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New Member

Maximum Number of Group Chat Participants (CUPS 9.1)

Hello everyone,

does anyone know the maximum number of partcipants in an ad-hoc group chat? Is there a limit at all?

I haven't been able to find an information in the documentation or in the srnd.

Regards

Matthias

6 REPLIES

I havent seen any

I havent seen any documentation but i hit the 50 user limit with 9.1.

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Cisco Employee

I found some similar info

I found some similar info with that same number, it appears there might be a script that enables this to go up to 250, but you need to engage TAC for that.

HTH

java

if this helps, please rate

www.cisco.com/go/pdi

Thanks Jaime, good to know.

Thanks Jaime, good to know.

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New Member

In the meantime, I found this

In the meantime, I found this table in the Configuration and Administration Guide. I am a little sceptical though, because of the huge discrepancy between "250 with TAC support" and "1000 out of the box"...

http://www.cisco.com/c/en/us/td/docs/voice_ip_comm/cucm/im_presence/configAdminGuide/9_1/CUP0_BK_C68AA046_00_config-admin-guide-imp-91/CUP0_BK_C68AA046_00_config-admin-guide-imp-91_chapter_00.html#CUP0_RF_C98C30A6_00

The following table lists the chat room limits for IM and Presence Service.

Table 1 Chat Room Limits for IM and Presence Service

Number Of...

Maximum

Persistent chat rooms per node

1500 rooms

Total rooms per node (ad-hoc and persistent)

16500 rooms

Occupants per room

1000 occupants

Messages retrieved from the archive

This is the max number of messages that are returned when a user queries the room history.

100 messages

Messages in chat history displayed by default

This is the number of messages that are displayed when a user joins a chat room.

15 messages

Keep in mind Persistent chat

Keep in mind Persistent chat and adhoc chat are different. 

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New Member

Yes I know that. Persistent

Yes I know that. Persistent chat should be more complex. I suppose, that's why one node can handle 1.500 persistent chat rooms and 15.000 ad-hoc sessions.

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