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Cisco 1861 and Cisco 2800, 3800, 2900, 3900,

and 3900E Series Integrated Services Router

Interoperability with Cisco Unified Communications

Manager

Cisco

Services Routers can be deployed as unified communications routers as part of the

Cisco Unified Communications and Collaboration Solution. New and existing

deployments can benefit by using any of these routers as unified communications

gateways with Cisco Unified Communications Manager.

Cisco 1861 and Cisco 2800, 3800, 2900, 3900, and 3900E Series unified communications routers communicate

directly with Cisco Unified Communications Manager, allowing for the deployment of unified communications

solutions that are ideal for small and medium-sized businesses, large enterprises, and service providers that offer

managed network services. The Cisco 1861 and Cisco 2800, 3800, 2900, 3900, and 3900E Series Routers provide

a highly flexible and scalable solution for small and medium-sized branch and regional offices.

The Cisco 1861 and Cisco 2800, 3800, 2900, 3900, and 3900E Series unified communications routers support a

wide range of packet telephony-based voice interfaces and signaling protocols within the industry, providing

connectivity support for more than 90 percent of the world's private branch exchanges (PBXs) and public-switched-

telephone-network (PSTN) connection points. Signaling support includes T1/E1 Primary Rate Interface (PRI), T1

channel associated signaling (CAS), E1-R2, T1/E1 QSIG protocol, T1 Feature Group D (FGD), Basic Rate

Interface (BRI), foreign exchange office (FXO), ear and mouth (E&M), and foreign exchange station (FXS). You

can configure these unified communications routers to support from 2 to 720 voice channels. Additionally, you can

use these unified communications routers to terminate Session Initiation Protocol (SIP) trunking into the enterprise

or branch office by enabling the Cisco Unified Border Element features. Additional details are available in the Cisco

Unified Border Element data sheet.

As your enterprise seeks to deploy an expanding list of unified communications applications and services, Cisco

1861 and Cisco 2800, 3800, 2900, 3900, and 3900E Series unified communications routers - interoperating with

Cisco Unified Communications Manager - can provide a solution that will grow with your changing needs.

Interoperability Using SIP, H.323, or MGCP

The unified communications routers can communicate with the Cisco Unified Communications Manager using

Session Initiation Protocol (SIP), H.323, or Media Gateway Control Protocol (MGCP):

●

In SIP and H.323 mode, the unified communications routers communicate with Cisco Unified

Communications Manager as intelligent gateway devices.

●

In MGCP mode, these routers operate as stateless clients, giving Cisco Unified Communications Manager

full control. Dial plans are configured centrally in Cisco Unified Communications Manager. Then you can

automatically configure voice-gateway routers by downloading XML files.

1861 and Cisco 2800, 3800, 2900, 3900, and 3900E Series Integrated

Data Sheet

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