Introducing VoIP Gateways (Introducing Voice over IP Networks) Part 2

Well-Known and Widely Used Enterprise Models

Several Cisco modular access routers that might already be installed in enterprise networks have voice gateway capabilities. Although some of these models are well known and widely used, they have reached end of sale (EOS) status. However, because these routers were the leading voice gateway products for a long time, you should be familiar with and know how to support these models.

Cisco 1751-V Modular Access Router

The Cisco 1751-V modular access router, as pictured in Figure 1-13, supports multiservice integration of voice, video, data, and fax traffic. The router offers many WAN-access and voice-interface options, VoIP, high-performance routing with bandwidth management, inter-VLAN routing, and virtual private network (VPN) access with a firewall. Go to http://www.cisco.com/go/1700 to learn more about the Cisco 1700 Series Modular Access Routers.

Cisco 1751-V

Figure 1-13 Cisco 1751-V

Cisco 1760-V Modular Access Router

The Cisco 1760-V Modular Access Router, as depicted in Figure 1-14, offers small-to-medium-sized businesses and small-enterprise branch offices a 19-inch rack-mount access solution designed to take advantage of the productivity of business applications. The router ensures the multiservice integration of voice, video, data, and fax traffic. It provides businesses with the complete functionality and flexibility to deliver secure Internet and intranet access. The router has many WAN access options, VoIP, high-performance routing with QoS, inter-VLAN routing, and VPN access with firewall options.

Cisco 1760-V

Figure 1-14 Cisco 1760-V

Cisco 2600XM Series Multiservice Routers

The modular architecture of the Cisco 2600XM Series multiservice routers, as shown in Figure 1-15, enables you to upgrade interfaces to accommodate network expansion or changes in technology as new services and applications are deployed. Modular interfaces are shared with the Cisco 1700 Series Modular Access Routers and the Cisco 3700 Series Multiservice Access Routers, providing investment protection and reducing the complexity of managing a remote network solution by integrating the functions of multiple, separate devices into a single, compact unit. Network modules available for the 2600XM Series and 3700 Series support many applications, including multiservice voice and data integration, integrated switching, analog and ISDN dial access, and serial device concentration. Go to http://www.cisco.com/go/2600 to learn more about the Cisco 2600XM Series multiservice routers.

Cisco 2600XM Series

Figure 1-15 Cisco 2600XM Series

Cisco 3600 Series Multiservice Access Routers

The Cisco 3600 Series, as shown in Figure 1-16, is a family of modular, multiservice access platforms for medium- and large-sized offices and smaller Internet service providers (ISPs). With more than 70 modular interface options, the Cisco 3600 Series provides solutions for data, voice, video, hybrid dial access, VPNs, and multiprotocol data routing. The high-performance, modular architecture protects customers’ investments in network technology and integrates the functions of several devices within a single, manageable solution.

Cisco 3600 Series

Figure 1-16 Cisco 3600 Series

Cisco extended the Cisco 3600 Series with the Cisco 3660 multiservice access platform. The Cisco 3660 platform provides higher densities, greater performance, and more expansion capabilities. The additional power and performance of the Cisco 3660 platform enables new applications, such as packetized voice aggregation and branch office Asynchronous Transfer Mode (ATM) access ranging from T1/E1 inverse multiplexing over ATM (IMA) to Optical Carrier 3 (OC-3). Go to http://www.cisco.com/go/3600 to learn more about the Cisco 3600 Series multiservice access routers.

Cisco 3700 Series Multiservice Access Routers

The Cisco 3700 Series Multiservice Access Routers, as illustrated in Figure 1-17, are modular routers that enable flexible and scalable deployment of e-business applications for the Cisco Full Service Branch (FSB) office. The 3700 Series Multiservice Access Routers optimize the branch office with high-performance routing, integrated low-density switching, security, voice, IP telephony, voice mail, video, and content networking in an integrated solution. This integrated design enables enterprise customers to adapt to evolving business needs by enhancing Cisco IOS services, such as QoS, IP multicast, VPN, firewall, and an intrusion prevention system (IPS). The 3700 Series Multiservice Access Routers are based on the same modular concepts as the 3600 Series, but they enable higher levels of performance and service integration for the branch office. Go to http://www.cisco.com/go/3700 to learn more about the Cisco 3700 Series Multiservice Access Routers.

Cisco 3700 Series

Figure 1-17 Cisco 3700 Series

Standalone Voice Gateways

To fit special needs within a customer’s unified messaging system, Cisco offers standalone voice gateways for specific purposes. Each of these voice gateways fulfills a different need, such as the integration of analog devices into a unified messaging system, enhanced performance, business-class functionality, adaptability, serviceability, and manageability.

Cisco VG224 and VG248 Analog Phone Gateways

Cisco VG200 Series Gateways, including Cisco VG224 Analog Phone Gateway and Cisco VG248 Analog Phone Gateway, provide support for traditional analog devices while taking advantage of the new capabilities that Cisco IP Communications affords.

Cisco VG200 Series Gateways include these features:

■ VG200 Series Gateways are high-density gateways for using analog phones, fax machines, modems, voice-mail systems, and speakerphones.

■ VG200 Series Gateways offer feature-rich functionality for enterprise voice systems based on Cisco Unified Communications Manager or Cisco Unified Communications Manager Express.

■ The VG224 Analog Phone Gateway is based on a Cisco IOS software platform and offers 24 fully featured analog ports for use as extensions to Cisco Unified Communications Manager or Cisco Unified Communications Manager Express systems in a compact 19-inch rack-mount chassis.

■ The VG248 Analog Phone Gateway, as shown in Figure 1-18, offers 48 fully featured analog ports for use as extensions to the Cisco UCM system in a compact 19-inch rack-mount chassis.

Cisco VG248

Figure 1-18 Cisco VG248 

Cisco AS5300 Series Universal Gateways

The Cisco AS5300 Series, an example of which is provided in Figure 1-19, is a series of access servers that includes the Cisco AS5350 Universal Gateway and the Cisco AS5350XM Universal Gateway. The AS5350XM Universal Gateway doubles the performance of the Cisco AS5350 Universal Gateway, allowing the same applications to run faster and with lower CPU utilization levels. Go to http://www.cisco.com/go/as5300 to learn more about the Cisco AS5300 Series Universal Gateways.

Cisco AS5300 Series

Figure 1-19 Cisco AS5300 Series

Cisco AS5400 Series Universal Gateways

The Cisco AS5400 Series, which is another series of access servers, includes the Cisco AS5400HPX Universal Gateway, which enhances performance for processor-intensive voice and fax applications, and the Cisco AS5400XM Universal Gateway, shown in Figure 1-20. Go to http://www.cisco.com/go/as5400 to learn more about the Cisco AS5400 Series Universal Gateways.

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