
Polycom RMX 1500/2000/4000 Getting Started Guide for Audio Only
3-293If all participants are undefined, dial-in and no additional information is required for the new conference, click OK.4To add participants from the Participants Address Book or to define participants (mainly dial-out participants) click the Participants tab.Maximum Number 
of Participants
Indicate the total number of participants that can be 
connected to the conference if you want to limit the 
number of participants that can connect to the 
conference. 
The automatic setting (default) indicates that the 
maximum number of participants that can be 
connected to the MCU is determined according to 
resource availability.
Note: This number must be equal or higher than the 
number defined in the Reserve Resources for Audio 
Participants field.
Enable ISDN/
PSTN Dial-in
Select this check box if you want ISDN and PSTN 
participants to be able to connect directly to the 
conference.
ISDN/PSTN 
Network Service
The default Network Service is automatically 
selected. A different ISDN/PSTN Network Service 
can be selected from the Network Services list.
Dial-in Number (1) Leave this field blank to let the system automatically 
assign a number from the dial-in range defined for 
the selected ISDN/PSTN Network Service. To 
manually define a dial-in number, enter a unique 
number from the dial-in number range defined for 
the selected Network Service. This number cannot 
be assigned to another Conference/Reservation/
Meeting Room/Gateway Profile
Dial-in Number (2) By default, the second dial-in number is not defined. 
To define a second-dial-in number, enter a required 
number from the dial-in number range defined for 
the selected Network Service.
Table 3-4  New Conference – General Options (Continued)
Field Description