Cisco Systems 3522 BRI Functionality, About Cisco Unified Videoconferencing 3500 Gateway Products

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C H A P T E R 1

Functionality

About Cisco Unified Videoconferencing 3500 Gateway Products, page 1-1

About Gateway Features, page 1-2

About Cisco Unified Videoconferencing 3500 Gateway Applications and Topologies, page 1-6

About Cisco Unified Videoconferencing 3500 Gateway Functionality, page 1-11

About Cisco Unified Videoconferencing 3500 Gateway Products

The Cisco Unified Videoconferencing 3500 Gateway series consists of these products:

Cisco Unified Videoconferencing 3527 PRI Gateway

The Cisco Unified Videoconferencing 3527 PRI Gateway enables audio, video, and data communication between H.320 endpoints that connect through ISDN, and H.323 endpoints that connect through a packet-based network. For voice-over-IP, the gateway enables PSTN voice callers to connect from the ISDN network to IP voice callers. The Cisco Unified

Videoconferencing 3527 PRI Gateway supports one PRI ISDN port.

Cisco Unified Videoconferencing 3522 BRI Gateway

The Cisco Unified Videoconferencing 3522 BRI Gateway enables audio, video and data communication between H.320 endpoints that connect through Integrated Services Digital Network (ISDN), and H.323 endpoints that connect through a packet-based network. For voice-over-IP, the gateway enables Public Switched Telephone Network (PSTN) voice callers to connect with IP voice callers. The Cisco Unified Videoconferencing 3522 BRI Gateway supports up to four BRI ISDN ports.

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

 

OL-17010-01

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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 FunctionalityFeature Description About Gateway FeaturesTCS4 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 BRI Gateway Call handling Capacity About PRI Gateway Call Handling CapacityCapacity Resource Allocation across E1/T1 Lines About Gateway Call Bandwidth OverheadAbout Peer-to-Peer Connectivity Physical Description Setting Up Your Cisco Unified Videoconferencing 3500 GatewayCisco Unified Videoconferencing 3527 PRI Gateway Rear Panel Front 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 About the Cisco Software Upgrade Utility Using 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 SystemElectrical Safety SafetyGrounding High Voltage ESD ProceduresBatteries ESD-Verfahren SicherheitSeguridad Elektrische SicherheitAlta Tensión Seguridad ElectricaProcedimientos ESD Puesta a TierraMise a la Terre Securite ElectriqueHaute Tension Prevention des Decharges ElectrostatiquesCompliance and Certifications Safety ComplianceCISPR24 CE CTR3, CE CTR4 TelecomFCC Part 15 Notice Acta Part 68 NoticeIndustry Canada Environmental ComplianceOL-17010-01 EMC BRIIsdn Line quality Local Configuration MonitoringPRI SvgaSnmp 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.