Polycom MGC Administrator, Руководство администратора

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MGC Administrator’s Guide
3-87
c. Click the Fixed Ports & NAT button to configure the NAT for each
span—as each mapped IP should be personally known to the
firewall—and the fixed signaling and media ports. Selecting Fixed
Ports allows you to define the ports that are allocated in the firewall
to multimedia (audio, video and data) conference calls. These ports
are used for the capabilities exchange messages sent between the
endpoint and the MCU during the establishment of the connection
Host Name The name of the computer on the domain network,
and that will be added to the local domain name to
identify the card by its host name, for example: IP1. If
the local domain name is polycom.com, the card
name will be IP1.polycom.com. A default host name
is suggested by the system.
Fixed Ports & NAT Click this button to configure the firewall ports and
NAT traversal. For details on this option, see “Fixed
Ports & NAT Dialog Box Options” on page 3-88.
H.323
Alias The alias by which the IP card is identified within the
network. An alias must be entered when working with
a gatekeeper. Up to five aliases can be defined for
each IP card.
Type The type defines the format in which the card alias is
sent to the gatekeeper. Each alias can be of a
different type:
•
H.323 ID (alphanumeric ID)
• E.164 (digits 0-9, * #)
• URL ID (URL style address)
•
Transport ID (IP address: port number)
• Email ID (email address format)
• Party Number (identical to the E.164 format)
Note : Although all types are supported, the type of
alias to be used depends on your gatekeeper’s
capabilities.
Table 3-26: IP SPAN Dialog Box Options (Continued)
Field Description