While calling the WCF

Question

I hosted the WCF Service on the windows service. Another WCF service hosted on the iis consuming while accessing the mothods i am getting the error The caller was not authenticated by the service. both are hosted on the different machines.

here is the my config for service osted on the windows service

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contract="SendSMSProxy.ICommunicationSVC" name="WSHttpBinding_ICommunicationSVC">identity><dns value="vtpl-068" />-->servicePrincipalName value="vtpl-068>" />identity>endpoint>client>binding="wsHttpBinding" bindingConfiguration="WSHttpBinding_ICommunicationSVC"algorithmSuite="Default" establishSecurityContext="true" />security>binding>wsHttpBinding>bindings>client>endpoint address="http://vtpl-068:8731/Design_Time_Addresses/SendSMSSVC/CommunicationSVC/"realm="" />message clientCredentialType="Windows" negotiateServiceCredential="true"enabled="false" />security mode="Message">transport clientCredentialType="None" proxyCredentialType="None"maxBytesPerRead="4096" maxNameTableCharCount="16384" />reliableSession ordered="true" inactivityTimeout="00:10:00"textEncoding="utf-8" useDefaultWebProxy="true" allowCookies="false">readerQuotas maxDepth="32" maxStringContentLength="8192" maxArrayLength="16384"maxBufferPoolSize="524288" maxReceivedMessageSize="65536" messageEncoding="Text"bypassProxyOnLocal="false" transactionFlow="false" hostNameComparisonMode="StrongWildcard"openTimeout="00:01:00" receiveTimeout="00:10:00" sendTimeout="00:01:00"bindings>wsHttpBinding>binding name="WSHttpBinding_ICommunicationSVC" closeTimeout="00:01:00"