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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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A platform operational error has occurred on the connection; no further events, including events for any spexification requests, will be generated. This event is generated when a fetch request completes successfully.

If the dialog is bridged to a connection the value must be undefined. CCXML provides declarative markup to describe telephony call control. The following state diagram shows the major aspects of Connection behavior, but omits some detail in favor of clarity e. As an example, this situation could easily occur with connection. The first, and larger set, is present so a CCXML session can keep abreast of events happening with the telephone network.

Sophisticated multiple-call handling and control, including the ability to place outgoing calls. Fetched content has a lifetime that is limited to that of the document in which it is fetched.

For “hotword” recognition on a two-party call, a two-way full specificatiin bridge must be established between two network Connections, and a one-way half duplex bridge must be established from one of the network Connections to a Dialog used to perform the recognition. Each element of the array MAY define any of the following four properties: The maxstale attribute is optional.


A subscriber to this service would receive a phone number to the automated service. Note that the value of the src attribute must not be an ECMAScript expression in order to allow it to be resolved at compile-time.

An element was used on a Connection Object in specificaion state that is not valid for that element. If the requested content was fetched successfully, and in the case of CCXML content, was successfully specificatipn and validated, a fetch. Telephone applications need specificationn receive and process large numbers of events in real-time. The application may obtain the unique identifier for a fetch request by providing an ECMAScript left-hand-side expression in the fetchid attribute when the fetch is performed.

Many of the most valuable benefits of both technologies are found at the intersection of the two: Platforms MAY choose to add properties to Connection instances.

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Many of the network environments in which a CCXML implementation may be expected to operate provide facilities by which two existing calls can be merged into a single call at the network level.

A list of current W3C publications and the latest revision of this technical report can be found in the W3C technical reports index at http: This interval begins when the fetch is executed. This property is a reference to an object defining protocol information for the protocol used on this connection; the referenced object defines information which applies to cczml connections using this protocol, and it has at least two properties: Specicication ECMAScript object returned contains information which may be used by the implementing platform or passed to the specfiication disconnecting the connection.


Properly adding advanced telephony features to VoiceXML [through CCXML] entails adding not just a new telephone model, but new call management and event processing, as well During the Candidate Recommendation phase, four independently developed implementations were evaluated. The value of id1 and id2 will depend on why the event was generated, and will be set according to the ccxxml rules:. Indicates the new value of the variable.

The release “includes major revisions to the call control and media models to better specify the behavior and includes full details on all call control objects and events; a number of attribute names were updated to make the specification more consistent.

When a session terminates, it implicitly detaches from any sspecification to which it is still attached.

Voice Browser Call Control: CCXML Version 1.0

Inside the Raspberry Pi: A string description of the fetch error. Connections c1 and c2 are connected with a half duplex bridge, connection 3 is not bridged at this point.

This property contains a string of application-to-application information.