<?xml version="1.0" encoding="US-ASCII" ?>
    <!-- Field: Doc-Info; Name: Generator; Value: GoFiler Complete; Version: 5.23a -->
    <!-- Field: Doc-Info; Name: VendorURI; Value: https://www.novaworks.com -->
    <!-- Field: Doc-Info; Name: Status; Value: 0x00000000 -->
    <!-- Field: Doc-Info; Name: Misc; Value: /Kgps7xRiXgen8uHYH9MOa+EebOdwpB7KYkhtWV0Hdm6PygruVipRiZ68CU2MYUN -->
<schema xmlns="http://www.w3.org/2001/XMLSchema" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xbrli="http://www.xbrl.org/2003/instance" xmlns:xbrldt="http://xbrl.org/2005/xbrldt" xmlns:xbrldi="http://xbrl.org/2006/xbrldi" xmlns:dei="http://xbrl.sec.gov/dei/2024" xmlns:us-gaap="http://fasb.org/us-gaap/2024" xmlns:srt="http://fasb.org/srt/2024" xmlns:srt-types="http://fasb.org/srt-types/2024" xmlns:ecd="http://xbrl.sec.gov/ecd/2024" xmlns:dtr-types="http://www.xbrl.org/dtr/type/2022-03-31" xmlns:ktel="http://konatel.com/20240630" elementFormDefault="qualified" targetNamespace="http://konatel.com/20240630">
    <annotation>
      <appinfo>
        <link:roleType roleURI="http://konatel.com/role/Cover" id="Cover">
          <link:definition>00000001 - Document - Cover</link:definition>
          <link:usedOn>link:presentationLink</link:usedOn>
          <link:usedOn>link:calculationLink</link:usedOn>
          <link:usedOn>link:definitionLink</link:usedOn>
        </link:roleType>
        <link:roleType roleURI="http://konatel.com/role/ConsolidtedBalanceSheets" id="ConsolidtedBalanceSheets">
          <link:definition>00000002 - Statement - Condensed Consolidted Balance Sheets (Unaudited)</link:definition>
          <link:usedOn>link:presentationLink</link:usedOn>
          <link:usedOn>link:calculationLink</link:usedOn>
          <link:usedOn>link:definitionLink</link:usedOn>
        </link:roleType>
        <link:roleType roleURI="http://konatel.com/role/ConsolidtedBalanceSheetsParenthetical" id="ConsolidtedBalanceSheetsParenthetical">
          <link:definition>00000003 - Statement - Condensed Consolidted Balance Sheets (Unaudited) (Parenthetical)</link:definition>
          <link:usedOn>link:presentationLink</link:usedOn>
          <link:usedOn>link:calculationLink</link:usedOn>
          <link:usedOn>link:definitionLink</link:usedOn>
        </link:roleType>
        <link:roleType roleURI="http://konatel.com/role/StatementsOfOperations" id="StatementsOfOperations">
          <link:definition>00000004 - Statement - Condensed Consolidated Statements of Operations (Unaudited)</link:definition>
          <link:usedOn>link:presentationLink</link:usedOn>
          <link:usedOn>link:calculationLink</link:usedOn>
          <link:usedOn>link:definitionLink</link:usedOn>
        </link:roleType>
        <link:roleType roleURI="http://konatel.com/role/StatementsOfStockholdersEquityDeficit" id="StatementsOfStockholdersEquityDeficit">
          <link:definition>00000005 - Statement - Condensed Consolidated Statements of Stockholders' Equity (Deficit) (Unaudited)</link:definition>
          <link:usedOn>link:presentationLink</link:usedOn>
          <link:usedOn>link:calculationLink</link:usedOn>
          <link:usedOn>link:definitionLink</link:usedOn>
        </link:roleType>
        <link:roleType roleURI="http://konatel.com/role/StatementsOfCashFlows" id="StatementsOfCashFlows">
          <link:definition>00000006 - Statement - Condensed Consolidated Statements of Cash Flows (Unaudited)</link:definition>
          <link:usedOn>link:presentationLink</link:usedOn>
          <link:usedOn>link:calculationLink</link:usedOn>
          <link:usedOn>link:definitionLink</link:usedOn>
        </link:roleType>
        <link:roleType roleURI="http://konatel.com/role/SummaryOfSignificantAccountingPolicies" id="SummaryOfSignificantAccountingPolicies">
