AASTRA 6700i series, 9143, 9480i, 9480i CT SIP Administrator Guide EN - Manual (Page 503)

5-226 41-001343-01 Rev 03, Release 3.2.2
For the 6757i CT Handset:
1
Click on Operation->Handset Keys.
2 Pick a handset key to configure for Last Call Return.
3 In the "Key Function" field, select lcr.
4 Click to save your changes.
For 3-Line LCD phones:
1
Click on Operation->Programmable Keys.
6753i Screen
2 Pick a key to configure for Last Call Return.
3 In the "Type" field, select lcr.
Aastra Web UI