WCF Exception: Text Message Encoding and ISO-8859-1 Encoding [duplicate]

Answer 1

I think you should be able to work around this by explicitly changing your binding configuration to set the textEncoding property to "iso-8859-1" instead of the default value of "utf-8".

Answer 2

Does this existing answer help? Calling a webservice that uses ISO-8859-1 encoding from WCF