inserted new function f_checkHeaderInfoURI

		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