and .]]> is executed, its child elements are collected logically together at the beginning of the document and executed in document order before the target .]]> can designate the CCXML namespace. This can be achieved by declaring an xmlns attribute or an attribute with an " xmlns " prefix.]]> element must contain a version attribute. The initial version number is 1.0.]]> element may contain a xml:base attribute. This is the URI which all relative references within the document take as their base.]]> element.]]> element may conatin a name attribute indicating the name of the metadata information]]> element must contain a content attribute. If not specified, error.fetch event will be thrown.]]> element. is a container in which information about the document can be placed using a metadata language.]]> may not specify any attributes. If attributes are specified, an error.fetch event is thrown]]> element. An is a container for conditionally executed elements]]> and can optionally appear within an as immediate children]]> has no immediate or children, the full contents of the will be selected when the cond attribute is true]]> element must contain a cond attribute. If not provided, an error.fetch event is thrown.]]> partitions the content of an , and provides a condition that determines the selection of the partition it begins]]> element must contain a cond atribute.If a cond atribute is not provided for an , error.fetch event is thrown.]]> is a synonym for .]]> method attribute may have a value set to "get"]]> method attribute may have a value set to "post"]]> is used to asynchronously fetch content identified by the attributes of the ]]> , content fetched in the scope of the current document is no longer accessible.]]> element may contain a type attribute.]]> element may contain a namelist attribute. The namelist content will be submitted to the server where the URL is located.]]> element may contain a method attribute specifying the HTTP method to use.]]> element may contain a fetchid attribute.]]> element may contain a timeout attribute. The fetch will fail if not completed at the end of this interval. A failed fetch will return the error.fetch event.]]> element may contain an enctype attribute indicating the media encoding type of the submitted document. If an enctype is specified, the value must be: application/x-www-form-urlencoded. ]]> is accessible through other elements defined by CCXML]]> transfers control to the document obtained through a fetch request, using the platform-generated unique identifier associated with that fetch request.]]> is executed, otherwise, an error.semantic event is generated.]]> is executed, the target document replaces the current document in its session.]]> element is executed]]> element must contain a fetchid attribute. If the fetchid attribute is not provided and error.fetch event is thrown.]]> is used to create another CCXML session, which begins execution with the document identified by this element.]]> element immediately, and the CCXML interpreter can continue on while the new CCXML session is established and loads its initial document.]]> ends execution of the CCXML session. All pending events are discarded, and there is no way to restart CCXML execution.]]> element may have a label attribute to indicate the purpose of the log.]]> element must provide an expr attribute evaluating to string to be logged]]> element, "error" - Session ended due to an unhandled error event, "kill" - Session ended due to ccxml.kill* event]]> which created this session]]> expr attribute]]> .]]> ]]> to start this document.]]> .]]> element is processed. If the event is not caught the session will be terminated and all active connections, conferences and dialogs that are owned by that session will be automatically terminated by the platform]]> request that created the session]]> request that created the session]]> , , and elements though the exact behaviour may vary depending on the dialog environments supported.]]> element does not block the processing of further events by the CCXML session.]]> element is entirely optional, applications may choose to simply use without prior preparation.]]> attributes, create a Dialog object, and return a new unique value to the location defined by the dialogid attribute and throw a dialog.prepared event.]]> element MAY have a parameters attribute whose value is a Var-list of one or more whitespace separated CCXML variable names. These variables are sent to the dialog environment as a list of name/value pairs.]]> is a Var-list. Names are sent exactly as they are specified. Values are formed by converting the referenced ECMAScript variable to string form (which is undefined for objects). ]]> element, if the attribute value of dialogid is invalid, an error.semantic event MUST be thrown.]]> element MUST have a src attribute]]> is an ECMAScript expression which returns a character string identifying the URI of the dialog document that the dialog interpreter should prepare.]]> element MAY have a type attribute whose value is an ECMAScript expression that MUST contain a valid MIME type.]]