Polycom RMX 1500 Administrator's Manual page 1088

Appendix H-Setting the RMX for Integration Into Microsoft Environment
H-102
Registration is enabled in the New Profile - Network Services dialog box:
Table H-4 Profile Properties - Network Services
Parameter
IP Network Services:
Service Name
SIP Registration
Description
This column lists all the defined Network Services, one
or several depending on the system configuration
(single Network or Multiple Networks).
To register the conferencing entity to which this profile is
assigned, with the SIP Server defined for that Network
Service, click the SIP Registration check box of that
Network Service.