I looked in the Call Manager config and there a Conference Bridge setup using Cisco Conference Bridge software.

Meet me conference call manager. Click on Add New. Put in the name of Common Device Configuration and save it. Cisco Unified Communications Manager supports a maximum of 100 simultaneous meet-me conferences for each Cisco Unified Communications Manager server.

Call Routing Meet-Me NumberPattern. You simply email the participants the start time of your conference the conference bridge phone number and the passcode. Filed under CallManager VOIP.

Go to Page 2 and set the Meet-me Conference VDN parameters. You also have to build out the resources that support the limit. Click on Add a New Meet-Me Number.

In the Conference Access Code field assign a six digit access code for the Meet-me Conference. You can increase or decrease the meet-me sessions for the conference. Configure and Set up Conference Calls Using MeetMe.

The Programmable Line Keys PLKs as SoftKeys feature enables the administrator to provide certain features to users as either softkeys or buttons on the phone. Choose Cisco call manager service from the Service drop-down list. Maybe what you are missing is that you not only have to specify limits in the configuration.

For this example I use 2000 as the directory number for Meet-Me. Select the Maximum MeetMe Conference Unicast parameter under the Clusterwide Parameters Service section. Configure and Set up Conference Calls Using MeetMe.