Specifications

XML Browser Developer’s Guide for Yealink SIP-T4X IP Phones
16
The function keys are listed in the following table:
Key Name
Statement
Description
Up/Down
Up and down keys
To see the content of text tips by pressing up
and down.
Digitkey
Digit keys 1~9
No response.
Exit
Soft key,
URI=”SoftKey:
Exit”
Redisplays the previous XML interface,
otherwise returns to the idle interface.
Offhook/
LineKey/
Handfree
Off hook/Line Key/
Handfree Key
If there is a number contained in the Dial tag,
the phone will dial out the number. If no number
contained in the Dial tag and the value of the
LockIn is “yes”, there will be no responses to any
operation. The phone will enter into pre-dial
interface when the value of the LockIn is “no”.
Cancel
The “X” key of the
phone
If the value of the LockIn is “no”, the function of
“X” key returns to the idle interface, if the value
of the LockIn is “yes”, there will be no response.
OK
The “OK” key of
the phone
If the value of the LockIn is “no”, the function of
“OK” key is the same as that of “doneAction”, if
the value of the LockIn is “yes”, there will be no
response.
An example of the TextScreen object:
<?xml version="1.0" encoding="ISO-8859-1"?>
<YealinkIPPhoneTextScreen
doneAction="http://10.2.11.158/ cancel.php"
Timeout="15"
LockIn="no"
Beep="no"
>
<Title wrap="yes">Screen Title </Title>
<Text>The screen text goes here. When you see this, congratulations to you complete
the configuration.</Text>
</YealinkIPPhoneTextScreen>