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Overview/Description
Individual sites of a multisite deployment are usually interconnected by an IP WAN in situations in which bandwidth is relatively costly and bandwidth consumption should be minimized. Call Admission Control (CAC) is also important in a multisite environment in order to avoid bandwidth oversubscription by too many voice calls. This course describes methods of reducing bandwidth requirements and explains how to design and implement those methods so that the IP WAN bandwidth can be used as efficiently as possible. It also describes CAC options for intrasite calls and...
Overview/Description
With the increasing deployment of Cisco Unified Communications solutions, dial plans have become more complex to implement, especially in large enterprises that consist of numerous call control devices. Some examples of these call control devices are Cisco Unified Border Element, Cisco Unified Survivable Remote Site Telephony (SRST), Cisco Unified Communications Manager, Cisco Unified Communications Manager Express, and Cisco IOS gateways. To simplify dial plan implementation in large deployments, it is desirable that call control devices dynamically exchange call-...
Overview/Description
The capability to use centralized call-processing devices that are located at remote sites depends on the availability of Cisco Unified Communications Manager (CUCM) at the main site. To provide these devices with a backup, you can use Media Gateway Control Protocol (MGCP) fallback and Cisco Unified Survivable Remote Site Telephony (SRST). This course describes the mechanisms for providing call survivability and device failover in remote sites. It describes how to configure Cisco IOS routers as Cisco Unified SRST gateways and how to use Cisco Unified Communications...
Overview/Description
Users in multisite environments often roam between sites. When such users take their Cisco Unified Communications endpoints (E.g. Cisco Unified Wireless IP Phone or Cisco IP Communicator (a softphone) phone) with them, the standard configuration of their endpoints must be adapted to suit the needs of the current physical location. It is important that a professional unified communications system provides such a solution. Similarly, users can roam between office desks or sites on a regular basis.Using phones that are provided at the sites that they visit, these users...
Overview/Description
Cisco Unified Communications Manager (CUCM) multisite deployments can use various connection options between sites. Multisite dial plans have to address special issues, such as overlapping and nonconsecutive directory numbers, public switched telephone network (PSTN) access, PSTN backup, and tail- end hop-off (TEHO). This course describes multisite deployment connection options and explains how to configure them. Also covered in this course is how to build multisite dial plans using CUCM and Cisco IOS gateway configuration. The concept of globalized call routing - a new...
Overview/Description
In a multisite Cisco Unified Communications Manager (CUCM) deployment, special requirements exist that are not necessary in single-site deployments. Deploying Cisco Unified Communications solutions among multiple sites requires an appropriate dial plan, adequate bandwidth between sites, implementation of quality of service (QoS), and a design that can survive IP WAN failures. To successfully deploy a multisite CUCM solution, you need to understand the issues and be aware of their possible solutions. This course discusses the issues in a multisite CUCM deployment,...
Overview/Description
To integrate VoIP networks into existing voice networks, you must have the skills and knowledge to implement call routing and design an appropriate numbering plan. A scalable numbering plan establishes the baseline for a comprehensive, scalable, and logical dial plan. This course describes call routing principles, discusses attributes of numbering plans for voice networks, addresses the challenges of designing these plans, and identifies the methods of implementing numbering plans. A dial plan is the central part of any telephony solution and defines how calls are routed...
Overview/Description
This course describes how to configure the Skinny Client Control Protocol (SCCP) and Session Initiation Protocol (SIP) endpoints in the Cisco Unified Communications Manager Express. The SCCP endpoints are defined as the Ethernet phones (ephones) and have SCCP directory numbers (ephone-dns) associated with them. The SIP endpoints are defined as voice register pools and have SIP directory numbers (voice register directory numbers) associated with them. This course discusses the various types of directory numbers available for Cisco Unified IP phones using either SCCP or SIP...
Overview/Description
Cisco Unified Communications Manager Express provides call processing for Cisco Unified IP phones for small-office or branch-office environments. It enables the large portfolio of Cisco integrated services routers to deliver unified communications features that are commonly used by business users to meet the voice and video communications requirements of the small or medium-sized office. Cisco Unified Communications Manager Express allows the deployment of a cost-effective, highly-reliable communications system using a single device with Cisco IOS Software. This course...
Overview/Description
Queuing algorithms are one of the primary ways to manage congestion in a network. Network devices manage an overflow of arriving traffic by using a queuing algorithm to sort traffic and determine a method of prioritizing the traffic onto an output link. Traffic policing controls the maximum rate of traffic that is sent or received on an interface. Traffic policing is used on interfaces at the network edge to limit traffic into or out of the network. Traffic shaping controls outgoing traffic on an interface to match the transmission rate to the speed of the remote end,...
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