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Cisco 2821 Voice Bundle provides reliable UC performance. PVDM2-32 supports multiple endpoints efficiently for small to medium branches.
CISCO2821-V/K9
2821 Voice Bundle,PVDM2-32,SP Serv,128F/512D
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CISCO2821-V/K9
- Description:
- 2821 Voice Bundle,PVDM2-32,SP Serv,128F/512D
- Rating:
Added to cart 28 times recently
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In stock - Ready to Ship
- Brand:
- Cisco
- GTIN:
- 818249903606
- Condition:
- Warranty:
- 3
- List Price:
$4,695.00
- Price:
$2,131.0054.6% off
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1
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CISCO2821-V/K9 Overview
CISCO2821-V/K9 is a fixed-architecture integrated services router engineered to deliver robust power management options, versatile WAN and LAN interfaces, and comprehensive integrated services including voice and WAN optimization. Designed for secure branch connectivity, it provides modular capabilities with support for EHWIC expansion slots, enabling customization to meet diverse network needs while delivering high-performance routing and VPN features.
CISCO2821-V/K9 offers reliable throughput optimized for small to mid-sized enterprises, with built‐in VPN support—such as IPSec and SSL VPN—to ensure secure remote communications. Its design emphasizes redundancy options, flexible power sourcing, and advanced firewall and quality-of-service capabilities to address demanding use cases in branch office and enterprise edge environments.
CISCO2821-V/K9 price is $2,131.00, a 54.6% saving from the Cisco list price of $4,695.00. CISCO2821-V/K9 is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for CISCO2821-V/K9 for additional pricing. Browse the full Router Isr 2800 series or explore all Cisco products.
CISCO2821-V/K9 Specifications
- Power Source
- AC Power Supply
- Memory
- 256 MB
- Flash Memory
- 128 MB
- Ethernet Technology
- 10/100
- Form Factor
- Desktop
- Weight
- N/A
- Height
- N/A
- Depth
- N/A
- Width
- N/A
- Product Type
- Enterprise Router
- Routing Protocols
- OSPF / BGP / EIGRP / RIP / Static Routing
- Architecture
- Fixed
- Wi-Fi Standard
- N/A
- Connectivity Type
- Wired
- Wireless Support
- No
- Firewall Features
- Yes
- Management
- Managed
- High Availability Support
- Not Supported
- Safety
- N/A
- EMC
- N/A
- Telecom
- N/A
- QoS Features
- Supported
- Modular Slots Available
- 2 Slots
- Stacking Capability
- No
- 5G Support
- No
- Interface Ports
- RJ-45
- Device Type
- Router
- WAN Configuration
- WAN
- Expansion Slots
- EHWIC
- Broadband
- N/A
- Speed/Capacity
- N/A
- Remote Management
- Telnet / SSH / SNMP
- Compliance Standards
- FCC / CE / RoHS
- LAN Ports
- 4 LAN Ports
- Built-in Security Features
- Firewall / Intrusion Prevention
- Network Protocols
- IPv4 / IPv6
- Throughput Capacity
- N/A
- WAN Ports
- 1 WAN
- VPN Support
- IPSec / SSL VPN / DMVPN / N/A
- Use Case
- Business
- Integrated Services
- Voice / WAN Optimization
- Power
- 75 Watt
- Features
- VPN / IPv6 Compatible / Firewall / VoIP
- Product Name
- Cisco 2821 Integrated Services Router
CISCO2821-V/K9 Use Case
Branch Office VoIP Gateway Deployment with CISCO2821-V/K9-2821 Voice Bundle, PVDM2-32, SP Serv, 128F/512D
In a distributed retail network, each branch uses CISCO2821-V/K9-2821 Voice Bundle, PVDM2-32, SP Serv, 128F/512D to terminate SIP trunks and provide PSTN failover, supporting up to 32 concurrent calls. This integration consolidates voice and data on a single router, enforces QoS for carrier-grade voice quality, and reduces telephony costs by 25%, accelerating branch rollouts and simplifying maintenance.
Medium-Sized Call Center Voice Processing and Transcoding
A 50-agent insurance call center deploys CISCO2821-V/K9-2821 Voice Bundle, PVDM2-32, SP Serv, 128F/512D for high-density DSP processing, enabling real-time transcoding, fax pass-through, and media termination. By offloading voice workloads, the solution increases call capacity by 40%, ensures sub-150 ms latency, and streamlines regulatory compliance with integrated recording interfaces.
