINESS PHONE:		6302457296

	MAIL ADDRESS:	
		STREET 1:		2020 CALAMOS COURT
		CITY:			NAPERVILLE
		STATE:			IL
		ZIP:			60563
</SEC-HEADER>
<DOCUMENT>
<TYPE>3
<SEQUENCE>1
<FILENAME>primary_doc.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>3</documentType>

    <periodOfReport>2006-01-01</periodOfReport>

    <noSecuritiesOwned>1</noSecuritiesOwned>

    <issuer>
        <issuerCik>0001285650</issuerCik>
        <issuerName>CALAMOS GLOBAL TOTAL RETURN FUND</issuerName>
        <issuerTradingSymbol>CGO</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001010506</rptOwnerCik>
            <rptOwnerName>TRIPPLE DAVID D</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>2020 CALAMOS COURT</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>NAPERVILLE</rptOwnerCity>
            <rptOwnerState>IL</rptOwnerState>
            <rptOwnerZipCode>60563</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <ownerSignature>
        <signatureName>/s/ James S. Hamman, Jr. Attorney-in-Fact</signatureName>
        <signatureDate>2006-01-13</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>EX-24
<SEQUENCE>2
<FILENAME>daviddtripplecgopoa.txt
<DESCRIPTION>POWER OF ATTORNEY
<TEXT>
Exhibit 24


POWER OF ATTORNEY

	The person whose signature appears below hereby appoints James S.
Hamman, Jr., Patrick H. Dudasik and John P. Calamos and each of them, any
of whom may act without the joinder of the others, as such person's attorney-
in-fact to sign and file on such person's behalf individually and in the
capacity stated below such registration statements, amendments, post-effective
amendments, exhibits, applications and other documents with the Securities
and Exchange Commission or any other regulatory authority as may be desirable
or necessary in connection with the public offering of shares of Calamos
Global Total Return Fund.

Signature                       Title                   Date

/s/David D. Tripple             Trustee                 January 1, 2006
David D. Tripple




</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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