Implementing Cisco Unified Communications Voice over IP and by Kevin Wallace PDF

By Kevin Wallace

ISBN-10: 1587204193

ISBN-13: 9781587204197

Mplementing Cisco Unified Communications Voice over IP and QoS (CVOICE) origin studying consultant is a Cisco - approved, self-paced studying device for CCNP Voice origin studying. built along with the Cisco CCNP Voice certification staff, it covers all points of making plans, designing, and deploying Cisco VoIP networks and integrating gateways, gatekeepers, and QoS into them.

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Additional info for Implementing Cisco Unified Communications Voice over IP and QoS (Cvoice), 4th Edition: Foundation Learning Guide: CCNP Voice (CVoice) 642-437

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0 and later running in SRST mode. Unified CME running in SRST mode provides more features for the phones than SRST on a Cisco IOS gateway. info 18 Implementing Cisco Unified Communications Voice over IP and QoS (CVoice) Foundation Learning Guide Design Characteristics of Multisite WAN with Centralized Call-Processing Deployment The multisite model with centralized call processing has the following design characteristics: ■ Single UCM cluster. ■ Maximum of 30,000 SCCP or SIP IP phones or SCCP video endpoints per cluster.

323 environment. 323-compliant terminals. Comparing VoIP Signaling Protocols The primary goal for all four of the previously mentioned VoIP signaling protocols is the same—to create a bidirectional Real-time Transport Protocol (RTP) stream between VoIP endpoints involved in a conversation. However, VoIP signaling protocols use different architectures and procedures to achieve this goal. 323 is not a single protocol. Rather, it is a suite of protocols. The necessary gateway configuration is relatively complex, because you need to define the dial plan and route patterns directly on the gateway.

Recent versions of Cisco IOS voice gateways—for example, the 2900 series—also support SCCP controlled Foreign Exchange Station (FXS) ports. Gateway Deployment Example Gateways are deployed usually as edge devices on a network. Because gateways might interface with both the PSTN and a company WAN, they must have appropriate hardware and utilize an appropriate protocol for that network. Figure 1-7 represents a scenario where three types of gateways are deployed for VoIP and PSTN interconnections.

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Implementing Cisco Unified Communications Voice over IP and QoS (Cvoice), 4th Edition: Foundation Learning Guide: CCNP Voice (CVoice) 642-437 by Kevin Wallace


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