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Cisco Unified Communications Manager Administration Guide
OL-18611-01
Chapter 25 Service Parameters Configuration
Configuring Service Parameters for a Service on a Server
• Network services, which display under Control Center–Network Services in Cisco Unified
Serviceability, always display as active in the Service Parameters Configuration window; for
example, Cisco DRF Master (active). With network services, you do not need to start the service in
Cisco Unified Serviceability because it automatically runs on the server after the Cisco Unified
Communications Manager installation/upgrade.
In the Service Parameters Configuration window, be aware that network services display as active
even for dummy nodes, which are servers that display in the Server Configuration window in Cisco
Unified Communications Manager Administration but that do not have Cisco Unified
Communications Manager installed on them.
For more information about Cisco Unified Communications Manager services, refer to the Cisco
Unified Serviceability Administration Guide.
• In the Server drop-down list box in the Service Parameter Configuration window, all servers,
including dummy nodes, display as active; for example, <server name> (active). In this case, active
means that you provisioned the server in Cisco Unified Communications Manager Administration.
• If you deactivate a service by using Cisco Unified Serviceability, Cisco Unified Communications
Manager retains any updated service parameter values. If you start the service again, Cisco Unified
Communications Manager sets the service parameters to the changed values.
• Clicking the Set to Default button updates all parameters to the suggested value, which is the default
that displays on the right side of the parameter. If a parameter does not have a suggested value, Cisco
Unified Communications Manager does not update the value when you click the Set to Default
button; for example, the Mobile Voice Access service parameter for the Cisco CallManager service
does not display a suggested value, so clicking the Set to Default button does not change the value
that you enter for this parameter.
Caution Some changes to service parameters may cause system failure. Cisco recommends that you do not make
any changes to service parameters unless you fully understand the feature that you are changing or unless
the Cisco Technical Assistance Center (TAC) specifies the changes.
Note You can configure a SIP trunk to use a DNS SRV port on a Cisco Unified Presence server as a
destination. If you use a SIP trunk with a DNS SRV destination to configure the CUP Publish Trunk
service parameter and then modify the DNS record, you must restart all devices (phones) that previously
published, so they point to the correct Cisco Unified Presence server destination.
Before You Begin
Ensure the following prerequisites are met before proceeding with the steps:
• Make sure that servers are configured. Refer to the “Server Configuration” section on page 2-1 for
more information.
• Make sure that the service is available on the servers. The Service Parameter Configuration window
displays all the available services. For more information on services, refer to the Cisco Unified
Serviceability Administration Guide for more information.
Use the following procedure to configure the service parameters for a particular service on a particular
server.