<?xml version="1.0" encoding="UTF-8"?><edgarSubmission xmlns="http://www.sec.gov/edgar/ownership" xmlns:ns2="http://www.sec.gov/edgar/common">
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        <submissionType>144</submissionType>
        <filerInfo>
            <filer>
                <filerCredentials>
                    <cik>0001599821</cik>
                    <ccc>XXXXXXXX</ccc>
                </filerCredentials>
            </filer>
            <liveTestFlag>LIVE</liveTestFlag>



        </filerInfo>
    </headerData>
    <formData>
        <issuerInfo>
            <issuerCik>0001384905</issuerCik>
            <issuerName>RINGCENTRAL INC.</issuerName>
            <secFileNumber>001-36089</secFileNumber>
            <issuerAddress>
                <ns2:street1>20 Davis Drive</ns2:street1>
                <ns2:city>Belmont</ns2:city>
                <ns2:stateOrCountry>CA</ns2:stateOrCountry>
                <ns2:zipCode>94002</ns2:zipCode>
            </issuerAddress>
            <issuerContactPhone>(650) 472-4100</issuerContactPhone>
            <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>2015 VENDROW C TRT FBO JOSH VENDROW</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
            <relationshipsToIssuer>
                <relationshipToIssuer>10% Stockholder</relationshipToIssuer>
            </relationshipsToIssuer>
        </issuerInfo>
        <securitiesInformation>
            <securitiesClassTitle>Class A Common</securitiesClassTitle>
            <brokerOrMarketmakerDetails>
                <name>Morgan Stanley Smith Barney LLC Executive Financial Services</name>
                <address>
                    <ns2:street1>1 New York Plaza</ns2:street1>
                    <ns2:street2>8th Floor</ns2:street2>
                    <ns2:city>New York</ns2:city>
                    <ns2:stateOrCountry>NY</ns2:stateOrCountry>
                    <ns2:zipCode>10004</ns2:zipCode>
                </address>
            </brokerOrMarketmakerDetails>
            <noOfUnitsSold>1890</noOfUnitsSold>
            <aggregateMarketValue>72408.74</aggregateMarketValue>
            <noOfUnitsOutstanding>80506041</noOfUnitsOutstanding>
            <approxSaleDate>11/27/2024</approxSaleDate>
            <securitiesExchangeName>NYSE</securitiesExchangeName>
        </securitiesInformation>
        <securitiesToBeSold>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <acquiredDate>10/30/2015</acquiredDate>
            <natureOfAcquisitionTransaction>Gift from Affiliate</natureOfAcquisitionTransaction>
            <nameOfPersonfromWhomAcquired>Vlad Vendrow</nameOfPersonfromWhomAcquired>
            <isGiftTransaction>Y</isGiftTransaction>
            <donarAcquiredDate>03/01/1999</donarAcquiredDate>
            <amountOfSecuritiesAcquired>1890</amountOfSecuritiesAcquired>
            <natureOfPayment>NA</natureOfPayment>
        </securitiesToBeSold>
        <nothingToReportFlagOnSecuritiesSoldInPast3Months>Y</nothingToReportFlagOnSecuritiesSoldInPast3Months>
        <noticeSignature>
            <noticeDate>11/27/2024</noticeDate>
            <planAdoptionDates/>
            <signature>/s/ Regina Vendrow, Trustee</signature>
        </noticeSignature>
    </formData>
</edgarSubmission>
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144
0001599821
XXXXXXXX
LIVE
0001384905
RINGCENTRAL INC.
001-36089
20 Davis Drive
Belmont
CA
94002
(650) 472-4100
2015 VENDROW C TRT FBO JOSH VENDROW
10% Stockholder
Class A Common
Morgan Stanley Smith Barney LLC Executive Financial Services
1 New York Plaza
8th Floor
New York
NY
10004
1890
72408.74
80506041
11/27/2024
NYSE
Common
10/30/2015
Gift from Affiliate
Vlad Vendrow
Y
03/01/1999
1890
NA
Y
11/27/2024
/s/ Regina Vendrow, Trustee