> element MAY have a namelist attribute whose value is a Var-list of zero or more whitespace separated CCXML variable names. These variables MUST be submitted to the server, with the same qualification as used in the namelist.]]> is a Var-list. When an ECMAscript variable is submitted to the server, its value MUST be first converted into a string before being submitted.]]> element MAY have a dialogid attribute whose value is an ECMAScript Left Hand Side Expression evaluating to a previously defined variable.]]> is an ECMAScript left hand side expression, whose value MUST receive a dialog identifier value for the launched dialog interpreter instance.]]> element MAY have a connectionid attribute whose value is an ECMAScript Expression which returns the identifier of a connection. If specified, the dialog being prepared MUST be joined to the referenced connection as specified by the mediadirection attribute. ]]> is an ECMAScript expression. If the attribute value is invalid, an error.semantic event MUST be thrown.]]> element MAY have a conferenceid attribute whose value is an ECMAScript Expression which returns the identifier of a conference bridge. If specified, the dialog being prepared MUST be joined to the referenced conference as specified by the mediadirection attribute.]]> is an ECMAScript expression. If the attribute value is invalid, an error.semantic event MUST be thrown.]]> element MAY have a mediadirection attribute whose value is an ECMAScript Expression that defines the direction of the media flow between the Dialog and the Connection or Conference. If the value is "both", it specifies a full duplex connection where the media flows in both directions.]]> element MAY have a mediadirection attribute whose value is an ECMAScript Expression that defines the direction of the media flow between the Dialog and the Connection or Conference. If the value is "dialogtransmit", the dialog transmits media to the Connection or Conference but does not receive any media streams]]> element MAY have a mediadirection attribute whose value is an ECMAScript Expression that defines the direction of the media flow between the Dialog and the Connection or Conference. If the value is "dialogreceive", the dialog receives media from the Connection or Conference but does not transmit any media streams.]]> element MAY have a maxage attribute whose value is a valid time value for the HTTP 1.1 request [RFC2616].]]> element MAY have a maxstale attribute whose value is a valid time value for the HTTP 1.1 request [RFC2616].]]> element MAY have a enctype attribute, whose value is an ECMAScript expression which returns a character string that indicates the media encoding type of the submitted document. If the value is "application/x-www-form-urlencoded", this indicates that the ccxml variables specified in the namelist will be url encoded.]]> element MAY have a method attribute whose value is an ECMAScript expression which returns a character string that indicates the HTTP method to use. Values defined by the specification are: GET and POST.]]> element MUST include either a URI reference to the initial document for the dialog or the identity of a previously prepared dialog.]]> is executed, the dialog executes on a separate logical execution thread (this MAY be a thread, process, or system depending upon platform implementation) and does not block the processing of further events by the CCXML session.]]> is specified, and if the dialog language allows access to telephony variables such as ANI, DNIS and UUI, values of these variables MUST be propagated from the specified connection to the dialog application.]]> element this MUST result in the throwing of an error.dialog.notstarted event.]]> element MAY have a parameters attribute whose value is a Var-list of one or more whitespace separated CCXML variable names. These variables are sent to the dialog environment as a list of name/value pairs.]]> is a Var-list. Names are sent exactly as they are specified. Values are formed by converting the referenced ECMAScript variable to string form (which is undefined for objects). ]]> element MAY have a parameters attribute. This attribute MUST NOT be specified in conjunction with the prepareddialogid attribute.]]> element, if the attribute value of dialogid is invalid, an error.semantic event MUST be thrown.]]> element, if the dialog was previously prepared using a dialogprepare element with a connectionid or conferenceid specified, and this attribute is also specified, execution of the dialogstart MUST fail with an error.dialog.notstarted event. ]]> element MAY have a src attribute. This attribute MUST NOT be specified in conjunction with the prepareddialogid attribute.]]> is an ECMAScript expression which returns a character string identifying the URI of the dialog document that the dialog interpreter MUST load and begin execution upon startup.]]> is an ECMAScript expression which returns a dialog identifier of a dialog previously prepared by the execution of a element.]]> element MAY have a type attribute. This attribute MUST NOT be specified in conjunction with the prepareddialogid attribute.]]