          <link:definition>995512 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES</link:definition>
          <link:usedOn>link:presentationLink</link:usedOn>
          <link:usedOn>link:calculationLink</link:usedOn>
          <link:usedOn>link:definitionLink</link:usedOn>
        </link:roleType>
        <link:roleType roleURI="http://konatel.com/role/Inventory" id="Inventory">
          <link:definition>995513 - Disclosure - INVENTORY</link:definition>
          <link:usedOn>link:presentationLink</link:usedOn>
          <link:usedOn>link:calculationLink</link:usedOn>
          <link:usedOn>link:definitionLink</link:usedOn>
        </link:roleType>
        <link:roleType roleURI="http://konatel.com/role/PropertyAndEquipment" id="PropertyAndEquipment">
          <link:definition>995514 - Disclosure - PROPERTY AND EQUIPMENT</link:definition>
          <link:usedOn>link:presentationLink</link:usedOn>
          <link:usedOn>link:calculationLink</link:usedOn>
          <link:usedOn>link:definitionLink</link:usedOn>
        </link:roleType>
        <link:roleType roleURI="http://konatel.com/role/Right-of-useAssets" id="Right-of-useAssets">
          <link:definition>995515 - Disclosure - RIGHT-OF-USE ASSETS</link:definition>
          <link:usedOn>link:presentationLink</link:usedOn>
          <link:usedOn>link:calculationLink</link:usedOn>
          <link:usedOn>link:definitionLink</link:usedOn>
        </link:roleType>
        <link:roleType roleURI="http://konatel.com/role/IntangibleAssets" id="IntangibleAssets">
          <link:definition>995516 - Disclosure - INTANGIBLE ASSETS</link:definition>
          <link:usedOn>link:presentationLink</link:usedOn>
          <link:usedOn>link:calculationLink</link:usedOn>
          <link:usedOn>link:definitionLink</link:usedOn>
        </link:roleType>
        <link:roleType roleURI="http://konatel.com/role/NotesPayable" id="NotesPayable">
          <link:definition>995517 - Disclosure - NOTES PAYABLE</link:definition>
          <link:usedOn>link:presentationLink</link:usedOn>
          <link:usedOn>link:calculationLink</link:usedOn>
          <link:usedOn>link:definitionLink</link:usedOn>
        </link:roleType>
        <link:roleType roleURI="http://konatel.com/role/ContingenciesAndCommitments" id="ContingenciesAndCommitments">
          <link:definition>995518 - Disclosure - CONTINGENCIES AND COMMITMENTS</link:definition>
          <link:usedOn>link:presentationLink</link:usedOn>
          <link:usedOn>link:calculationLink</link:usedOn>
          <link:usedOn>link:definitionLink</link:usedOn>
        </link:roleType>
        <link:roleType roleURI="http://konatel.com/role/SegmentReporting" id="SegmentReporting">
          <link:definition>995519 - Disclosure - SEGMENT REPORTING</link:definition>
          <link:usedOn>link:presentationLink</link:usedOn>
          <link:usedOn>link:calculationLink</link:usedOn>
          <link:usedOn>link:definitionLink</link:usedOn>
        </link:roleType>
        <link:roleType roleURI="http://konatel.com/role/StockholdersEquity" id="StockholdersEquity">
          <link:definition>995520 - Disclosure - STOCKHOLDERS&#8217; EQUITY</link:definition>
          <link:usedOn>link:presentationLink</link:usedOn>
          <link:usedOn>link:calculationLink</link:usedOn>
          <link:usedOn>link:definitionLink</link:usedOn>
        </link:roleType>
        <link:roleType roleURI="http://konatel.com/role/SubsequentEvents" id="SubsequentEvents">
          <link:definition>995521 - Disclosure - SUBSEQUENT EVENTS</link:definition>
          <link:usedOn>link:presentationLink</link:usedOn>
          <link:usedOn>link:calculationLink</link:usedOn>
          <link:usedOn>link:definitionLink</link:usedOn>
        </link:roleType>
