
MCUs  MCU Management
Polycom, Inc.  135
6Click OK. 
The new MCU appears in the MCUs list. If the MCU is configured as a 
conferencing resource, it’s placed into service. 
7If the MCU is configured as a conferencing resource, add it to the desired 
MCU pool(s). See “MCU Pools” on page137. 
The pool(s) to which the MCU belongs, and the pool order(s) to which a 
pool belongs, are used to determine which MCU is used for a conference. 
See “MCU Pool Orders” on page 141. 
To edit an MCU 
1On the Dashboard, determine whether there are existing calls and 
conferences on the MCU you want to edit. 
2Go to Network > MCU > MCUs. 
3In the MCUs list, select the MCU of interest. If the MCU is being used as a 
conferencing resource, do the following: 
aIn the Actions list, select Busy Out. When prompted, confirm.
bWait for any existing calls and conferences to finish. 
4In the Actions list, click Edit. 
5In the Edit MCU dialog box, edit the fields as required. See “Edit MCU 
Dialog Box” on page128. 
6To set aside more or fewer ports for the Polycom CMA system’s use, 
change the Video ports reserved for CMA system and Voice ports 
reserved for CMA system values (requires RMX v6.0 and above). 
7To use a gateway-capable MCU as an ISDN gateway, select the Enable 
gateway profiles check box and, on the Gateway Profiles tab, specify a 
dial string delimiter and add or change session profiles. To stop using it, 
clear the Enable gateway profiles check box.
8Click OK. 
The changes you made appear in the MCUs list. 
Note 
This feature is not for use with a Polycom RealPresence Resource Manager 
system. The RealPresence Resource Manager system must have exclusive use of 
any MCUs on which it directly schedules conferences. Those MCUs should not be 
added to the DMA system’s conferencing resources.