Cisco Cisco Expressway Manual De Mantenimiento
Field
Description
Usage tips
Type
The type of device that may send signaling
messages to the B2BUA.
messages to the B2BUA.
Lync device: this includes Hardware Load
Balancers, Directors and Front End Processors
Balancers, Directors and Front End Processors
Transcoder: a transcoder device such as a Cisco
TelePresence Advanced Media Gateway
TelePresence Advanced Media Gateway
Configuring External Transcoder Policy Rules
The Microsoft Lync B2BUA transcoder policy rules page (Applications > B2BUA > Microsoft Lync > Transcoder
policy rules) is used to define the rules that control which Lync B2BUA calls are routed via a
policy rules) is used to define the rules that control which Lync B2BUA calls are routed via a
If Enable transcoders for this B2BUA (configured on the Microsoft Lync B2BUA configuration page) is Yes, then all
calls are routed via the transcoders by default. If transcoder resources need to be reserved for specific types of calls
then you can specify rules to limit the types of calls that are routed via the transcoders.
calls are routed via the transcoders by default. If transcoder resources need to be reserved for specific types of calls
then you can specify rules to limit the types of calls that are routed via the transcoders.
■
The rules on this page are only applied if Use transcoder policy rules (also configured on the Microsoft Lync
B2BUA configuration page) is set to Yes.
B2BUA configuration page) is set to Yes.
■
A rule is applied if it matches either the source or destination alias of a call.
■
If the aliases associated with a call do not match any of the policy rules, the call will be routed via the
transcoder. Therefore you may want to consider having a general low priority rule with a regex pattern match
for all aliases that denies transcoder resources, and then have more specific rules with a higher priority that
define the participants that are allowed to use the transcoder resources.
transcoder. Therefore you may want to consider having a general low priority rule with a regex pattern match
for all aliases that denies transcoder resources, and then have more specific rules with a higher priority that
define the participants that are allowed to use the transcoder resources.
The page lists all the currently configured rules and lets you create, edit, delete, enable and disable rules. Note that
you can click on a column heading to sort the list, for example by Rule name or Priority.
you can click on a column heading to sort the list, for example by Rule name or Priority.
The configurable options are:
Field
Description
Usage tips
Name
The name assigned to the rule.
Description
An optional free-form description of the rule.
The description appears as a tooltip if you
hover your mouse pointer over a rule in the
list.
hover your mouse pointer over a rule in the
list.
Priority
Sets the order in which the rules are applied. The
rules with the highest priority (1, then 2, then 3 and
so on) are applied first.
rules with the highest priority (1, then 2, then 3 and
so on) are applied first.
Multiple rules with the same priority are
applied in configuration order. For clarity you
are recommended to use unique priority
settings for each rule.
applied in configuration order. For clarity you
are recommended to use unique priority
settings for each rule.
Pattern type
The way in which the Pattern string must match
either the source or destination alias of the call.
either the source or destination alias of the call.
Exact: the entire string must exactly match the
alias character for character.
alias character for character.
Prefix: the string must appear at the beginning of
the alias.
the alias.
Suffix: the string must appear at the end of the
alias.
alias.
.
You can test whether a pattern matches a
particular alias and is transformed in the
expected way by using the
particular alias and is transformed in the
expected way by using the
tool (Maintenance > Tools > Check pattern).
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Cisco Expressway Administrator Guide