BT verve 450 - Manual (Page 66)

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If you experience any problems, please call the Helpline on 0800 218 2182* or email [email protected]
3-Way conference call
You can hold a 3-way conference call between 2 internal
callers and 1 external caller
1. During your call, press
Int
. Your external caller is put on hold.
2. If you have one other handset it will ring. If you have extra
handsets press or to select the handset (1-5)
you want, then press
OK
.
3. When the other handset answers you can announce the call.
Press
Conf
to join all callers.
Using additional handsets
If the other handset does not answer,
press Single to return to your original
caller.