The ST500 gives you instant feedback as to its status. The icon will change based on what the application is doing.

Ready

The ST500 is connected to the phone system and is ready to make and receive calls.

Talking

You are currently on a call.

On Hold

You currently have a caller on hold.

Connecting

The ST500 is trying to connect to your phone system. If it takes more than a few minutes to connect, you should talk to your system administrator to diagnose why.

Error

There is an issue with the ST500s configuration. Contact your system administrator.

As you tap numbers, they will appear here.

To delete a number press the delete button to the right.

Once the number is correct you can press the green voice call or blue video call buttons.

Tap this button to delete the last number entered.

This button only appears if there is a number already entered.

Clicking the "Favourites" icon will take you to the "Favourites" screen.

This screen allows you to list the names and numbers of the people that you frequently call (or video call).

It shows you the person’s name, photo and the number that you have chosen.

Clicking the "Contacts" icon will take you to the "Contacts" screen.

The Contacts screen allows you to see all of the contacts that you have on your phone.

It shows you the person’s name, photo and company. If there is no picture assigned it will show a generic contact image.

Tapping the photo or details will take you to the contacts' detailed contact information. From there you can see all of their numbers and tap-to-dial.

Clicking the "Call" icon will take you to the "Call" screen.

The Call screen allows you to dial any number of your choosing - just like from your desk-phone.

Once you enter a number tap the green phone button to make an audio call, or the blue video button to make a video call.

The Call screen also allows you to dial short-cuts (which you can define).

Clicking the "History" icon will take you to the call history screen.

The call history screen shows you a complete list of all calls, grouped by the caller (configurable).

You can filter the list by:

Clicking the "Settings" icon will take you to the UNIVERGE ST500 settings screen.

The settings screen allows you to:

Tap to add the number 1 to the number that will be dialled.

Tap to add the number 2 to the number that will be dialled.

If you are dialling a number like 123 NEC, then tap this button to represent the letters A, B or C.

Tap to add the number 3 to the number that will be dialled.

If you are dialling a number like 123 NEC, then tap this button to represent the letters D, E or F.

Tap to add the number 4 to the number that will be dialled.

If you are dialling a number like 123 NEC, then tap this button to represent the letters G, H or I.

Tap to add the number 5 to the number that will be dialled.

If you are dialling a number like 123 NEC, then tap this button to represent the letters J, K or L.

Tap to add the number 6 to the number that will be dialled.

If you are dialling a number like 123 NEC, then tap this button to represent the letters M, N or O.

Tap to add the number 7 to the number that will be dialled.

If you are dialling a number like 123 NEC, then tap this button to represent the letters P, Q, R or S.

Tap to add the number 6 to the number that will be dialled.

If you are dialling a number like 123 NEC, then tap this button to represent the letters T, U or V.

Tap to add the number 9 to the number that will be dialled.

If you are dialling a number like 123 NEC, then tap this button to represent the letters W, X, Y or Z.

Tap to show the shortcut menu.

From here you can predefine a number of shortcuts (like setting call forwards or dialling specific numbers).

• If you have entered a number, tap the icon to make a call.
• If you have entered a number, tap and hold the icon to make a hands-free call.
• If you have not entered a number, tap the icon to show the last number you dialled in the entry field.

• If you have entered a number, tap the icon to make a video call.
• If you are using an Android phone running an Android version older than 4.4 this button is not available.