> is an ECMAScript expression that MUST contain a valid MIME type.]]> element MAY have a namelist attribute. This attribute MUST NOT be specified in conjunction with the prepareddialogid attribute.]]> element MAY have a namelist attribute whose value is a Var-list of zero or more whitespace separated CCXML variable names. These variables MUST be submitted to the web server, with the same qualification as used in the namelist.]]> element MAY have a namelist attribute whose value is a Var-list of one or more whitespace separated CCXML variable names. When an ECMAscript variable is submitted to the web server, its value MUST first converted into a string before being submitted.]]> element MAY have a dialogid attribute whose value is an ECMAScript Left Hand Side Expression evaluating to a previously defined variable. The value of the attribute MUST receive a dialog identifier value for the launched dialog interpreter instance.]]> element MAY have a connectionid attribute whose value is an ECMAScript expression which returns the identifier of a connection. If specified, the dialog being started MUST be joined to the referenced connection as specified by the mediadirection attribute.]]> element, if the attribute value of connectionid is invalid an error.semantic event MUST be thrown.]]> element MAY have a conferenceid attribute whose value is an ECMAScript Expression which returns the identifier of`a conference bridge. If specified, the dialog being started MUST be joined to the referenced conference as specified by the mediadirection attribute.]]> element, if the attribute value of conferenceid is invalid an error.semantic event MUST be thrown.]]> element MAY have a mediadirection attribute whose value is an ECMAScript Expression that defines the direction of the media flow between the Dialog and the Connection or Conference. If the value is "both", it specifies a full duplex connection where the media flows in both directions.]]> element MAY have a mediadirection attribute whose value is an ECMAScript Expression that defines the direction of the media flow between the Dialog and the Connection or Conference. If the value is "dialogtransmit", the dialog transmits media to the Connection or Conference but does not receive any media streams]]> element MAY have a mediadirection attribute whose value is an ECMAScript Expression that defines the direction of the media flow between the Dialog and the Connection or Conference. If the value is "dialogreceive", the dialog receives media from the Connection or Conference but does not transmit any media streams.]]> element, if both the mediadirection and the prepareddialogid are specified and the bridge type specified by the mediadirection attribute does not match that used on the previous element, an error.dialog.notstarted event MUST be raised.]]> element MAY have a maxage attribute whose value is a valid time value for the HTTP 1.1 request [RFC2616].]]> element, the maxage attribute MUST NOT be specified used with prepareddialogid.]]> element MAY have a maxstale attribute whose value is a valid time value for the HTTP 1.1 request [RFC2616].]]> element, the maxstale attribute MUST NOT be used with prepareddialogid.]]> element, the enctype attribute MUST NOT be used with prepareddialogid.]]> element MAY have a enctype attribute, whose value is an ECMAScript expression which returns a character string that indicates the media encoding type of the submitted document. If the value is "application/x-www-form-urlencoded", this indicates that the ccxml variables specified in the namelist will be url encoded.]]> element MAY have a method attribute whose value is an ECMAScript expression which returns a character string that indicates the HTTP method to use. Values defined by the specification are: GET and POST.]]> element, the method attribute MUST NOT be used with prepareddialogid.]]> element MAY still return data to the CCXML application using a dialog.exit event if the value of the immediate attribute is false or unspecified.]]> element, if the immediate attribute is set to true, the dialog MUST NOT return data to the CCXML application and the CCXML interpreter MUST post a dialog.exit event immediately.]]> element MUST have a dialogid attribute whose value is an ECMAScript expression which returns a character string identifying the dialog.]]> element MUST have a dialogid attribute. If the attribute value is invalid, an error.semantic event MUST be thrown.]]> element MAY have an immediate attribute whose value is an ECMAScript expression which returns a character string, that identifies the termination style of the dialog. Valid values are: true and false.]]> or ).]]> or ).]]> request.]]> or ).]]> or ).]]> or ).]]> or ).]]> or ).]]> or ).]]> or ).]]> or ).]]> or ).]]> or ).]]> element fails because the dialog cannot be started for some reason.]]> or ).]]> or ).]]> or ).]]> or ).]]> element.]]> ).]]> ).]]> element fails.]]> ).]]> ).]]> or and referenced in the session.dialogs associative array.]]> or a var statement within a