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    <element id="IQST_TotalMember" name="TotalMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="IQST_MartusMember" name="MartusMember" abstract="true" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="IQST_DarleneCovi19Member" name="DarleneCovi19Member" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="IQST_PromissoryNoteOneMember" name="PromissoryNoteOneMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="IQST_PromissoryNoteTwoMember" name="PromissoryNoteTwoMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="IQST_PromissoryNoteThreeMember" name="PromissoryNoteThreeMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="IQST_PromissoryNoteFourMember" name="PromissoryNoteFourMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="IQST_PromissoryNoteFiveMember" name="PromissoryNoteFiveMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="IQST_PromissoryNoteSixMember" name="PromissoryNoteSixMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="IQST_PromissoryNotesSixMember" name="PromissoryNotesSixMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="IQST_PromissoryNoteSevenMember" name="PromissoryNoteSevenMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="IQST_PromissoryNoteEightMember" name="PromissoryNoteEightMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="IQST_FinancingLoanMember" name="FinancingLoanMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="IQST_PromissoryNoteThirteenMember" name="PromissoryNoteThirteenMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="IQST_N49OfShareholderOfSwisslink1Member" name="N49OfShareholderOfSwisslink1Member" abstract="true" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="IQST_N49OfShareholderOfSwisslink2Member" name="N49OfShareholderOfSwisslink2Member" abstract="true" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="IQST_ThirdPartyLoansMember" name="ThirdPartyLoansMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="IQST_DirectorsIssuanceMember" name="DirectorsIssuanceMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="IQST_RelatedPartyOneMember" name="RelatedPartyOneMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="IQST_USAMember" name="USAMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="IQST_SwitzerlandMember" name="SwitzerlandMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="IQST_UnitedKingdomMember" name="UnitedKingdomMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="IQST_EliminationMember" name="EliminationMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="IQST_TelecomMember" name="TelecomMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="IQST_FintechMember" name="FintechMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="IQST_IndustrialEliminationMember" name="IndustrialEliminationMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="IQST_InterestExpense2" name="InterestExpense2" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="IQST_UndeclaredDividendOnSeriesDPreferred" name="UndeclaredDividendOnSeriesDPreferred" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="IQST_WeightedAverageNumberOfShareOutstandingBasic" name="WeightedAverageNumberOfShareOutstandingBasic" nillable="true" xbrli:periodType="duration" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
    <element id="IQST_StockIssuedForConversionOfSeriesDPreferredStock" name="StockIssuedForConversionOfSeriesDPreferredStock" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="IQST_StockIssuedForConversionOfSeriesDPreferredStockShares" name="StockIssuedForConversionOfSeriesDPreferredStockShares" nillable="true" xbrli:periodType="duration" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
    <element id="IQST_DividendToNonControllingInterest" name="DividendToNonControllingInterest" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="IQST_DividendToNonControllingInterestShares" name="DividendToNonControllingInterestShares" nillable="true" xbrli:periodType="duration" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
    <element id="IQST_NotePayableIssuedForAcquisitionOfSubsidiary" name="NotePayableIssuedForAcquisitionOfSubsidiary" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="IQST_NonCashDividendPaid" name="NonCashDividendPaid" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="IQST_ScheduleOfLoansPayableTextBlock" name="ScheduleOfLoansPayableTextBlock" nillable="true" xbrli:periodType="duration" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" />
    <element id="IQST_ScheduleOfLoansPayableToRelatedPartiesTextBlock" name="ScheduleOfLoansPayableToRelatedPartiesTextBlock" nillable="true" xbrli:periodType="duration" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" />
    <element id="IQST_DepreciationAndAmortizationthree" name="DepreciationAndAmortizationthree" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="IQST_DepreciationAndAmortization2" name="DepreciationAndAmortization2" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="IQST_LiabilitiesDividendPayable" name="LiabilitiesDividendPayable" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="IQST_StockIssuedDuringPeriodSharesConversionOfSeriesDPreferredStock" name="StockIssuedDuringPeriodSharesConversionOfSeriesDPreferredStock" nillable="true" xbrli:periodType="duration" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
    <element id="IQST_SeriesDPreferredConvertedIntoCommonStockShares" name="SeriesDPreferredConvertedIntoCommonStockShares" nillable="true" xbrli:periodType="duration" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
</schema>
