Powerful and Reliable
The CISCO2821-SRST/K9 Cisco 2821 Voice Bundle is a powerful and reliable router that is designed for small and medium-sized businesses. It is equipped with a PVDM2-32 DSP module, FL-SRST-50 license, and SP services that provide advanced voice and data features.
The PVDM2-32 DSP module provides high-density voice processing capabilities, allowing the router to handle up to 32 simultaneous voice calls. The FL-SRST-50 license enables the router to function as a survivable remote site telephony (SRST) gateway, providing call control and voicemail services in the event of a WAN failure.
The SP services included in the bundle provide enhanced security, quality of service (QoS), and management capabilities. This allows the router to prioritize and secure voice and data traffic, ensuring a high-quality user experience.
Features and Benefits
The CISCO2821-SRST/K9 Cisco 2821 Voice Bundle is a powerful and versatile router that is ideal for small to medium-sized businesses. Some of the key features and benefits of this router include:
-SRST support: The Cisco 2821 supports SRST (Survivable Remote Site Telephony), which allows for the router to provide call processing and voicemail services in the event of a WAN failure. This ensures that your business can continue to make and receive calls even if the connection to your main office is lost.
-PVDM2-32 support: The router includes a PVDM2-32 DSP module, which provides support for voice and video conferencing, voicemail, and other advanced voice features. This allows you to take advantage of all of the advanced features of Cisco's IP phone system without having to invest in additional hardware.
-FL-SRST-50 support: The router also includes an FL-SRST-50 license, which allows for the support of up to 50 SRST-enabled IP phones. This means that even if your main office connection is lost, your business can still support up to 50 simultaneous calls.
-SP Router: The router is also a Service Provider Router, which means that it is specifically designed for use in service provider networks. This ensures that your router is optimized for high-speed, reliable performance in a demanding environment.
-Versatile connectivity options: The Cisco 2821 includes a variety of connectivity options, including Ethernet, T1/E1, and serial ports. This allows you to easily connect to other devices and networks, such as IP phones, servers, and other routers.
-Advanced security features: The router includes advanced security features, such as VPN support and stateful firewall capabilities. This ensures that your network is protected from unauthorized access and other security threats.
Network Connectivity and Scalability
The CISCO2821-SRST/K9 Cisco 2821 Voice Bundle w/ PVDM2-32,FL-SRST-50,SP Router is a high-performance router that offers network connectivity and scalability for small to medium-sized businesses. It features a Cisco IOS Software-based SRST (Survivable Remote Site Telephony) solution that provides voice call continuity in the event of a WAN failure. The router also includes a PVDM2-32 module for voice compression and DSP resources, as well as an FL-SRST-50 license for 50 concurrent SRST sessions.
The router supports multiple WAN connectivity options, including T1/E1, ISDN BRI, and serial connections. It also has built-in support for voice gateways, including FXS, FXO, and E&M interfaces. The router can support up to 500 concurrent voice calls, and can be configured to support up to 50 SRST sessions.
The router also offers scalability options, including support for multiple VLANs, Quality of Service (QoS) features, and VPN functionality. It can also be integrated with Cisco Unified Communications Manager (CUCM) for advanced call routing and management capabilities.
- Manufacturer Cisco Systems, Inc
- Manufacturer Part Number CISCO2821-SRST/K9
- Brand Name Cisco
- Product Series 2800
- Product Model 2821
- Product Name 2821 Router with Voice Bundle
- Total Number of Ports 2
- USB Yes
- Management Port Yes
- Number of Network (RJ-45) Ports 2
- Number of Total Expansion Slots 11
- Expansion Slot Type NME
- Expansion Slot Type EVM
- Expansion Slot Type AIM
- Expansion Slot Type PVDM
Network & Communication
- Network Technology 10/100/1000Base-T
- Ethernet Technology Gigabit Ethernet
- Standard Memory 256 MB
- Maximum Memory 1 GB
- Memory Technology DRAM
- Flash Memory 64 MB
- Input Voltage 110 V AC
- Input Voltage 220 V AC
Routers lead the line as the first line of network security in homes and offices. It prevents intrusion into a network while creating a firewall to provide the highest level of security on several network types. They are the best ways of keeping computer systems, network systems, and information contained in them safe from intrusion.
A router is designed to be more capable than several other network devices such as hubs or switches that can only carry out basic network functions. For instance, a hub only transfers data between network devices without analyzing or doing anything with those data. On the other hand, routers are able to analyze data sent between network devices. They can change the packaging of such data and send it over to a different network.
Routers are the perfect devices to share an internet connection between multiple computers in home networks. A router typically connects to the modem using a network cable. Router networking occurs via a WAN port or the internet. There are also wireless routers that connect to devices using different wireless standards.
The hardware inside these routers allows them to cope with several network use at the same time. Many of these routers come with dual-core and quad-core processors. These processor options allow them to handle lots of data more effectively. Users can use their Wi-Fi routers for activities such as video streaming, online gaming, data backups, and more. Even while carrying out those operations, the routers perform at the highest levels.
Users will get routers that broadcast wireless signals over two frequencies (for dual-band) or more (for tri-band and others). These routers run at frequencies that can cover a wide expanse of area. They are not congested and are perfect for office buildings, homes, and large enterprises. Clients will find routers that emit their signals between 2.4 GHz and 5GHz.
Built-in Security Features
These router networking devices also come with security features such as device quarantine, firmware updates, automatic updates, and more. The features allow them to provide network-level protection against attacks. With these features, cybercriminals will be unable to infiltrate home networks.
Types of Routers
There are several types of routers that users can benefit from. Some of them include:
- Core Routers. These are the types used by Internet Service Providers. They are the fastest and most powerful types. They sit at the center of the internet and forward data through the main fiber Optics.
- Wireless Routers. These work in a similar manner as a home or business LAN. However, they give room for better mobility for laptops, tablets, and other portable devices. These types offer transmission over short distances.
- Enterprise Routers. These are the types employed by large companies. Organizations use enterprise routers to connect their networks to these core routers.
- Branch Routers. These types connect an enterprise's remote offices to its Wide Area Network (WAN). They come with improved features such as wireless LAN management, time-division multiplexing, WAN acceleration, and more.
- Edge Routers. These are the most commonly used types in homes and small businesses. They are low-capacity devices that connect to the public internet or private WAN, or external LAN.
- Logical Routers. They function similarly to hardware to create several network routes.
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Other Available Conditions for this Part
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