You can add an additional party to the conference.
To add another party to a conference:
1. Enter the number you want to call and click on Call. Alternatively use the directory to call a contact.
2. Your connection to the conference is put on hold but the other participants can still talk to each other.
•If the other party is happy to join the conference, click on 
.
•If the other party does not answer or does not want to join the conference, click on 
. Then go to the tab for the conference call and click on 
to rejoin the conference.