Function button
Function buttons offer the following functions (from left to right): Setting, Address Book, Minimize and Exit.
Display Area
On the bottom of the display area, the current status is displayed by icons.
When there is no icon displayed, phone calls cannot be received.
The meaning of the icons is as follows:
STUN is active.
STUN has failed and is inactive.
UPnP is active.。
Registered(Attention: If registration is not successful, no icon will be displayed. In this case you will not be able to receive phone calls.)
Volume Controls
When you adjust the volume during incoming call, you may control the ringer volume and adjusting while you are off from call controls the sound on keypad
Key Setting
Speed Dial Function or functions for changing the service provider for outgoing calls can be assigned to these buttons. If you click on a button that has no function assigned, a screen to set up assignments will appear
Keypad Dial
Click these buttons to specify the number you would like to dial.
Connect
By clicking here, a phone call can be started. Prior to starting a phone call, enter the desired phone number either by clicking the dial buttons or via keyboard. Then click to confirm and start the phone call (Also, a phone call can be started by pushing the ENTER key).
Hang up
By clicking here, a phone call can be ended (Also, a phone call can be ended by pushing the ESC key).
Hold
It lets to put the call on hold. You may simply click again for unhold.
Transfer
Please click for transfer operation. You may precede transfer by clicking transfer during the call and enter the number by keypad or keyboards then click connect. Clicking on disconnect will complete the call transfer once after the call is connected with transfer destination. Moreover, transfer can be cancelled by simply clicking the transfer button again. 。
Call History
The call history can be confirmed by clicking left for outgoing calls and right for incoming calls (Also, call historyl can be confirmed by outgoing calls=F3/F4, incoming calls=F5/F6).