Administrator’s Guide for Polycom HDX Systems
2–26 Polycom, Inc.
For details about the use and configuration of the Acme Packet Net-Net SBC
used in conjunction with this feature, refer to Deploying Polycom Unified
Communications in an Acme Packet Net-Net Enterprise Session Director
Environment.
HDX systems now also provide full mutual TLS support for SIP and XMPP
Presence connections. Full mutual TLS support gives administrators the
ability to identify and authenticate devices attempting to join conferences from
outside the enterprise network.
Connecting Polycom HDX Systems to ISDN or Other
Networks
The following network interface modules are available for some Polycom
HDX systems:
•BRI — Allows you to connect to an ISDN network using up to four BRI
lines.
•PRI — Allows you to connect to an ISDN T1 or E1 network using a PRI
line.
• V.35/RS-449/RS-530 — Allows you to connect to third-party network
equipment, including encryption equipment and RS-366 terminal
adaptors and inverse multiplexers.
If you received a network interface module with your system, you may find it
convenient to install it before positioning the system. Refer to the setup sheet
that you received with the network interface module. Make sure that the
system is powered off before you connect devices to it.
You will need the following network hardware.
Network Module Requirements
BRI • NT-1 device, if the system will be connected to a
network that provides a U interface. Do not use an
NT-1 device if your PBX network provides an S/T
interface.
• Up to 4 BRI lines that will not be shared with other
equipment.
If you connect fewer than four BRI ports on the
system’s network interface module, connect them in
ascending order, starting with port 1.
PRI
(North America and
Japan)
• PBX crossover cable, if required for your PBX.
• Channel Service Unit (CSU) — not required if you
connect the system to a PBX network.
• PRI line.
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