Maximum Number of Conference Participants on Hardware CFB: a small note

IOS earlier than 12.4(15)T supports 8 participants per conference session.

IOS equal or later than 12.4(15)T supports 32 participants per conference session.

Found on CUCM SRND:

“A conference based on these DSPs allows a maximum of 8 participants. When a conference begins, all 8 positions are reserved at that time. Starting with Cisco IOS Release 12.4(15)T, this limit on the maximum number of participants has been increased to 32.”


About Mijanur Rahman
I have started blogging to save and share my study notes, findings and research notes as I have already lost some important! Wish you find something helpful from my blogs, if you have anything to ask you are always welcome to comment or contact me directly. Thanks, Md. Mijanur Rahman

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