        <link:roleType roleURI="http://konatel.com/role/SummaryOfSignificantAccountingPoliciesPolicies" id="SummaryOfSignificantAccountingPoliciesPolicies">
          <link:definition>995522 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Policies)</link:definition>
          <link:usedOn>link:presentationLink</link:usedOn>
          <link:usedOn>link:calculationLink</link:usedOn>
          <link:usedOn>link:definitionLink</link:usedOn>
        </link:roleType>
        <link:roleType roleURI="http://konatel.com/role/SummaryOfSignificantAccountingPoliciesTables" id="SummaryOfSignificantAccountingPoliciesTables">
          <link:definition>995523 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables)</link:definition>
          <link:usedOn>link:presentationLink</link:usedOn>
          <link:usedOn>link:calculationLink</link:usedOn>
          <link:usedOn>link:definitionLink</link:usedOn>
        </link:roleType>
        <link:roleType roleURI="http://konatel.com/role/PropertyAndEquipmentTables" id="PropertyAndEquipmentTables">
          <link:definition>995524 - Disclosure - PROPERTY AND EQUIPMENT (Tables)</link:definition>
          <link:usedOn>link:presentationLink</link:usedOn>
          <link:usedOn>link:calculationLink</link:usedOn>
          <link:usedOn>link:definitionLink</link:usedOn>
        </link:roleType>
        <link:roleType roleURI="http://konatel.com/role/Right-of-useAssetsTables" id="Right-of-useAssetsTables">
          <link:definition>995525 - Disclosure - RIGHT-OF-USE ASSETS (Tables)</link:definition>
          <link:usedOn>link:presentationLink</link:usedOn>
          <link:usedOn>link:calculationLink</link:usedOn>
          <link:usedOn>link:definitionLink</link:usedOn>
        </link:roleType>
        <link:roleType roleURI="http://konatel.com/role/IntangibleAssetsTables" id="IntangibleAssetsTables">
          <link:definition>995526 - Disclosure - INTANGIBLE ASSETS (Tables)</link:definition>
          <link:usedOn>link:presentationLink</link:usedOn>
          <link:usedOn>link:calculationLink</link:usedOn>
          <link:usedOn>link:definitionLink</link:usedOn>
        </link:roleType>
        <link:roleType roleURI="http://konatel.com/role/SegmentReportingTables" id="SegmentReportingTables">
          <link:definition>995527 - Disclosure - SEGMENT REPORTING (Tables)</link:definition>
          <link:usedOn>link:presentationLink</link:usedOn>
          <link:usedOn>link:calculationLink</link:usedOn>
          <link:usedOn>link:definitionLink</link:usedOn>
        </link:roleType>
        <link:roleType roleURI="http://konatel.com/role/StockholdersEquityTables" id="StockholdersEquityTables">
          <link:definition>995528 - Disclosure - STOCKHOLDERS&#8217; EQUITY (Tables)</link:definition>
          <link:usedOn>link:presentationLink</link:usedOn>
          <link:usedOn>link:calculationLink</link:usedOn>
          <link:usedOn>link:definitionLink</link:usedOn>
        </link:roleType>
        <link:roleType roleURI="http://konatel.com/role/SummaryOfSignificantAccountingPolicies-scheduleOfEarningsPerShareBasicAndDilutedDetails" id="SummaryOfSignificantAccountingPolicies-scheduleOfEarningsPerShareBasicAndDilutedDetails">
          <link:definition>995529 - Disclosure - Summary of Significant Accounting Policies -Schedule of Earnings Per Share, Basic and Diluted (Details)</link:definition>
          <link:usedOn>link:presentationLink</link:usedOn>
          <link:usedOn>link:calculationLink</link:usedOn>
          <link:usedOn>link:definitionLink</link:usedOn>
        </link:roleType>
        <link:roleType roleURI="http://konatel.com/role/SummaryOfSignificantAccountingPoliciesDetailsNarrative" id="SummaryOfSignificantAccountingPoliciesDetailsNarrative">
          <link:definition>995530 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details Narrative)</link:definition>
