BT Hub Phone 2.1 - Manual (Page 62)

58
To transfer an external call to another Hub Phone
1 During an external call, press Options , scroll down
Transfer Call and press Select .
2 All available handsets are displayed. Or scroll up or
down to the handset you want to call and press Select .
3 When the other handset answers, you can announce the
caller. Press to transfer the call.
If a handset is unavailable when you try to call it, the
display shows Handset unavailable.
Maximum links alert: if you try to make a call and
the Hub is already being fully used, no more internal
or external calls can be made until another call has
been ended. If this happens, your handset will display
Maximum handset links to the Hub in use.