Fixes in call card plugin integration.

git-svn-id: http://csipsimple.googlecode.com/svn/trunk/CSipSimple@2317 9f815046-5998-e9c0-b7e2-ac03a23edfa4
Fixes in call card plugin integration.

git-svn-id: http://csipsimple.googlecode.com/svn/trunk/CSipSimple@2318 9f815046-5998-e9c0-b7e2-ac03a23edfa4