WML syntax specifications for Avaya J100 Series IP Phones

Last Updated : Aug 28, 2026 |
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General WML syntax specifications

The following table shows WML syntax requirements supported by Avaya J100 Series IP Phones and exceptions to them:
Specification
External standard reference
Exception
WML 1.3 support
Wireless Application Protocol, Wireless Markup Language Specification, Version 1.3, WAP-191-WML
The following are the groups of 1.3 elements are their attributes which will be ignored by the Avaya J100 Series IP Phones WML browser:
  • access control element: <access>
  • text formatting elements: <b>, <big>, <em>, <i>, <pre>, <small>, <strong>, <u>
  • fieldset element: <fieldset>
  • table elements: <table>, <td>, <tr>
A <wml> element can contain files up to 1 MB. All data exceeding this limit will be discarded.
N/A
No
Support for WML encoded by the UFT-8 encoding of Unicode
The Unicode Standard, Version 5.0, Fifth Edition
The UTF-16 encoding of Unicode is not supported.
Support for the following WML variables:
  • IPADD
  • MACADDR
  • MODEL
  • PHONEXT
N/A
Changing the value of these variables via a <setvar> element is not allowed.
A History Stack can store URLs and ID attributes for up to 100 cards.
If the History Stack is full, the oldest entry will be deleted before a new entry is added.
N/A
No
Error messages are created in the following cases:
  • a WML file cannot be obtained.
  • a WML file is encoded in a non-supported character encoding.
  • A card cannot be rendered.
  • A WML file is too large.
Avaya J100 Series IP Phones display the “Page cannot be rendered” notification.
N/A
Any undefined 4xx response code is treated as 400 (Bad Request).
Any undefined 5xx response code is treated as 500 (Internal Server Error).

WML elements in Avaya J100 Series IP Phones

The following table shows WML elements supported by the Avaya J100 Series IP Phones WML browser, their attributes, values, and description:
Element name
Attributes and values
Description
<wml>
style: specifies CSS properties. If not defined specifically, all child elements inherit this element.
For more information about this attribute syntax and values, see Cascading Style Sheet support.
A core WML element. Inherits values from the Cascading Style Sheets (CSS) color properties of the default text.
<head>
N/A
A core WML element. Contains only a <meta> element.
This element is not visually rendered on Avaya J100 Series IP Phones.
<meta>
The following attributes are supported:
  • content: specifies a description of the name attribute.
  • name: specifies the name portion of content and name values.
A core WML element. It is not visually rendered.
The name attribute can be only specified as title, and its value is rendered as the title on the Title line of a WML browser.
<card>
The following attributes are supported:
  • newcontext
    The following values are allowed:
    • true: all variable bindings and the History Stack will be cleared
    • false (default)
  • onenterbackward: specifies a URI to be processed if the card is rendered as the result of a prev task or as the result of a Back operation on the History Stack.
  • onenterforward: specifies a URI to be processed if the card is rendered as the result of a go task or as the result of a Forward operation on the History Stack.
  • ontimer: specifies a URI to be processed when the timer expires.
  • style
  • title: specifies a card title. The default value is New card.
A core WML element. Equivalent to an HTML page element.
<template>
The following attributes are supported:
  • onenterbackward
  • onenterforward
  • ontimer
  • style
This element is used to apply do and onevent elements to all cards in a deck.
The event type set as an attribute has a higher priority than the event type set in a <onevent> element. However, if event attribute is not set in a <template> element, it is inherited from an <onevent> element.
<br>
Only style attribute is supported for this element.
A WML element which defines a line break.
<p>
The following attributes are supported:
  • align: specifies how the content is aligned. The set alignment applies to all content except for <input> elements which always align left.
    The following values are allowed:
    • left (default)
    • right
    • center
  • mode: specifies whether the text within the paragraph can rendered on multiple lines.
    The following values are allowed:
    • wrap (default)
    • nowrap
  • style
A WML element which defines a paragraph of the text which is rendered in a new line.
