http://blogs.msdn.com/pedram/archive/2008/07/19/webchannelfactory-inside-a-wcf-service.aspxWhen using a WebChannelFactory inside a WCF service that already has an OperationContext, you may need to create a new context before being able to successfully callout using a channel created by the WebChannelFactory. (Notice the line in bold ) publicen-USCommunityServer 2.1 SP1 (Build: 61025.2)http://blogs.msdn.com/pedram/archive/2008/07/19/webchannelfactory-inside-a-wcf-service.aspx#8755093Sat, 19 Jul 2008 16:59:38 GMT91d46819-8472-40ad-a661-2c78acb4018c:8755093Pregnant Man &raquo; WebChannelFactory inside a WCF Service<p>PingBack from <a rel="nofollow" target="_new" href="http://wordnew.acne-reveiw.info/?p=10869">http://wordnew.acne-reveiw.info/?p=10869</a></p> http://blogs.msdn.com/pedram/archive/2008/07/19/webchannelfactory-inside-a-wcf-service.aspx#8756525Sun, 20 Jul 2008 01:36:06 GMT91d46819-8472-40ad-a661-2c78acb4018c:8756525pedramr<p>See <a rel="nofollow" target="_new" href="http://blogs.msdn.com/pedram/archive/2008/04/21/how-to-consume-rest-services-with-wcf.aspx">http://blogs.msdn.com/pedram/archive/2008/04/21/how-to-consume-rest-services-with-wcf.aspx</a> for how to consume REST services with WCF</p> http://blogs.msdn.com/pedram/archive/2008/07/19/webchannelfactory-inside-a-wcf-service.aspx#9584978Mon, 04 May 2009 01:34:57 GMT91d46819-8472-40ad-a661-2c78acb4018c:9584978Alex<p>Many thanks for this hint!</p> <p>I was puzzled with this issue for few days.</p> <p>Would also like to know why without new context WCF uses POST instead of GET?</p>