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Polycom CMA System Operations Guide
122 Polycom, Inc.
NAT Configuration Specifies whether the endpoint systems should determine
the NAT Public WAN Address automatically.
• If the endpoint systems are behind a NAT that allows
HTTP traffic, select Auto.
• If the endpoint systems are behind a NAT that does
not allow HTTP traffic, select Manual. Then specify a
NAT Public (WAN) Address.
• If the endpoint systems are not behind a NAT or are
connected to the IP network through a virtual private
network (VPN), select Off.
YY Y
NAT Public (WAN)
Address
When NAT Configuration is set to Manual, specifies the
address that callers from outside the LAN should use to
call the endpoint systems.
YY Y
NAT is H.323
Compatible
Specifies that the endpoint systems are behind a NAT that
is capable of translating H.323 traffic.
YYY Y
Auto Discover NAT
Address
Specifies whether to allow the system to automatically
discover the NAT firewall address through the domain
name server.
——Y Y
Address Displayed in
Global Directory
Specifies whether or not to include the endpoint system’s
information in the global directory
YY— Y
Video Network > ISDN BRI Protocol
Enable ISDN H.320 Allows this system to make H.320 (ISDN) calls. Y Y —
Number of ISDN
Channels to Dial in
Parallel
Specifies how many channels to dial at one time. You can
specify up to eight channels. If you experience network
problems, decrease the number.
Set this value to 1 for serial dialing. Serial dialing is not
recommended unless you have trouble connecting calls
using parallel dialing.
YY—
ISDN Switch Protocols Specifies the protocol used by your network’s switch. Y Y —
Outside Line Dialing
Prefix
Specifies the ISDN dialing prefix used to call outside the
network.
YY—
Field For the endpoint systems being provisioned...
HDX Series
V\VSX Series
FX/EX
ViewStation
QDX Series