Unified cm phones with mismatched load
I need to run a report to show any phone on our cluster which isn't using our default phone load but am struggling to do this. RTMT displays the first hundred phones on a node but doesn't appear to show more. How can I do this? Our cucm version is 7. Although it is believed that this email and any attachments are virus free, it is the responsibility of the recipient to confirm this.
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We hereby give you notice that a delivery receipt does not constitute acknowledgement or receipt by the intended recipient s. Re: Firmware report [ In reply to ]. If you need to see the running versions rather than what CCM has in the database, there are some scripts floating around the net that given a block of IP addresses for phones will iterate through each one's built-in webpage and scrape the firmware etc for you. I think I still have one somewhere that I used to pull serial number, might pull load info also; if you're interested i'll dig it up and pass it along.
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It should be easy to modify if it doesn't pull load info by default. Cisco UC can drastically change the bottom line of business by creating more effective communications without losing the personal nature of a face-to-face conversation. More effective communication leads to reduced time to market and nimble transformation of business processes through collaboration. The Cisco UC strategy encompasses voice, video, and data traffic within a single network infrastructure. Cisco UC equipment is capable of managing all three traffic types and interfacing with all standards-based network protocols.
Instead of delivering a collection of disjointed products with individual release dates, testing methodology, and documentation, Cisco UC is a coordinated release of an integrated set of products that are tested, documented, and supported as a system. Figure illustrates the four standard layers of the Cisco UC voice infrastructure model and the components that make up the layers.
Call control layer : The call control layer provides for call processing, device control, and administration of the dial plan and features. Call processing is physically independent from the infrastructure layer. The Cisco UC system delivers fully integrated communications, converging voice, video, and data over a single network infrastructure using standards-based protocols. The Cisco UC system delivers unparalleled performance and capabilities to address current and emerging communications needs in the enterprise environment, as illustrated by the network topology in Figure Figure Cisco UC Network.
The Cisco UC product suite is designed to optimize functionality, reduce configuration and maintenance requirements, and provide interoperability with a variety of other applications. It provides this capability while maintaining high availability, QoS, and security. CUCM extends enterprise telephony features and functions to packet telephony network devices. Additional data, voice, and video services, such as converged messaging, multimedia conferencing, collaborative contact centers, and interactive multimedia response systems, interact with the IP telephony solution through the CUCM application programming interface API.
CUCM is not involved in a call after the call has been set up. If the CUCM server were unplugged during the duration of the call, users would not notice unless they attempted to use a feature on the phone. CUCM is involved only in call setup, teardown, and features. Figure illustrates a user at phone A placing a call to phone B. CUCM responds to this stimulus by replying with a message that tells the device to play the dial tone file that is stored in the flash memory of the phone. The user at phone A hears the dial tone and begins dialing the phone number of phone B.
CUCM performs digit analysis against the dialed digits. If a match is found, CUCM routes the call per its configuration.
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If CUCM does not find a match, a reorder tone is sent to the calling party. CUCM signals the calling party to initiate ringback, so the user at phone A will hear the ringback tone. CUCM also signals the call to the destination phone, which plays the ringdown tone. Additional information is provided to the phones to indicate the calling and called party name and number.
Phone A will show the destination device name and number, and phone B will show the calling party name and number. When the user at phone B accepts the call, CUCM sends a message to the devices letting them know the IPv4 socket IPv4 address and port number information in which they should communicate for the duration of the call. The RTP media path opens directly between the two phones. The Cisco IP Phones require no further communication with CUCM until either phone invokes a feature, such as call transfer, call conferencing, or call termination.
CUCM Release 6. A network appliance is a closed system that supports only Cisco-authorized applications and utilities. Goals of the appliance model are to simplify the installation and upgrade of the system and to hide the underlying operating system. An appliance-based model makes it possible for an administrator to install, implement, and manage a CUCM server without requiring knowledge of or having access to the underlying operating system.
CUCM servers are preinstalled with all software that is required to operate, maintain, secure, and manage a server or cluster of servers including Cisco Security Agent. A CUCM cluster can have up to 20 servers in it. Only one publisher server is allowed in the cluster. Up to eight subscriber servers can be in the cluster, with the restriction that only four of the subscriber servers can perform active call processing.
If more than four subscriber servers are used in a cluster, the additional servers are dedicated standby servers in case the active subscriber server is not available. The other 11 servers in the cluster can be responsible for various services, including TFTP and media resources conferencing, music on hold, transcoding.
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Clustering allows the network to scale to several thousands of endpoints, provides redundancy in case of network or server failure, and provides a central point of administration. Figure displays a Publisher database synchronizing database components to all the other servers in the cluster. The servers running the CCM. CUCM clustering creates scalability by segregating processes to other machines, which increases performance.
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The database is the repository for service parameters, features, device configurations, and dial plan configurations. The database replicates nearly all configuration information in a hub-and-spoke topology one publisher, many subscribers. CUCM nodes also use a second communication method to replicate runtime data using a mesh topology. Every node updates every other node. A mesh topology of information sharing provides dynamic registration and active call information that changes much more frequently than database changes.
Real-time mesh replication is used to communicate newly registered phones, gateways, and digital signal processor DSP resources, guaranteeing optimum call routing. The series servers are available in the —H or —I variants. The server is a inch or inch rack-mountable server that provides a single SATA hard drive and one power supply.
The server improves reliability and performance by including hot-swappable SCSI hard drives, hardware RAID 1 disc duplexing, and redundant power supplies.
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The improves reliability and performance by providing a second CPU and a backup fan assembly. CUCM must be installed on a server that meets Cisco configuration standards. You can find additional information at the following sites:. Operating system and application updates are provided by Cisco through patches that are digitally signed by Cisco.
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Unsupported software and applications not digitally signed by Cisco cannot be uploaded or installed into the system. Root access to the file system is not permitted. The operating system has been hardened by disabling all unnecessary accounts and services. There is also no access to native operating system debug interfaces. Remote-access support can be enabled in CUCM serviceability tools. Cisco Secure Agent is included with the appliance to provide protection against known and unknown attacks.
The data in the CUCM database is divided into two types, as described in the sections that follow. Static configuration data is created as part of the configuration of the CUCM cluster. Subscribers provide only read-only access to this data. If the publisher becomes unavailable, the subscriber data can be used to process calls, but it cannot be modified.
Database replication is unidirectional, from the publisher to the subscribers. All other configuration information is downloaded from the publisher. You have learned that the publisher is the only server with a read-write copy of the database, and all configuration changes should be made on the publisher.