You can invite a select members to the conference. This sends the member an e-mail and SMS (if they have that preference enabled) inviting them to the conference that is currently taking place.
Access Code - To join a conference as a participant, enter the assigned access code, then the pound (#) key and follow the voice prompts. Participants can access basic conference controls such as the help menu, self-mute and one-on-one private chat during a conference.
Subscriber Pin - The subscriber pin is assigned to the group administrator(s) and activates the recording feature. Any time during the conference the host can enter "*9" and then the subscriber pin to begin recording the conference.