Polycom SIP 2.2.0 Instruction Manual

August, 2007 Edition
1725-17693-210 Rev. A
SIP 2.2.0
Web Application Developer’s Guide
for the SoundPoint®
IP/SoundStation®IP Family
SIP 2.2.0

Polycom Inc.
4750 Willow Road
Pleasanton, CA 94588-2708
USA
No part of this document may be reproduced or transmitted in any form or by any means, electronic or mechanical, for
any purpose, without the express written permission of Polycom, Inc. Under the law, reproducing includes translating
into another language or format.
As between the parties, Polycom, Inc. retains title to, and ownership of, all proprietary rights with respect to the software
contained within its products. The software is protected by United States copyright laws and international treaty
provision. Therefore, you must treat the software like any other copyrighted material (e.g. a book or sound recording).
Every effort has been made to ensure that the information in this manual is accurate. Polycom, Inc. is not responsible
for printing or clerical errors. Information in this document is subject to change without notice.
Trademark Information
Polycom®, the Polycom logo design, SoundPoint® IP, SoundStation®, SoundStation VTX 1000®, ViaVideo®,
ViewStation®, and Vortex® are registered trademarks of Polycom, Inc. Conference Composer™, Global Management
System™, ImageShare™, Instructor RP™, iPower™, MGC™, PathNavigator™, People+Content™, PowerCam™,
Pro-Motion™,QSX™,ReadiManager™,Siren™,StereoSurround™,V2IU™, VisualConcert™,VS4000™,VSX™,and
the industrial design of SoundStation are trademarks of Polycom, Inc. in the United States and various other countries.
All other trademarks are the property of their respective owners.
Patent Information
The accompanying product is protected by one or more U.S. and foreign patents and/or pending patent applications
held by Polycom, Inc.
© 2007 Polycom, Inc. All rights reserved.

iii
About This Guide
The Developer’s Guide for the SoundPoint IP / SoundStation IP family is for
developers of applications which use the Microbrowser on SoundPoint IP /
SoundStation IP phones.
The following related documents for SoundPoint IP / SoundStation IP family
are available:
•Quick Start Guides, which describe how to assemble the phones
•Quick User Guides, which describe the most basic features available on
the phones
•User Guides, which describe the basic and advanced features available on
the phones
•Administrator’s Guide, which describes how to configure, customize,
manage, and troubleshoot SoundPoint IP / SoundStation IP phone
systems
•Technical Bulletins, which describe workarounds to existing issues
•Release Notes, which describe the new and changed features and fixed
problems in the latest version of the software
For support or service, please contact your Polycom®reseller or go to Polycom
Technical Support at http://www.polycom.com/support/voip/.
Polycom recommends that you record the phone model numbers, software
(both the bootROM and SIP), and partner platform for future reference.
SoundPoint IP / SoundStation IP models: ___________________________
BootROM version: ________________________________________________
SIP Application version: ___________________________________________
Partner Platform: _________________________________________________

Developer’s Guide SoundPoint IP / SoundStation IP
iv

v
Contents
About This Guide . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . iii
1 Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1–1
What is the Microbrowser . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1–1
What is XHTML . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1–2
How to Create Applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1–3
2 Application Development . . . . . . . . . . . . . . . . . . . . . . . . . . 2–1
Supported XHTML Elements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–1
Basic Tags . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–2
Link Tags . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–3
Input Tags . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–3
Image Tags . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–6
Table Tags . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–7
Meta Information Tags . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–9
HTTP Support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–9
Microbrowser User Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–10
Launching the Microbrowser . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–11
Navigation and Form Editing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–11
Idle Display Microbrowser . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–12
Developing an XHTML Application . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–12
Changing Configuration Parameters . . . . . . . . . . . . . . . . . . . . . . . . . . 2–12
Sample Application . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–13
3 Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3–1
XML Errors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3–1
A Appendix . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .A–1
Unsupported XHTML Elements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A–1
Index . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Index–1

Developer’s Guide SoundPoint IP / SoundStation IP
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1 - 1
1
Overview
This chapter provides an overview of the Microbrowser available on
SoundPoint IP 330/320, 430, 501, 550, 600, 601, and 650 desktop phones and
SoundStation IP 4000 conference phone.
It also provides an introduction to XHTML and guidelines for the application
development.
This chapter contains information on:
•What is the Microbrowser
•What is XHTML
•How to Create Applications
To develop an application that can run on the Microbrowser, refer to
Application Development on page 2-1. To troubleshoot any problems with
your applications, refer to Troubleshooting on page 3-1.
What is the Microbrowser
The Microbrowser is like any Web browser—Microsoft Internet Explorer and
Firefox, for example—but supports only a subset of XHTML features. It can
connect to Web servers hosted in the Internet or intranet and download
XHTML pages. The Microbrowser supports a limited number of XHTML 1.0
features—it does not have full Web browser functionality.
The Microbrowser downloads XHTML content from a Web server into the
phone’s memory, then parses the content to identify XHTML tags and renders
these tags onto the phone's graphic display. The appearance of the rendered
page depends on the graphical capabilities and display size of the device on
which the browser is running. Complicated pages should be avoided on
devices with very small displays.
The Microbrowser does not support scripting (such as JavaScript). All actions
on data entered into forms is processed by the server using POST or GET
methods.