          <link:usedOn>link:presentationLink</link:usedOn>
          <link:usedOn>link:calculationLink</link:usedOn>
          <link:usedOn>link:definitionLink</link:usedOn>
        </link:roleType>
        <link:roleType roleURI="http://konatel.com/role/InventoryDetailsNarrative" id="InventoryDetailsNarrative">
          <link:definition>995531 - Disclosure - INVENTORY (Details Narrative)</link:definition>
          <link:usedOn>link:presentationLink</link:usedOn>
          <link:usedOn>link:calculationLink</link:usedOn>
          <link:usedOn>link:definitionLink</link:usedOn>
        </link:roleType>
        <link:roleType roleURI="http://konatel.com/role/PropertyAndEquipment-ScheduleOfPropertyAndEquipmentDetails" id="PropertyAndEquipment-ScheduleOfPropertyAndEquipmentDetails">
          <link:definition>995532 - Disclosure - Property and Equipment - Schedule of Property and Equipment (Details)</link:definition>
          <link:usedOn>link:presentationLink</link:usedOn>
          <link:usedOn>link:calculationLink</link:usedOn>
          <link:usedOn>link:definitionLink</link:usedOn>
        </link:roleType>
        <link:roleType roleURI="http://konatel.com/role/PropertyAndEquipmentDetailsNarrative" id="PropertyAndEquipmentDetailsNarrative">
          <link:definition>995533 - Disclosure - PROPERTY AND EQUIPMENT (Details Narrative)</link:definition>
          <link:usedOn>link:presentationLink</link:usedOn>
          <link:usedOn>link:calculationLink</link:usedOn>
          <link:usedOn>link:definitionLink</link:usedOn>
        </link:roleType>
        <link:roleType roleURI="http://konatel.com/role/Right-of-useAssets-ScheduleOfFutureMinimumLeasePaymentsForOperatingLeasesDetails" id="Right-of-useAssets-ScheduleOfFutureMinimumLeasePaymentsForOperatingLeasesDetails">
          <link:definition>995534 - Disclosure - Right-of-Use Assets - Schedule of Future Minimum Lease Payments for Operating Leases (Details)</link:definition>
          <link:usedOn>link:presentationLink</link:usedOn>
          <link:usedOn>link:calculationLink</link:usedOn>
          <link:usedOn>link:definitionLink</link:usedOn>
        </link:roleType>
        <link:roleType roleURI="http://konatel.com/role/Right-of-useAssetsDetailsNarrative" id="Right-of-useAssetsDetailsNarrative">
          <link:definition>995535 - Disclosure - RIGHT-OF-USE ASSETS (Details Narrative)</link:definition>
          <link:usedOn>link:presentationLink</link:usedOn>
          <link:usedOn>link:calculationLink</link:usedOn>
          <link:usedOn>link:definitionLink</link:usedOn>
        </link:roleType>
        <link:roleType roleURI="http://konatel.com/role/IntangibleAssets-ScheduleOfAcquiredFinite-livedIntangibleAssetsDetails" id="IntangibleAssets-ScheduleOfAcquiredFinite-livedIntangibleAssetsDetails">
          <link:definition>995536 - Disclosure - Intangible Assets - Schedule of Acquired Finite-Lived Intangible Assets (Details)</link:definition>
          <link:usedOn>link:presentationLink</link:usedOn>
          <link:usedOn>link:calculationLink</link:usedOn>
          <link:usedOn>link:definitionLink</link:usedOn>
        </link:roleType>
        <link:roleType roleURI="http://konatel.com/role/IntangibleAssetsDetailsNarrative" id="IntangibleAssetsDetailsNarrative">
          <link:definition>995537 - Disclosure - INTANGIBLE ASSETS (Details Narrative)</link:definition>
          <link:usedOn>link:presentationLink</link:usedOn>
          <link:usedOn>link:calculationLink</link:usedOn>
          <link:usedOn>link:definitionLink</link:usedOn>
        </link:roleType>
        <link:roleType roleURI="http://konatel.com/role/ContingenciesAndCommitmentsDetailsNarrative" id="ContingenciesAndCommitmentsDetailsNarrative">
