Home → PressONE Customer KnowledgeBase → Cisco 7905 & Cisco 7912 → To add a party to an existing call:
• Press the Confrn softkey to place the existing call on Hold and provide dial tone
• Dial the extension or number that you would like to add. Be sure to include the Outside Access Digit for external calls.
• After the party answers, press the Confrn softkey to join the parties together.
• Repeat these steps to add new parties.
If you initiate a conference call and then hang up, the other parties may be able to continue the call after you disconnect. Contact your service provider to determine their configuration.