Specifications

User Guide for the SIP-T42G IP Phone
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There are two types of DSS keys: Line Keys and Programmable Keys. Details will be
introduced in the following. The SIP-T42G IP phone supports 15 line keys.
You can assign predefined functionalities to line keys. You can also define a label for a
line key feature which will appear on the LCD screen. Line keys allow you to quickly
access features such as recall and voice mail. The line key LEDs will indicate the
monitored status when line keys are assigned with particular features, such as BLF. The
default key type of line key 1-12 is Line. The default key type of line key 13-15 is N/A,
which indicates that this line key provides no functionality until configuration.
To assign functionality to a line key via phone user interface:
1. Press Menu->Features->DSS Keys.
2. Select the desired line key, and then press the Enter soft key.
3. Select the desired key type from the Type field.
4. (Optional.) Select the desired key event type from the Key Type field.
5. (Optional.) Select the desired line from the Account ID field.
6. (Optional.) Enter a string that will appear on the LCD screen in the Label field.
7. (Optional.) Enter the corresponding value in the Value field.
8. (Optional.) Enter the corresponding value in the Extension field.
9. Press the Save soft key to accept the change or the Back soft key to cancel.
Line key is configurable via web user interface at the path DSSKey->Line Key.
Note
You can assign functionalities to 15 line keys. These 15 line keys are indicated on three
pages. When you assign functionality to line key 1-6, labels of line keys are indicated on
the first page.
The following figure shows an example:
When you assign functionalities to line key 7-15, labels of the line key 6-10 are indicated
on the second page, and labels of the line key 11-15 are indicated on the third page.
The right bottom line key is used to switch pages.
When the phone is idle, you can also long press the line key to configure it directly on the
phone.