inserted new function f_checkHeaderInfoURI

LibSip_Steps.ttcn

@@ -684,6 +684,26 @@ group FieldOperations {
 		return(v_locAddr);
 	  } // end f_getContactAddr
 
+	/**
+		* 
+		* @desc function checks if History-Info-Header of the p_message contains a particular URI
+		* @param p_message (request or response) SIP message to be analysed
+		* @param p_URI name of parameter
+		* @return true if p_URI parameter exist
+		*/
+	function f_checkHeaderInfoURI(in Response p_message, SipUrl p_URI) return boolean
+	{
+			var integer v_chargeParamsLen;
+	  
+			if (ispresent(p_message.msgHeader.historyInfo)) {		
+		for (var integer i:=0; i<sizeof(p_message.msgHeader.historyInfo.historyInfoList); i:=i+1)
+				{if(p_message.msgHeader.historyInfo.historyInfoList[i].nameAddr.addrSpec == p_URI)
+					{return (true)}
+				};
+			}
+			return (false)
+	}
+	
 	/**
 	* 
 	* @desc function returns the Userinfo from  a given To header field