By Kevin Wallace
Enforcing Cisco Unified Communications Voice over IP and QoS (CVOICE) beginning studying consultant is a Cisco®-authorized, self-paced studying software for CCNP Voice beginning studying. constructed along side the Cisco CCNP Voice certification workforce, it covers all elements of making plans, designing, and deploying Cisco VoIP networks and integrating gateways, gatekeepers, and QoS into them. up to date all through for the hot CCNP Voice (CVOICE) model 8.0 examination (642-437), this advisor teaches you the way to enforce and function gateways, gatekeepers, Cisco Unified Border point, Cisco Unified Communications supervisor show, and QoS in a voice community structure. assurance contains voice gateways, features of VoIP name legs, dial plans and their implementation, simple implementation of IP telephones in Cisco Unified Communications supervisor show setting, and crucial information regarding gatekeepers and Cisco Unified Border point. The e-book additionally offers info on voice-related QoS mechanisms which are required in Cisco Unified Communications networks. Fourteen video lab demonstrations at the accompanying CD-ROM stroll you step-by-step via configuring DHCP servers, CUCME autoregistration, ISDN PRI circuits, PSTN dial plans, DID, H.323 and MGCP gateways, VoIP dial peering, gatekeepers, COR, AutoQoS VoIP, and lots more and plenty extra. even if you're getting ready for CCNP Voice certification or just are looking to achieve a greater realizing of VoIP and QoS, you are going to enjoy the starting place info offered during this e-book. - Voice gateways, together with operational modes, services, similar name leg kinds, and routing strategies - Gateway connections to standard voice circuits through analog and electronic interfaces - uncomplicated VoIP configuration, together with A/D conversion, encoding, packetization, gateway protocols, dial friends, and transmission of DTMF, fax, and modem tones - helping Cisco IP telephones with Cisco Unified Communications supervisor exhibit - Dial plans, together with digit manipulation, course choice, calling privileges, and extra - Gatekeepers, Cisco Unified Border components, and phone admission keep an eye on (CAC) configuration - QoS matters and mechanisms - designated DiffServ QoS features and mechanisms - Cisco AutoQoS configuration and operation
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Extra resources for Implementing Cisco Unified Communications Voice over IP and QoS (Cvoice) Foundation Learning Guide: (CCNP Voice CVoice 642-437) (4th Edition) (Foundation Learning Guides)
Examples of MGCP-capable devices are the Cisco VG224 Analog Phone Gateway and the Cisco 2600XM Series, 2800 Series, 2900 Series, and 3900 Series routers. Non-IOS MGCP gateways include the Cisco Catalyst 6608-E1 and Catalyst 6608-T1 module. MGCP is used to manage a gateway. All ISDN Layer 3 information is backhauled to a Cisco UCM server. 921) is terminated on the gateway, as depicted in Figure 1-4. 323 protocol, SIP is a peer-to-peer protocol. The configuration necessary for the gateway is relatively complex because the dial plan and route patterns need to be defined directly on the gateway.
In addition, use multiple gatekeepers to provide redundancy within the network. ■ Size the platforms appropriately to ensure that performance and capacity requirements can be met. 323 specification does not allow for Layer 2, IP, UDP, or RTP header overhead in the bandwidth request. Using one type of codec on the WAN simplifies capacity planning by eliminating the need to over-provision the IP WAN to allow for a worst-case scenario. Gatekeeper networks can scale to hundreds of sites, and the design is limited only by the WAN topology.
Use SIP, SRST, and MGCP gateways for the PSTN. This practice simplifies dial plan configuration. 323 might be required to support specific functionality, such as support for SS7 or Nonfacility Associated Signaling (NFAS), which allows a single channel on one digital circuit to carry signaling information for multiple digital circuits. ■ Implement the recommended network infrastructure for high availability, connectivity options for phones (in-line power), QoS mechanisms, and security. Multisite WAN with Centralized Call-Processing Deployment The model for a multisite WAN deployment with centralized call processing consists of a single call-processing agent cluster that provides services for multiple remote sites and uses the IP WAN to transport Cisco Unified Communications traffic between sites.
Implementing Cisco Unified Communications Voice over IP and QoS (Cvoice) Foundation Learning Guide: (CCNP Voice CVoice 642-437) (4th Edition) (Foundation Learning Guides) by Kevin Wallace