<Dashboard> or <CallButtons>
...
<Button>
<title>Contacts</title>
<action>CONTACTS</action>
<value></value>
<enabled>true</enabled>
<confirm>false</confirm>
<description>Display contacts </description>
<bg_color>#FF001425</bg_color>
<fg_color>#FFFFFFFF</fg_color>
<icon>Default</icon>
</Button>
...
</Dashboard> or </CallButtons>