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Cisco VISM Installation and Configuration Guide
Release 3.0, Part Number OL-2521-01 Rev. D0, June 2004
Chapter4 Configuring VISM Features
Configuring Additional 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, an d then op en a tr unk . You must
then configure the D-channel as a trunk or backhaul:
•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 lin e, the comma nd is
rejected.
Note Two D channels on one line are not supported.
•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.
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.
Note You must use codec template 3 with the T.38 fax relay feature enabled. The T.38 feature supports 120
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 t o thi s r el eas e.

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 Table 4-6 , which
you cannot modify or remove from the system.
Table4-6 VISM 3.0 Built-in (Preconfigured) Tone Plans
Tone Plan Tone Plan Tone Plan Tone Plan
ITU1Finland Japan Singapore
North America France Korea Republic Slovakia
Argentina Germany Luxembourg Slovenia
Australia Greece Malaysia South Africa
Austria Hong Kong Mexico Spain
Belgium Hungary Netherlands Sweden
Brazil Iceland New Zealand Switzerland