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Chapter 4
Configuring VISM Features
You must provision the LAPD trunk when using this feature. You must configure a line number, remote
gateway IP address, local UDP port, and remote gateway UDP port, and then open a trunk. You must
then configure the D-channel as a trunk or backhaul:
•
•
T.38 Fax Relay
The ITU T.38 recommendation for fax relay feature assists fax transmission over IP networks. You must
configure T.38 parameters—fax rate, information field size, data packet size, data redundancy, and NSF
values—to use this feature.
You must use codec template 3 with the T.38 fax relay feature enabled. The T.38 feature supports 120
Note
DS0s when enabled.
CAS Feature Enhancements
VISM Release 2.2 allows you to configure different CAS packages on different endpoints. The following
CAS feature enhancements are also added to this release.
Programmable Tone Plans
This enhancement provides you the ability to provision a tone plan in a CAS independent scenario so
that any inband call progress tone can be played on any endpoint (CAS, CCS, or clear channel) when
signaled by the call agent.
VISM Release 3.0 contains the built-in (preconfigured) version 1 tone plans shown in
you cannot modify or remove from the system.
Table 4-6
Tone Plan
ITU
North America
Argentina
Australia
Austria
Belgium
Brazil
Release 3.0, Part Number OL-2521-01 Rev. D0, June 2004
To configure the D channel as trunk, use the addlapdtrunk command prior to the addlapd
command. If the addlapd command has been previously executed for that line, the command is
rejected.
Two D channels on one line are not supported.
Note
To configure the D channel as backhaul, use the addses command prior to the addlapd command.
If you do not configure either trunk or session, the addlapd command is rejected.
VISM 3.0 Built-in (Preconfigured) Tone Plans
Tone Plan
1
Finland
France
Germany
Greece
Hong Kong
Hungary
Iceland
Tone Plan
Tone Plan
Japan
Singapore
Korea Republic
Slovakia
Luxembourg
Slovenia
Malaysia
South Africa
Mexico
Spain
Netherlands
Sweden
New Zealand
Switzerland
Cisco VISM Installation and Configuration Guide
Configuring Additional VISM Features
Table
4-6, which
4-57
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