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Polycom, Inc. 289
Length of short phone number The number of digits in the short form of the dialing number.
For example, in the United States, internal extensions are usually four or five
digits.
ISDN Number Ranges The number ranges available for assignment to endpoints in the site.
Click Add to add a new range of numbers. Click Edit or Delete to change or
delete the selected range.
The start and end numbers in the range should be entered with the same
number of digits. If the range is 303-223-1000 to 1999, enter 3032231000 and
3032231999.
ISDN Range Assignment (for gateway extension dialing method)
ISDN gateway number An ISDN gateway phone number for the site. This field is just for your
reference. It’s not used by the software to process calls.
If the site has more than one ISDN gateway, you’ll need to know their access
numbers and determine how to instruct inbound users to call.
E.164 start The beginning of the range of E.164 extensions associated with the site.
E.164 end The end of the range of E.164 extensions associated with the site.
The start and end numbers in the range should be entered with the same
number of digits.
H.323 Routing
Internet calls are not allowed Disables H.323 calls to the internet.
Allowed via H.323-aware firewall Allows H.323 calls to the internet through a firewall.
Allowed via H.323-aware SBC or
ALG
Enables H.323 calls to the internet through the specified session border
controller (SBC) or application layer gateway (ALG).
Call signaling address (IPv4) The call signaling address for the H.323 SBC or ALG.
Port The call signaling port for the H.323 SBC or ALG.
SIP Routing
Internet calls are not allowed Disables SIP calls to the internet.
Allowed via SIP-aware firewall Enables calls to the internet through a firewall.
Allowed via SIP-aware SBC or
ALG
Enables SIP calls to the internet through the specified session border
controller (SBC) or application layer gateway (ALG).
Call signaling address (IPv4) The call signaling address for the SBC or ALG.
Port The call signaling port for the SBC or ALG.
Subnets Lists the subnets in the site. Click Add to add a subnet. Select a subnet in the
table and click Edit or Delete to modify or remove it.
Subnet Name The unique name of the subnet.
Field Description