This element can contain the following text elements:
  • <p>
  • <a>
  • <anchor>
  • <option>
<a>
The following attributes are supported:
  • accesskey: specifies a dial pad key used to activate the element. If this attribute is specified, any text contained within the <a> element will not be rendered.
    The value is one character which can be digits 0 – 9, ‘*’ or ‘#’
  • href: specifies the URI to be processed when the element is activated.
    For more information about this attribute values, see URI support.
  • style
  • title: specified a title for the element.
This element provides a simpler alternative to an anchor element with an embedded <go> element.
<anchor>
The following attributes are supported:
  • accesskey
    The value is one character which can be digits 0 – 9, ‘*’ or ‘#’
  • style
  • title
Enables navigation between WML cards of the same deck or a different one.
<img>
The following attributes are supported:
  • alt: specifies alternative text to display if the image cannot be rendered.
    The default value is Image not rendered.
  • hspace: specifies space to the left and to the right of the image, either in pixels (n) or as a percentage of the phone screen width (n%).
    The default value is 0 pixels.
  • src: specifies the URL from which the image is obtained.
  • style
  • vspace: specifies the space above and below the image either in pixels (n) or as a percentage of the scroll panel height (n%).
    The default value is 0 pixels.
A WML element used to include an image in a WML card.
<do>
The following attributes are supported:
  • type: a mandatory attribute. Specifies the type of the <do> element.
    The following values are allowed:
    • accept
    • delete
    • help
    • options
    • prev
    • reset
    • unknown
  • label: specifies a label for the <do> element.
    If this attribute is not specified, the default value of the label attribute is based on the type attribute value, i.e., Accept, Delete, Help, Options, Back (prev), Refresh (Reset), Unknown.
  • name: specifies a name for the <do> element.
  • style
A WML element used to associate a UI element to a certain task.
The <do> element can be used to specify soft keys additional to default soft keys.
Note:
In Input mode, the Edit soft key is added to empty locations.
If no <do> elements are specified, the default soft keys are rendered (the order of list items corresponds to four soft key labels from left to right):
  • empty
  • Home
  • Refresh
  • Exit
If one <do> element is specified, it is displayed on the leftmost soft key and the default soft keys are shifted to the right:
  • first <do>
  • Home
  • Refresh
  • Exit
If two <do> elements are specified, they are displayed as follows:
(Page 1 soft keys)
  • first <do>
  • second <do>
  • empty
  • More
(Page 2 soft keys)
  • Home
  • Refresh
  • Exit
  • More
If three <do> elements are specified, they are displayed as follows:
(Page 1 soft keys)
  • first <do>
  • second <do>
  • third <do>
  • More
(Page 2 soft keys)
  • Home
  • Refresh
  • Exit
  • More
If four <do> elements are specified, they are displayed as follows:
(Page 1 soft keys)
  • first <do>
  • second <do>
  • third <do>
  • More
(Page 2 soft keys)
  • fourth <do>
  • Home
  • Refresh
  • More
(Page 3 soft keys)
  • empty
  • empty
  • Exit
  • More
If five <do> elements are specified, they are displayed as follows:
(Page 1 soft keys)
  • first <do>
  • second <do>
  • third <do>
  • More
(Page 2 soft keys)
  • fourth <do>
  • fifth <do>
  • empty
  • More
(Page 3 soft keys)
  • Home
  • Refresh
  • Exit
  • More
<onevent>
Only type attribute is supported for this element. It specifies the type of the event.
The following values are allowed:
  • onenterbackward: occurs when a <prev> task is activated or when a Back operation is invoked on the History Stack.
  • onenterforward: occurs when a <go> task is activated or when a Forward operation is invoked on the History Stack.
  • onpick: occurs when an <option> element is selected or deselected.
  • ontimer: occurs when a timer expires.
Note:
onenterbackward, onenterforward and ontimer attribute values are allowed when the <onevent> element is included into a <template> or a <card> element.
