Polycom 3725-77601-001H manual Routing/Bandwidth

Polycom CMA System Operations Guide

Field	Description
# Digits in Short Phone	Enter the number of digits in the short form of the dialing
Number	number.
	• For example, in the United States, internal
	extensions are usually four or five digits.
	• This number indicates what part of the dial string is
	sent to the gatekeeper for address resolution in
	gateway + extension dialing.
ISDN Number Range -	The starting ISDN number to assign automatically to IP
Start	devices.
ISDN Number Range -	The ending ISDN number to assign automatically to IP
End	devices.

ISDN Number Assignment—

Assignment Method = Gateway Extension Dialing

Gateway Phone	Phone number of the site gateway.
Number
E164 Start	• The starting number in a range of available
	extensions to assign automatically to IP devices.
	• When a device without native ISDN registers, a
	number within the start and end range is assigned,
	so that the device can be called through an ISDN
	line.
E164 End	The ending number in the range of available extensions
	to assign automatically to IP devices.
Routing/Bandwidth
Internet calls are not	Disables call routing through the Internet.
allowed
Allowed via H.323	Enables call routing through the Internet, using an
aware firewall	H.323-aware firewall.

Notes

• For an outbound call to the Internet, you must enter the firewall gateway service (e.g. a Polycom VBP appliance) code before the IP address in the dial string.

• If you select Allowed via H.323 aware firewall you must create a site link between this site and the Internet/VPN site.

390 Polycom, Inc.