Cisco Cisco Expressway Wartungshandbuch
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
).
Pattern string
The pattern against which the alias is compared.
Action
The action to take if the source or destination
alias of the call matches this policy rule.
alias of the call matches this policy rule.
Allow: the call can connect via the transcoder.
Deny: the call can connect but it will not use
transcoder resources.
transcoder resources.
State
Indicates if the rule is enabled or not.
Use this setting to test configuration
changes, or to temporarily disable certain
rules. Any disabled rules still appear in the
rules list but are ignored.
changes, or to temporarily disable certain
rules. Any disabled rules still appear in the
rules list but are ignored.
Configuring B2BUA transcoders
Transcoders are used to convert digital media from one format to another. The only transcoder currently
supported by the Lync B2BUA is the Cisco TelePresence Advanced Media Gateway (Cisco AM GW).
supported by the Lync B2BUA is the Cisco TelePresence Advanced Media Gateway (Cisco AM GW).
The B2BUA can use the Cisco AM GW to transcode between standard codecs (such as H.264) and
Microsoft RT Video and RT Audio to allow high definition calls between Microsoft Lync clients and Cisco
endpoints.
Microsoft RT Video and RT Audio to allow high definition calls between Microsoft Lync clients and Cisco
endpoints.
The
Transcoders
page (
Applications > B2BUA > Microsoft Lync > Transcoders
) is used to manage the
set of transcoders available to the B2BUA.
n
Multiple transcoders can be configured for load balancing purposes; the B2BUA automatically manages
which transcoder to use.
which transcoder to use.
n
The status of each transcoder is shown, this includes:
l
whether the transcoder is accessible or not
l
the number of available connections; note that Cisco AM GW calls require 2 connections per call
n
to control whether the B2BUA uses transcoder resources and
Cisco Expressway Administrator Guide (X8.5)
Page 193 of 394
Applications
B2BUA (back-to-back user agent) overview