Developing Wcf Callback service using netTcpBinding -

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i stuck in problem regarding wcf callback service.

i trying develop wcf callback service using nettcpbinding, created callback service using wsdualhttpbinding when try achive same thing using nettcpbinding, stuck in problem.

sometimes "contract requires duplex, binding 'basichttpbinding' doesn't support or isn't configured support it."

or "this protocol not support nettcpbinding"

so can show me how configure web.config file , how overcome types of error..

thank you.

without supplying code , config using difficult tell causing error.

maybe take @ duplex messaging , technet: creating duplex service.


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