Cisco Cisco Expressway 维护手册
To achieve the example described above, from the Create search rule page (Configuration > Dial plan > Search
rules > New) set up a search rule as follows:
rules > New) set up a search rule as follows:
Field
Value
Rule name
IP addresses from known zones
Description
Allow calls to IP addresses only from a known zone
Priority
100
Source
All zones
Request must be
authenticated
authenticated
No
Mode
Any IP address
On successful match
Continue
Target zone
Overseas office
State
Enabled
Configuring Search Rules to Use an External Service
The configuration process to set up the Expressway to use an external policy service for search rules (dial plan) is
broken down into the following steps:
broken down into the following steps:
■
Configure the policy service to be used by search rules.
■
Configure the relevant search rules to direct a search to the policy service.
Configuring a policy service to be used by search rules
1.
Go to Configuration > Dial plan > Policy services.
2.
Click New.
3.
Configure the fields on the Create policy service page as follows:
Field
Description
Usage tips
Name
The name of the policy service.
Description
An optional free-form description of the policy
service.
service.
The description appears as a tooltip if you
hover your mouse pointer over a policy
service in the list.
hover your mouse pointer over a policy
service in the list.
Protocol
The protocol used to connect to the policy
service.
service.
The default is HTTPS.
The Expressway automatically supports
HTTP to HTTPS redirection when
communicating with the policy service
server.
HTTP to HTTPS redirection when
communicating with the policy service
server.
143
Cisco Expressway Administrator Guide
Dial Plan and Call Processing