
Polycom RMX 1500/2000/4000 Getting Started Guide for Audio Only
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H.323 ParticipantsFor H.323 participants, the dialing string is composed of the MCU prefix 
in the Gatekeeper and the conference ID.
Example:
Prefix in gatekeeper 925
Conference ID  1001
Conference Name  Maple_Room
The participant dials  9251001 or 925Maple_room
If there is no gatekeeper defined for the network, H.323 participants dial 
the MCU’s signaling host IP address and the conference ID, separated 
by 
##.
Example:
MCU (Signaling Host) IP address 172.22.30.40
Conference ID  1001
The participant dials  172.22.30.40##1001
SIP ParticipantsFor SIP participants the dialing string is composed of the conference 
routing name and domain name in the following format:
conference_routing_name@domain_name
Example:
Conference routing name  1001
The participant dials  1001@polycom.com
ISDN/PSTN ParticipantsDial-in ISDN and PSTN participants dial one of the dial-in numbers 
assigned to the conference/Meeting Room/Reservation/Conference 
Template, including the country and area code (if needed). They are 
routed to their conference according to the dial-in number.
Example:
Assigned dial-in number 4631111
The participant dials 4631111