PHP with wsHttpBinding with TransportWithMessageCredential using UserName Message Security

Hi, We have developed a .NET WCF web service that uses wsHttpBinding with TransportWithMessageCredential using UserName Message Security.  It uses SSL to secure the transport and username security for the messages.

Should I be able to connect to this from PHP? If not, which sections of this security configuration are not yet supported in PHP?

The config below is for my .NET test client's wsHttpBinding (the important section being security)

     <wsHttpBinding>
                <binding name="WSHttpBinding_IManagementService" closeTimeout="00:10:00"
                    openTimeout="00:10:00" receiveTimeout="00:10:00" sendTimeout="00:10:00"
                    bypassProxyOnLocal="false" transactionFlow="false" hostNameComparisonMode="StrongWildcard"
                    maxBufferPoolSize="5242880" maxReceivedMessageSize="655360"
                    messageEncoding="Text" textEncoding="utf-8" useDefaultWebProxy="true"
                    allowCookies="false">
                    <readerQuotas maxDepth="32" maxStringContentLength="81920" maxArrayLength="163840"
                        maxBytesPerRead="40960" maxNameTableCharCount="163840" />
                    <reliableSession ordered="true" inactivityTimeout="00:10:00"
                        enabled="false" />
                    <security mode="TransportWithMessageCredential">
                        <transport clientCredentialType="None" proxyCredentialType="None"
                            realm="" />
                        <message clientCredentialType="UserName" negotiateServiceCredential="true"
                            algorithmSuite="Default" establishSecurityContext="true" />
                    </security>
                </binding>
            </wsHttpBinding>

Any help in consuming this web service in PHP is grately received,

Regards