[SOLVED] WS Encoded (?) response

Hello,

When I launch a request on an existing webservice, I receive what it seems to be an encoded response :
Request :

   

   
     
         SGDFtesteSiebel
     
   


Response :
�SAn�0 �
��E� ��� $�c h��J��
VZ) $R�d��o�ֿ�'yIH�r-;�O��� i�T|��+ցA��<��Q�@e:��� ߞ &��M ���_'�/�g �A� `֦p6������q��3� C+� M�M� ���<��-ʽk�ل����C M�ϟ�>h" �P �w��]�� ���%��� Z�S�wu�% �p�X k!�0�5 (�ఉ.Y� ��Q�c���mQ i ��a� �����WF�]<�֖ ��bё% ��% ��R>��3�B0�p�� U�S�%BF� �� (��: �dg �;BT;�=�^ '�_���tk�,t�7 ��wE2�FQ���3q
�� �U����?��H� �, 6 `�� l�ʅ"��/K�� d��T�/�b> s����kd���O~��

I think that it comes form my soapUI 3.0.1 configuration. A colleage, which has soapUI 2.5, get a correct response.

thanx in advance for your help.

Christophe