Cisco TelePresence Administrator's Manual page 170

After the alias has been transformed, it remains changed. and all further call processing is applied to the new
alias.
Note that the transforms also apply to any Publication, Subscription or Notify URIs handled by the
Services.
The configurable options are:
Field Description
Priority The priority of the transform. Priority can be from 1
to 65534, with 1 being the highest priority.
Transforms are applied in order of priority, and
the priority must be unique for each transform.
Description An optional free-form description of the transform.
Pattern type How the Pattern string must match the alias for
the rule to be applied. Options are:
Exact: the entire string must exactly match the
alias character for character.
Prefix: the string must appear at the beginning of
the alias.
Suffix: the string must appear at the end of the
alias.
Regex: treats the string as a
Pattern string Specifies the pattern against which the alias is
compared.
Pattern Specifies how the matched part of the alias is
behavior modified. Options are:
Strip: the matching prefix or suffix is removed.
Replace: the matching part of the alias is
substituted with the text in the Replace string.
Add Prefix: prepends the Additional text to the
alias.
Add Suffix: appends the Additional text to the
alias.
Replace string The string to substitute for the part of the alias that
matches the pattern.
Additional text The string to add as a prefix or suffix.
State Indicates if the transform is enabled or not.
Cisco VCS Administrator Guide (X7.2)
Usage tips
The description appears as a tooltip if you
hover your mouse pointer over a transform
in the list.
You can test whether a pattern matches a
particular alias and is transformed in the
expected way by using the
tool
pattern).
regular expression.
The VCS has a set of predefined
matching variables
match against certain configuration
elements.
Only applies if the Pattern behavior is
Replace.
You can use regular expressions.
Only applies if the Pattern behavior is Add
Prefix or Add Suffix.
Use this setting when making or testing
configuration changes, or to temporarily
enable or disable certain rules. Any
disabled rules still appear in the rules list
but are ignored.
Dial plan and call processing
Check pattern
(Maintenance > Tools > Check
that can be used to
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Presence
pattern