| Action Type | Description | Value | 
|---|---|---|
| ADD_CALL | Calls the number in Value tag.If there is no number in Value tag, opens the dialer.Allowed on the in-call screen only. | Phone number. | 
| BLANK | No action.Creates a gap or space between other buttons. | N/A | 
| CALL | Calls the number in Value tag.If there is no number in Value tag, opens the dialer. | Phone number. | 
| COMPLETE | This is internal type used for call transfer or conference scenarios.Only allowed on the in-call screen. | N/A | 
| CONTACTS | Displays the contacts list. | N/A | 
| DIAL | Opens the dialer. | Prefix to dialed number. The prefix is not displayed to the user. | 
| END_CALL | This is internal type used for END call button on in-call screen.Only allowed on the in-call screen. | N/A | 
| HISTORY | Shows a list of recently called numbers. | N/A | 
| HOLD | Puts the call on hold.Only allowed on the in-call screen. | N/A | 
| HOME | Jumps to the Home screen.Only allowed on the in-call screen. | N/A | 
| LIST | Shows buttons as a pop-up list.This feature can only be set in an XML configuration. | N/A | 
| LOG_MARKER | Creates a time stamp in the logs. | N/A | 
| REDIAL | Redials the last number. | N/A | 
| RESUME | Resumes a call that is on hold.Only allowed on the in-call screen. | N/A | 
| SPEED_DIAL0 | Calls the number in Value tag.If there is no number in Value tag, opens the dialer. | Phone number. | 
| SPEED_DIAL1 | Calls the number in Value tag.If there is no number in Value tag, opens the dialer. | Phone number. | 
| SPEED_DIAL2 | Calls the number in Value tag.If there is no number in Value tag, opens the dialer. | Phone number. | 
| SPEED_DIAL3 | Calls the number in Value tag.If there is no number in Value tag, opens the dialer. | Phone number. | 
| SPEED_DIAL4 | Calls the number in Value tag.If there is no number in Value tag, opens the dialer. | Phone number. | 
| SPEED_DIAL5 | Calls the number in Value tag.If there is no number in Value tag, opens the dialer. | Phone number. | 
| SPEED_DIAL6 | Calls the number in Value tag.If there is no number in Value tag, opens the dialer. | Phone number. | 
| SPEED_DIAL7 | Calls the number in Value tag.If there is no number in Value tag, opens the dialer. | Phone number. | 
| SPEED_DIAL8 | Calls the number in Value tag.If there is no number in Value tag, opens the dialer. | Phone number. | 
| SPEED_DIAL9 | Calls the number in Value tag.If there is no number in Value tag, opens the dialer. | Phone number. | 
| START_APP | Starts an application. | Path and filename of the application. | 
| SUSPEND_MODE | Blocks all incoming or outgoing calls. | N/A | 
| TRANSFER | Transfers the call.Only allowed on the in-call screen. | N/A | 
| VOICEMAIL | Opens voicemail.Dials voice mail number configured on the PBX. | N/A | 