Developer’s Guide SoundPoint IP / SoundStation IP
1 - 2
The XHTML pages displayed on the Microbrowser can contain static or
dynamic information.
Static XHTML. These pages are created using XHTML editors and hosted by
the Web server. These pages are accessed from the Microbrowser (using HTTP
protocol) by entering the URL to access the page. These XHTML pages are
called static, because the information that is displayed is already coded into
the XHTML pages. These pages do not include information that keep changing
or contact other services for update.
Dynamic XHTML. These pages involves dynamic information updates of
XHTML pages by an application hosted on the Web server. The application
residing on the Web server will get information from an intranet or through
the Internet—data service providers like Yahoo, Exchange Server, Call Control
Servers and other enterprise servers.
Users can launch the Microbrowser on a SoundPoint IP or SoundStation IP
phone by pressing the Services key, or if there isn’t one on the phone, it can be
accessed through the Menu key by selecting Features, and then Applications.
The Microbrowser is supported on:
•SoundPoint IP 330/320 - screen resolution - 102*22 pixels (3” by 1”)
•SoundPoint IP 430 – screen resolution – 132*46 pixels (3.5”*1.5”)
•SoundPoint IP 501 – screen resolution – 160*80 pixels (4” by 2”)
•SoundPoint IP601/650 – screen resolution – 320*160 pixels (4” by 2”)
•SoundPoint IP 4000 – screen resolution – 240*68 pixels (2.4”*0.8”)
What is XHTML
XHTML is the abbreviation of eXtensible HyperText Markup Language.
XHTML 1.0 is a transformation of HTML 4.01 into valid XML. The use of the
stricter XML syntax makes parsing of XHTML much easier for small clients,
but XHTML 1.0 was also the first step towards making HTML easily
extensible. Moving to XML allowed the methods used to create XML
extensions to apply to HTML as well. Step two occurred with XHTML 1.1,
where XHTML was divided up into ‘modules’, where any features above and
beyond a skeleton set were grouped into individual modules. User agent (UA)
developers could then decide which extensions to support. A simple user
agent can be considered a fully compliant user agent by supporting only the
Basic module, whereas a more powerful browser can support all the official
modules, as well as those developed by third parties.
Note As of SIP 2.2, the Services key and menu entry were renamed Applications,
however the functionality remains the same.

Overview
1 - 3
Modularization is also intended to help content creators. As more and more
devices become web-enabled, the number of platforms a content creator will
be asked to support will become unreasonable. By dividing HTML up into
different ‘building blocks’ content creators can supply a minimal version of
their site for user agents that only support the Basic module, a moderate
version of their site for user agents who support the additional modules, and
a full version of their site for user agents that support the full range of the
XHTML specification.
Finally the X in XHTML was intended to help people who wish to extend
HTML. The use of XML brought a standard grammar with which they could
define their extension, and the modularization meant that their extension
would be just another module that a user agent developer or content creator
could choose to support. Additionally, since XHTML pages should state what
modules are required to accurately render them, the user agent software could
dynamically load a ‘plug-in’ that it could use to render a module that was
defined after the user agent had been originally released.
For more information, go to:
•HTML 4.0—http://www.w3.org/TR/1999/REC-html401-19991224
•XHTML™ 1.0—http://www.w3.org/TR/2002/REC-xhtml1-20020801
•XHTML™
Basic—http://www.w3.org/TR/2000/REC-xhtml-basic-20001219/
•XHTML™ 1.1—http://www.w3.org/TR/2001/REC-xhtml11-20010531/
•XHTML Tables Module -
XHTML™2.0—http://www.w3.org/TR/2004/WD-xhtml2-20040722/m
od-tables.html
For the purposes of this guide, it is assumed that you have experience in
HTML and XHTML programming or access to someone who has such
experience.
How to Create Applications
You can design the following types of applications:
•Web browser
•Company directory
•Stock ticker

Developer’s Guide SoundPoint IP / SoundStation IP
1 - 4
Depending on the type and complexity of the application, you might use one
of the following tools for creation:
•Text editor
•XML editor
•Microsoft Word
When designing applications, you might want to consider the following
guidelines:
1. Spend sufficient time designing the application by:
—Developing a conceptual design
—Describe all user-application interactions
—Plan for all user types
2. Create standardized applications to assist in:
—Lowering design time
—Speed up debugging
—Increasing usability
3. Promote consistent output and predictable user input.
4. Create a prototype application to test on sample users.
5. Thoroughly test your application before releasing to:
—Identify all user interface issues
—Verify that all error conditions are caught cleanly
For step-by-step instructions on how to develop an XHTML application that
can be run on the Microbrowser of all SoundPoint IP and SoundStation IP
phones, refer to Application Development on page 2-1.
Note These guidelines are for your information only. You are solely responsible for
determining the suitability and applicability of this information to your needs.
Note Polycom is not responsible for troubleshooting any programming that you create for
the Microbrowser.