          <link:definition>995538 - Disclosure - CONTINGENCIES AND COMMITMENTS (Details Narrative)</link:definition>
          <link:usedOn>link:presentationLink</link:usedOn>
          <link:usedOn>link:calculationLink</link:usedOn>
          <link:usedOn>link:definitionLink</link:usedOn>
        </link:roleType>
        <link:roleType roleURI="http://konatel.com/role/SegmentReporting-ScheduleOfSegmentReportingInformationDetails" id="SegmentReporting-ScheduleOfSegmentReportingInformationDetails">
          <link:definition>995539 - Disclosure - Segment Reporting - Schedule of Segment Reporting Information (Details)</link:definition>
          <link:usedOn>link:presentationLink</link:usedOn>
          <link:usedOn>link:calculationLink</link:usedOn>
          <link:usedOn>link:definitionLink</link:usedOn>
        </link:roleType>
        <link:roleType roleURI="http://konatel.com/role/SegmentReportingDetailsNarrative" id="SegmentReportingDetailsNarrative">
          <link:definition>995540 - Disclosure - SEGMENT REPORTING (Details Narrative)</link:definition>
          <link:usedOn>link:presentationLink</link:usedOn>
          <link:usedOn>link:calculationLink</link:usedOn>
          <link:usedOn>link:definitionLink</link:usedOn>
        </link:roleType>
        <link:roleType roleURI="http://konatel.com/role/StockholdersEquity-ScheduleOfShare-basedCompensationStockOptionActivityDetails" id="StockholdersEquity-ScheduleOfShare-basedCompensationStockOptionActivityDetails">
          <link:definition>995541 - Disclosure - Stockholders&#8217; Equity - Schedule of Share-Based Compensation, Stock Option Activity (Details)</link:definition>
          <link:usedOn>link:presentationLink</link:usedOn>
          <link:usedOn>link:calculationLink</link:usedOn>
          <link:usedOn>link:definitionLink</link:usedOn>
        </link:roleType>
        <link:roleType roleURI="http://konatel.com/role/StockholdersEquityDetailsNarrative" id="StockholdersEquityDetailsNarrative">
          <link:definition>995542 - Disclosure - STOCKHOLDERS&#8217; EQUITY (Details Narrative)</link:definition>
          <link:usedOn>link:presentationLink</link:usedOn>
          <link:usedOn>link:calculationLink</link:usedOn>
          <link:usedOn>link:definitionLink</link:usedOn>
        </link:roleType>
        <link:roleType roleURI="http://konatel.com/role/SubsequentEventsDetailsNarrative" id="SubsequentEventsDetailsNarrative">
          <link:definition>995543 - Disclosure - SUBSEQUENT EVENTS (Details Narrative)</link:definition>
          <link:usedOn>link:presentationLink</link:usedOn>
          <link:usedOn>link:calculationLink</link:usedOn>
          <link:usedOn>link:definitionLink</link:usedOn>
        </link:roleType>
        <link:linkbaseRef xlink:type="simple" xlink:href="ktel-20240630_pre.xml" xlink:role="http://www.xbrl.org/2003/role/presentationLinkbaseRef" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:title="Presentation Links" />
        <link:linkbaseRef xlink:type="simple" xlink:href="ktel-20240630_lab.xml" xlink:role="http://www.xbrl.org/2003/role/labelLinkbaseRef" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:title="Label Links" />
        <link:linkbaseRef xlink:type="simple" xlink:href="ktel-20240630_cal.xml" xlink:role="http://www.xbrl.org/2003/role/calculationLinkbaseRef" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:title="Calculation Links" />
        <link:linkbaseRef xlink:type="simple" xlink:href="ktel-20240630_def.xml" xlink:role="http://www.xbrl.org/2003/role/definitionLinkbaseRef" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:title="Definition Links" />
      </appinfo>
    </annotation>
    <import namespace="http://www.xbrl.org/2003/instance" schemaLocation="http://www.xbrl.org/2003/xbrl-instance-2003-12-31.xsd" />
