With this latest revision, our main priority was to resolve unclear or incomplete areas of the CCXML specification. During this process several sections of the. The CCXML specification defines both a state machine and event handing syntax and a standardized set of call control elements. This tutorial implements the CCXML specification that was used for the CCXML is a new language, so new that the W3C specification has not.

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An implementation platform is not required to use the specified data and certain protocols and network elements may prevent its use. Platforms that do not support hints MAY ignore this attribute. As both SIP and CCXML technologies are finding rapid adoption by carriers, enterprises, and consumers, many in the industry have wondered how these technologies work together in next generation telephony deployments.

The actual output streams of a Conference Object are derived by mixing all its input streams, less any contributed audio of an individual Connection, Conference Object who receives that output. Note the platform is not required to generate the connection.

Voice Browser Call Control: CCXML Version 1.0

The ” basichttp ” processor is intended as a minimal interoperable mechanism for sending and receiving events between external components and CCXML 1. If the connectionid attribute is omitted, the interpreter will disconnect using the id indicated in the current event being processed. If the conference already exists, then this attribute must be ignored.

A valid time value for the HTTP specificatiln. If for any reason the implementation is unable to create the bridge using the specified options it MUST fail with a ccxm. Connection Objects are created when a incoming call arrives to the platform via a connection. This indicates that the document is willing to use content whose age is no greater than the specified time in seconds.


CSTA however, abstracts various details of underlying signalling protocols e. For example, when an application processes a Connection ccxnl such as connection. These events may be further categorized as follows:.

Originally there was an intention to add new tags to VoiceXML to support the new features. This scheme applies recursively; using ” a. If a conference already exists the platform must return the conference identifier of the previously created conference.

The unique identifier for the event. If this is an off-platform event, the platform MUST implicitly tear down any existing bridges to the connection and send a conference. A description of the reason the merge failed.

Return values from the ccxml session. This identifier can be tested by the fetch completion event handler to distinguish among several outstanding fetch requests. Note that when the xmlns attribute is used alone, it sets the default namespace for the element on which it appears and for any child elements.

Call Control eXtensible Markup Language – Wikipedia

The fields in this event are:. These groups will review the specification to ensure it fits well, where required, with their own work. An ECMAScript Boolean expression which returns a character ccxmp, that identifies the termination style of the dialog.

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For incoming calls, the selection of the initial URI and fetching parameters is platform-dependent, and MAY be based on information from the incoming call. In the ” bin directory there is a class called ” TestGenerator “. Eventsand Handling for richer and more asynchronous events. Secification is an example of the logic to support the VoiceXML 2. The identifier of the connection to which the dialog connection could not be started usually the connectionid that was specified in the dialogstart or dialogprepare.

Values defined by the specification are: The following values can be used: If ccxmp amount of time ccxl unlimited the value must be 0s.

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Variables defined in the session scope are subject to the parent scope chain delegation model but do not have a parent scope defined. This event MUST be thrown when a move request performed by a session fails to complete successfully.

Additionally, this call model is small and easily-understood so that concrete example programs can be written. The CCXML program spends almost all its time removing the event at the queue’s specificatiion, processing the event, and then removing the next event.

VoiceXML Review – Features – CCXML Update

A Valid The developer may also specify a URI value which points to a user-defined wav file to be played instead of the default system beep. An ECMAScript expression that evaluates to a string at run-time providing information specjfication the unconditional exit information. This time interval must be interpreted by the new CCXML session as the specificxtion time it may wait for the completion of the fetch for the initial document specified by the next attribute.

Edited by RJ Auburn Voxeo. See W3C mailing list and archive usage guidelines.

Names are sent exactly as they are specified. However, it is permissible for a CCXML implementation to optimize session changes by “lazy-binding” values as they are accessed or evaluated by specificcation CCXML program, so as to minimize processing time.

Call Control eXtensible Markup Language

The eventsource has the value of the speccification eventsource ” parameter if provided; otherwise eventsource is undefined. The authors of this document are participants in the Voice Browser Working Group. A description of the reason the dialog had an error.

Call control includes handling incoming calls, placing outgoing calls, bridging or conferencing multiple call legs, and ultimately disconnecting calls.