Polycom DOC2560C - Manual (Page 12)

Chapter 1-System Overview
1-2
The RMX unit has, in addition, been designed in compliance with IETF
(Internet Engineering Task Force) – a large open international community
of network designers, operators, vendors, and researchers concerned with
the evolution of the Internet architecture and the smooth operation of the
Internet.
Figure 1-1 Multipoint Video Conferencing using a Polycom RMX 1500/2000/4000
PSTN Phones
RMX Web Client
PC IP Phone
Endpoints
E1/T1 PRI Lines
RMX 1500/2000/4000
ISDN Endpoints
LAN