    <import namespace="http://www.xbrl.org/2003/linkbase" schemaLocation="http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd" />
    <import namespace="http://xbrl.org/2005/xbrldt" schemaLocation="http://www.xbrl.org/2005/xbrldt-2005.xsd" />
    <import namespace="http://xbrl.sec.gov/dei/2024" schemaLocation="https://xbrl.sec.gov/dei/2024/dei-2024.xsd" />
    <import namespace="http://fasb.org/us-gaap/2024" schemaLocation="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd" />
    <import namespace="http://fasb.org/us-types/2024" schemaLocation="https://xbrl.fasb.org/us-gaap/2024/elts/us-types-2024.xsd" />
    <import namespace="http://www.xbrl.org/dtr/type/2022-03-31" schemaLocation="https://www.xbrl.org/dtr/type/2022-03-31/types.xsd" />
    <import namespace="http://xbrl.sec.gov/ecd/2024" schemaLocation="https://xbrl.sec.gov/ecd/2024/ecd-2024.xsd" />
    <import namespace="http://xbrl.sec.gov/country/2024" schemaLocation="https://xbrl.sec.gov/country/2024/country-2024.xsd" />
    <import namespace="http://fasb.org/srt/2024" schemaLocation="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd" />
    <import namespace="http://fasb.org/srt-types/2024" schemaLocation="https://xbrl.fasb.org/srt/2024/elts/srt-types-2024.xsd" />
    <element id="ktel_ExcessTelecomIncMember" name="ExcessTelecomIncMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="ktel_CustomerOneMember" name="CustomerOneMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="ktel_CustomerTwoMember" name="CustomerTwoMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="ktel_BillingSoftwareMember" name="BillingSoftwareMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="ktel_PropertyAndEquipmentMember" name="PropertyAndEquipmentMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="ktel_StateOfPennsylvaniaMember" name="StateOfPennsylvaniaMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="ktel_HostedServicesMember" name="HostedServicesMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="ktel_MobileServicesMember" name="MobileServicesMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="ktel_IncentiveStockMember" name="IncentiveStockMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="ktel_ApplicationDevelopmentCosts" name="ApplicationDevelopmentCosts" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ktel_NoncompensatoryStockOptionsExercised" name="NoncompensatoryStockOptionsExercised" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ktel_ChangeInRightOfUseAsset" name="ChangeInRightOfUseAsset" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ktel_ChangeInLeaseLiability" name="ChangeInLeaseLiability" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ktel_DisclosureRightofuseAssetsAbstract" name="DisclosureRightofuseAssetsAbstract" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="ktel_NumeratorAbstract" name="NumeratorAbstract" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="ktel_DenominatorAbstract" name="DenominatorAbstract" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="ktel_SpecificCustomerConcentrationAxis" name="SpecificCustomerConcentrationAxis" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrldt:dimensionItem" />
    <element id="ktel_SpecificCustomerConcentrationDomain" name="SpecificCustomerConcentrationDomain" abstract="true" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="ktel_RightToUseAssetsImpliedInterestRate" name="RightToUseAssetsImpliedInterestRate" nillable="true" xbrli:periodType="instant" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" />
    <element id="ktel_WeightedAverageRemainingLifeAtEndOfPeriod" name="WeightedAverageRemainingLifeAtEndOfPeriod" nillable="true" xbrli:periodType="duration" type="xbrli:durationItemType" substitutionGroup="xbrli:item" />
</schema>
