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W
XML?
HAT IS
XML is a markup language * for documents and applications containing structured information.
information contains both content (words, pictures, etc.) and an indication of what role that content plays
(e.g. content in a section heading is different than content in a footnote, which is different than content in a
figure caption or content in a database table, etc.). Almost all documents have some structure.
A markup language is a mechanism to identify structures in a document. The XML specification defines a standard
*
way to add markup to documents.
W
XML?
HY
What benefits does XML provide to SIP endpoints? XML enables our SIP phones to serve as output devices
for many exciting applications.
applications in a flexible and programmable manner. Three specific XML applications supported by
Grandstream include XML Custom Screen, XML Phonebook, and XML Survey Application.
application is a custom application where the XML framework is an interactive, real-time implementation and
XML messaging is dynamic, depending on a configurable object set.
XML A
RCHITECTURE
XML applications can be initiated in several ways.
1. The first architecture is if the phone initiates a request for a service. In this instance, the GXP will
receive a 200 OK with a XML document as its content.
2. The second architecture is in a closed network. An application in a closed network may exchange
information in the following manner:
Grandstream Networks, Inc.
The XML infrastructure allows our phones to interact with external
XML Application Guide
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Last Updated: 3/2009
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