Polycom RMX 1500 Administrator's Manual page 829

The deployment architecture includes:
Company A
For a full description of Company A's deployment, see "Single Company Model - Polycom and
Cisco Infrastructure" on page 2.
Differing or additional configuration requirements for each element of this deployment
model are listed below:
Table I-2
Component
CISCO Equipment
CUCM
Polycom Equipment
RMX
Company B
Table I-3
Component
CISCO Equipment
Endpoints
Polycom, Inc.
Solution Architecture Components
Version
8.5
7.6
Solution Architecture Components
Version
Appendix I-RMX and Cisco Telepresence Systems (CTS) Integration
Description
Cisco Unified Communication Manager:
CUCM must be configured with a SIP trunk to the
Service Provider's SBC.
MCU:
RMX must be configured to send and receive RTP
streams to and from the Service Provider's SBC.
Description
Endpoints should register with the Service Provider's
CUCM (or the local CUCM, if present).
I-11