Aastra 9143i Series Administrator's Manual page 461

Aastra Web UI
1 Click on Operation->Handset Keys.
2 Select the handset key you want to program.
3 Select the function for that handset key from the "Key Function" field.
4 Click
The key programming information is sent to the 6757i Base Station and to all the cordless handsets
associated with that Base Station. Any key programmed to "None" does not appear in the handset's
list.
41-001160-03, Rev 00, Releaes 2.4
to save the function you selected to the handset key.
Configuring Operational Features
Operational Features
5-163