![]() x, the number of DLUs required is calculated during the CUCM migration process, and an intermediate XML file containing these license counts is generated. When upgrading from Cisco Unified CallManager 4. (Multiple license files can be loaded.) The Cisco FlexLM process is used to obtain licenses, and integrity of license files is assured by a digital signature. Number of node licenses (number of CUCM servers in cluster).Version (major release) of the CUCM software.MAC address of the license server (publisher).The main components of the license file are as follows: Figure 1-7 displays the number of DLUs consumed in CUCM 6.0 by some popular phones. DLUs are perpetual and device independent. The number of units required per device can be viewed from CUCM Administration. The number of DLUs consumed per device depends on the device type and capabilities of the phone. Each device type corresponds to a fixed number of units. Third-party device license units: Third-party DLUs can be converted to Cisco units, but not vice versa.ĬUCM tracks the number of units required by each device, as shown in Figure 1-7.Cisco device license units: Cisco device license units (DLU) are for Cisco devices only.These two types of product IDs are available: Cisco product license registration is performed at. Licenses are created and distributed in accordance with the Cisco FlexLM process. Software licenses are required for upgrade to CUCM 6. Software licenses: Software licenses are tied to the major version of the software.Application licenses are tied to the MAC address of the network interface card (NIC) of the server. Application licenses: Application licenses are required for every call-processing server running the CallManager service.Route points and CTI ports are not enforced. ![]() Device units licenses: The maximum number of provisioned devices in the CUCM database will be tracked and enforced.Existing phones will continue to operate during a publisher outage.ĬUCM tracks the license compliance for devices, applications, and software as follows: ![]() If the publisher fails, no new phones can register, and no configuration changes will be allowed. The licensing server is the logical component that keeps track of the licenses purchased and the licenses used. The publisher is the only licensing server. License enforcement occurs at the time of phone provisioning and CUCM service activation. Administration of license management is done through CUCM GUI administration, allowing accurate tracking of active device registrations compared to the license units that have been purchased. Licensing is implemented in CUCM beginning with Release 5.0. ![]()
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