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A CUCM cluster can consist of up to 20 servers. Each server can fulfill different tasks, such
as running a TFTP or DHCP server, being the database publisher, processing calls,
providing media resources, and so on.
Depending on the usage of a server, different services have to be activated on the system.
There are two types of services on CUCM servers:
■ Network services: Network services are automatically activated and are required for
the operation of the server. Network services cannot be activated or deactivated by the
administrator, but they can be stopped, started, or restarted from the Cisco Unified
Serviceability web interface. Just choose Control Center > Network Services.
NOTE Repeat Steps 2 and 3 for each server in the cluster.
98 Chapter 5: Initial Configuration Settings
■ Feature services: Feature services can be selectively activated or deactivated per
server to assign specific tasks or functions (call processing, TFTP, and so on) to a
certain server. Feature services can be activated and deactivated by the administrator
from the Cisco Unified Serviceability web interface (Tools > Service Activation).
Feature services can be started, stopped, or restarted from the Cisco Unified
Serviceability web interface (Control Center > Feature Services).
Network Services
Network services are the operating system services that CUCM relies on. Network services
are summarized as follows:
■ Performance and monitoring services: Cisco CallManager Serviceability RTMT,
Cisco RTMT Reporter
■ Backup and restore services: Cisco DRF Master, Cisco DRF Local System Services:
Cisco CallManager Serviceability, Cisco CDP, Cisco Trace Collection Service
■ Platform services: Cisco Database, Cisco Tomcat, SNMP Master Agent
■ DB services: Cisco Database Layer Monitor
■ SOAP services: SOAP Real Time Service APIs and so on
■ CM services: Cisco CallManager Personal Directory, Cisco Extension Mobility
Application, Cisco CallManager Cisco IP Phone Services
■ CDR services: Cisco CDR Repository Manager, CDR Agent
■ Admin services: Cisco CallManager Admin
Feature Services
Feature services are the CUCM-related services that run on top of the operating system and
database. Feature services are summarized as follows:
■ Database and admin services: Cisco AXL Web Service, Cisco Bulk Provisioning
Service, Cisco TAPS Service
Network and Feature Services 99
■ Performance and monitoring services: Cisco Serviceability Reporter, Cisco
CallManager SNMP Service
■ CM services: Cisco CallManager, Cisco TFTP, Cisco CTIManager, Cisco Extension
Mobility
■ CTI services: Cisco CallManager Attendant Console Server, Cisco IP Manager
Assistant, Cisco WebDialer Web Service
■ CDR services: Cisco SOAP, including CDRonDemand Service, Cisco CAR Scheduler,
Cisco CAR Web Service
■ Security services: Cisco CTL Provider, Cisco Certificate Proxy Function
■ Directory Services: Cisco DirSync
■ Voice Quality Reporter Services: Cisco Extended Functions
Service Activation
To activate or deactivate feature services for a server, follow these steps in the Cisco Unified
Serviceability web interface:
Step 1 Go to Tools > Service Activation.
Step 2 Select the server where you want to activate or deactivate a service.
Step 3 Check or uncheck the check box for each service you want to modify, and
save the changes.
Step 4 Use the Control Center to verify that the service has been started (Tools >
Control Center – Feature Services).
Figure 5-9 illustrates the Service Activation configuration page in CUCM. The Related
Links drop-down menus in the upper-right portion of the CUCM web pages hyperlink to
different areas of CUCM configuration. Learning how to leverage the related links can
increase the speed in which you can provision services in CUCM.
Control Center
The Control Center for feature services is used to start, stop, or restart services. It is also
used to verify the current status and the activation status of feature services per server in the
cluster.
100 Chapter 5: Initial Configuration Settings
Figure 5-9 Service Activation
Figure 5-10 illustrates the process of viewing a service status and runtime. The figure also
shows the process of selecting the radio button related to a particular service so that the
service can be started, stopped, restarted, or refreshed.