A WML element used to handle events.
The Avaya J100 Series IP Phones WML browser supports four standard types of WML events.
This element is not visually rendered.
<postfield>
The following attributes are supported:
  • name
  • value
A WML element used to send variables values to the server. The method used to obtain a deck is defined by method in a <go> element.
This element is not visually rendered.
<go>
The following attributes are supported:
  • href
  • method: specifies an HTTP method used to obtain a deck.
    The following values are allowed:
    • post: the request data is appended to the URL.
    • get (default): the request data is sent in the body of the request.
  • sendreferer: if set to true, the URL of the current deck is included in the HTTP request in a Referer header.
    The allowed values are the following:
    • true
    • false (default)
A task element enclosed in the <do> element.
This element is not visually rendered.
<noop>
N/A
When the <noop> element is activated, no task is performed.
This element is not visually rendered.
<prev>
N/A
When the <prev> element is activated, a Back operation is invoked.
This element is not visually rendered.
<refresh>
N/A
When the <refresh> element is activated, the card that contains this element is redownloaded and rerendered. The History Stack is not changed when a card is refreshed.
This element is not visually rendered.
<input>
The following attributes are supported:
  • emptyok: specifies whether the <input> field can be empty.
    The following values are supported:
    • true (default)
    • false
  • format: specifies the data format for the input field.
    The following values are allowed:
    • N: a numeric character
    • M (default): any character
    • m: any character
    • *f: any number of characters of the type specified by f, where f is one of the character types specified above
    • nf: n characters of the type specified by f, where n is an integer from 1 to 9, and f is one of the character types specified above
  • <inputformat>: specifies the initial text entry mode for the input field.
    The following values are allowed:
    • alpha: sets the initial text entry mode to “abc”
      ALPHA: sets the text entry mode to “ABC”
      Alpha: sets the text entry mode to “Abc”
      Num: sets the text entry mode to “123”
  • ivalue: specifies the text rendered in the input field when the input element is not activated, if the value bound to the variable specified by the name attribute is null.
    If the value bound to the variable specified by the name attribute is not null, that value is displayed when the <input> element is not activated.
  • maxlength: specifies the maximum number of characters that can be entered in the field.
    The default value is 200.
  • name: specifies the name of the variable that will be bound to the input string.
  • onsubmit: specifies an absolute or a relative URL.
  • style
  • title
  • type: specifies the type of the input field.
    The following values are allowed:
    • text
    • password
  • value: specifies the default value of the variable specified by the name attribute.
A WML element used to obtain alphanumeric data from users.
Input field is also associated with a variable which stores entered data.
<optgroup>
Only style attribute is supported for this element.
A WML element used to group different options together in a list.
This element is not visually rendered.
<option>
The following attributes are supported:
  • onpick: specifies the URI processed if the element is activated.
    This attribute has a higher priority than the type set in a <onevent> element.
  • style
  • title
  • value: specifies the value bound to the variable specified by the name attribute of the <select> element that contains the <option> element.
A WML element used to specify an item of a selection list.
<select>
The following attributes are supported:
  • iname: specifies the name of the variable that is assigned to the value of the index result. The index result is the position in the list of the selected item.
  • ivalue: specifies the pre-selected <option> element.
  • multiple: specifies whether multiple items can be selected.
    The following values are allowed:
    • true
    • false (default)
  • name: specifies the name of the variable to which the value of the selected option is bound.
  • style
  • value: specifies the default value of the variable defined by the name attribute.
A data collection element used to declare variables.
This element is not visually rendered.
<setvar>
The following attributes are supported:
  • name
  • value
A WML element used to declare variables.
This element is not visually rendered.
<timer>
The following attributes are supported:
  • name
  • value
Declares a timer in a WML card.
This element is not visually rendered.
Related links
Nesting of WML elements
URI supportCascading Style Sheet support
WML browserNesting of WML elements