Cisco Systems 3522 BRI manual PRI Gateways

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Chapter 1 Functionality

About Cisco Unified Videoconferencing 3500 Gateway Applications and Topologies

PRI Gateways

You can connect the PRI gateway directly to a PRI line provided by your local ISDN provider (as shown in Figure 1-4), or to a local private branch exchange (PBX) that provides the PRI connection (as shown in Figure 1-5).

Figure 1-4 Connecting the PRI Gateway Directly to a Central Office Switch

 

Private

Public

 

IP

 

 

network

 

H.323

 

PRI T1/E1

 

 

Terminal

 

Central office

 

Cisco Unified

 

switch

 

Videoconferencing

 

IP

Gateway

271778

 

IP phone

 

 

 

Figure 1-5 Connecting the PRI Gateway to a PBX that Provides a PRI Line

Private Public

H.323 terminal

IP phone

IP

IP network

Cisco chassis/unit

PRI T1/E1

 

Cisco Gateway

PBX

 

Central Office

switch

157167

Installation and Upgrade Guide for Cisco Unified Videoconferencing 3522 BRI Gateway and 3527 PRI Gateway Release 5.6

 

OL-17010-01

1-9

 

 

 

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Contents Customer Order Number Text Part Number OL-17010-01 Americas HeadquartersPage N T E N T S Safety EMC OL-17010-01 About Cisco Unified Videoconferencing 3500 Gateway Products FunctionalityAbout Gateway Features Feature DescriptionTCS4 Feature Description VGA, XGA, SVGA, SIF, 4SIF, CIF, QCIF, 4CIF, 16CIF Feature Cisco UnifiedFeature Cisco Unified Multimedia Conferencing through the Gateway About Multimedia ConferencingAbout Multipoint Conferencing About Point-to-Point ConferencingAbout Gateway Isdn Network Connections About Gateway IP Network ConnectionsPRI Gateways BRI Gateways About PRI Gateway Call Handling Capacity About BRI Gateway Call handling CapacityCapacity About Gateway Call Bandwidth Overhead Resource Allocation across E1/T1 LinesAbout Peer-to-Peer Connectivity Physical Description Setting Up Your Cisco Unified Videoconferencing 3500 GatewayFront Panel Cisco Unified Videoconferencing 3527 PRI Gateway Rear PanelComponent Description Cisco Unified Videoconferencing 3522 BRI Gateway Rear Panel Cisco Unified Videoconferencing 3522 BRI Gateway RTMEkts ProcedureVerifying the Package Contents About the Initial Configuration and Boot Phases How to Perform the Cisco UnifiedRequirements Connecting to a PCSetting the IP Address Before You BeginProcedure Press Enter Setting Ethernet Speed and Duplex ParametersChanging the Configuration Tool Login Password Local Port Monitoring Connections Snmp ManagementFor example, http//125.221.23.44 or boardname Performing Software UpgradesNetscape Navigator Users Online Help RegistrationOL-17010-01 Using the Cisco Software Upgrade Utility About the Cisco Software Upgrade UtilityLaunching the Cisco Software Upgrade Utility Click Customize Upgrading SoftwarePin Function Cable Connections and Pin-outsRS-232 9-Pin Serial Port RJ-45 8-Pin IP Network PortTXD + Isdn PortRXD+ RXD +Communication Interfaces Technical SpecificationsLED Indicators Push ButtonsMemory Power SupplyChipset Operating SystemSafety Electrical SafetyGrounding ESD Procedures High VoltageBatteries ESD-Verfahren SicherheitSeguridad Elektrische SicherheitAlta Tensión Seguridad ElectricaProcedimientos ESD Puesta a TierraMise a la Terre Securite ElectriqueHaute Tension Prevention des Decharges ElectrostatiquesSafety Compliance Compliance and CertificationsCISPR24 CE CTR3, CE CTR4 TelecomFCC Part 15 Notice Acta Part 68 NoticeIndustry Canada Environmental ComplianceOL-17010-01 EMC BRIIsdn Line quality Local Configuration MonitoringSvga PRISnmp IN-4
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3522 BRI specifications

Cisco Systems has long been a leader in networking and telecommunications equipment, and its BRI (Basic Rate Interface) and PRI (Primary Rate Interface) products are essential components in enabling businesses to manage voice and data communications efficiently. Notable models such as the Cisco 3522 BRI and 3527 PRI have earned recognition for their robust performance and versatile features.

The Cisco 3522 BRI is designed to deliver high-quality voice and data services over ISDN (Integrated Services Digital Network) connections. With two B channels for voice or data transmission, each supporting up to 64 Kbps, this device is ideal for small to medium-sized businesses that require reliable communication solutions while maintaining cost-effectiveness. The Cisco 3522 BRI supports multiple protocols, making it a flexible choice to adapt to various network environments.

On the other hand, the Cisco 3527 PRI supports up to 30 B channels, thereby significantly increasing the capacity for voice calls and data transfer. This scalability makes the 3527 PRI suitable for larger organizations that demand higher throughput and call handling capability. It operates over T1 and E1 lines, allowing businesses to leverage existing infrastructure while improving operational efficiencies. Additionally, the 3527's advanced features, such as call processing and load balancing, contribute to a seamless communication experience.

Both devices support a range of technologies that enhance functionality and performance. They are equipped with Call Admission Control (CAC) to optimize bandwidth use and reduce congestion during peak traffic. Cisco's VoIP technology, including features such as voice provisioning, fax over IP, and QoS (Quality of Service) mechanisms, ensures voice clarity and reliability.

Security is paramount, and both the 3522 and 3527 incorporate various protocols such as SRTP (Secure Real-Time Transport Protocol) to protect voice communications against unauthorized access. Furthermore, integration with Cisco's unified communications offerings allows for a more cohesive communication strategy, ensuring that users can take advantage of collaboration tools and data services.

In conclusion, the Cisco 3522 BRI and 3527 PRI models stand out with their impressive feature sets and technologies, making them an excellent investment for businesses needing reliable, scalable, and secure voice and data communication solutions. Choosing Cisco means embracing a future-proof solution that can grow with your organization's communication needs.