Further fixes.

	  var Via 		vc_via_REG		:= c_empty_Via; // via used in last REGISTER

	  var ContentType vc_contentType:= c_empty_ContentType;//MRO

	  var template RecordRoute vc_recordRoute; 			 // value of RecordRoute header

	  var template(value) RecordRoute vc_recordRoute; 			 // value of RecordRoute header

	  var boolean  vc_boo_recordRoute := false; // boolean indicates valid recordRoute

	  var template (omit) Route		vc_route; 					 // value of Route header

	  var template Route		vc_route_REG;				 // value of Route header from registration ServiceRoute header for initial Requests