Legacy PBX Migration to Cisco Unified Communications
An enterprise migrates from legacy TDM PBX to Cisco Unified Communications Manager by using CISCO2821-V/K9-2821 Voice Bundle, PVDM2-32, SP Serv, 128F/512D as a SIP gateway. The router handles multi-codec transcoding for analog and digital endpoints, enabling phased migration, reducing capital expenditures by 20%, and ensuring zero-downtime cutover with built-in redundancy.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table
 CISCO2821-V/K9 |  CISCO2851-AC-IP |  C2801-VSEC-CCME/K9 |  C2801-VSEC-SRST/K9 |  CISCO2851-HSEC/K9 | |
|---|---|---|---|---|---|
| 5G Support | No | No | No | No | No |
| Architecture | Fixed | Modular | Modular | Fixed | Modular |
| Broadband | N/A | N/A | N/A | N/A | N/A |
| Built-in Security Features | Firewall / Intrusion Prevention | Firewall / Intrusion Prevention | Firewall / Intrusion Prevention / VPN | Firewall, Intrusion Prevention, Malware Protection | Firewall / Intrusion Prevention / VPN |
| Compliance Standards | FCC / CE / RoHS | FCC, CE | FCC, CE, RoHS | FCC, CE | FCC, CE |
| Connectivity Type | Wired | Wired | Wired | Wired | Wired |
| Depth | N/A | N/A | 12 inches | 14.1 inches | 10.75 inches |
| Device Type | Router | Router | Router | Router | Router |
| EMC | N/A | N/A | FCC, CE | N/A | FCC, CE |
| Ethernet Technology | 10/100 | 10/100 | 10/100 | 10/100 | 10/100 |
| Expansion Slots | EHWIC | EHWIC / NIM | EHWIC / NIM | EHWIC | EHWIC |
| Features | VPN / IPv6 Compatible / Firewall / VoIP | VPN / VoIP / IPv6 Compatible / Firewall / MPLS | VPN / Firewall / NAT / QoS / IPv6 Compatible | VPN / VoIP / IPv6 Compatible / Firewall | VPN / IPv6 Compatible / Firewall |
| Firewall Features | Yes | Yes | Yes | Yes | Yes |
| Flash Memory | 128 MB | 256 MB | 128 MB | 128 MB | 256 MB |
| Form Factor | Desktop | Rack-mount | Rack-mount | Rack-mount | Rack-mount |
| Height | N/A | N/A | 1.8 inches | 2.2 inches | 1.73 inches |
| High Availability Support | Not Supported | Not Supported | Supported | Not Supported | Supported |
| Integrated Services | Voice / WAN Optimization | Voice / Video | Voice / Security | Voice | Voice / Video |
| Interface Ports | RJ-45 | RJ-45 | RJ-45 | RJ-45 | RJ-45 |
| LAN Ports | 4 LAN Ports | N/A | 4 LAN Ports | 4 LAN Ports | Modular LAN |
| Management | Managed | Managed | Managed | Managed | Managed |
| Memory | 256 MB | 512 MB | 256 MB | 256 MB | 256 MB |
| Modular Slots Available | 2 Slots | 2 Slots | 2 Slots | 2 Slots | 2 Slots |
| Network Protocols | IPv4 / IPv6 | IPv4, IPv6 | IPv4, IPv6, OSPF, EIGRP, RIP, BGP | IPv4, IPv6, TCP/IP | IPv4, IPv6 |
| Power | 75 Watt | 125 W | 65 Watt | 65W | 80 W |
| Power Source | AC Power Supply | AC Power Supply | AC Power Supply / Redundant | AC Power Supply | AC Power Supply / Redundant |
| Product Name | Cisco 2821 Integrated Services Router | Cisco 2851-AC-IP Integrated Services Router | Cisco 2801 Integrated Services Router VSEC CCME | Cisco C2801-VSEC-SRST/K9 | Cisco 2851 Integrated Services Router - High Security (CISCO2851-HSEC/K9) |
| Product Type | Enterprise Router | Enterprise Router | Enterprise Router | Enterprise Router | Enterprise Router |
| QoS Features | Supported | Supported | Supported | Supported | Supported |
| Remote Management | Telnet / SSH / SNMP | CLI, SNMP, SSH | SSH, Telnet, SNMP, HTTP/HTTPS | Telnet, SSH, SNMP | Telnet, SSH, SNMP, HTTP/HTTPS |
| Routing Protocols | OSPF / BGP / EIGRP / RIP / Static Routing | OSPF / BGP / EIGRP / RIP / Static Routing | OSPF / EIGRP / RIP / Static Routing | OSPF / BGP / EIGRP / RIP / Static Routing | OSPF / BGP / EIGRP / RIP / Static Routing |
| Safety | N/A | N/A | UL, CE | N/A | N/A |
| Speed/Capacity | N/A | N/A | N/A | N/A | N/A |
| Stacking Capability | No | No | No | No | No |
| Telecom | N/A | N/A | N/A | N/A | N/A |
| Throughput Capacity | N/A | 0.075 | 0.035 Gbps | 0.075 Gbps | 0.025 Gbps |
| Use Case | Business | Enterprise | Enterprise | Enterprise | Enterprise |
| VPN Support | IPSec / SSL VPN / DMVPN / N/A | IPSec / DMVPN / N/A | IPSec / SSL VPN / DMVPN / N/A | IPSec / SSL VPN / DMVPN | IPSec / SSL VPN |
| WAN Configuration | WAN | Dual WAN | Dual WAN | Dual WAN | Dual WAN |
| WAN Ports | 1 WAN | 2 WAN | 2 WAN | 2 WAN | 2 WAN |
| Weight | N/A | N/A | 10 lbs | 17.6 lbs | 12 lbs |
| Wi-Fi Standard | N/A | N/A | N/A | N/A | N/A |
| Width | N/A | N/A | 17.3 inches | 17.2 inches | 18 inches |
| Wireless Support | No | No | No | No | No |
Reviews & Ratings
E
Emma Jenkins
4
Durable and predictable. Handles voice workloads reliably while maintaining consistent network performance.
L
Lucas Morgan
5
Easy to deploy and manage. Maintains secure and high-quality voice and UC operations.
M
Mia Foster
3
Reliable Cisco solution. Supports branch offices with seamless voice, UC, and secure communications.
J
James Riley
4
High-performing and robust. Ideal for offices needing predictable UC and voice services.
Questions & Answers
What is the Cisco 2821 Voice Bundle with PVDM2-32 and SP Serv?
The Cisco 2821 Voice Bundle with PVDM2-32 and SP Serv is an integrated router solution supporting voice and data services. It includes a 32-channel PVDM2 DSP module for media processing, a Service Provider license, and 128 MB flash with 512 MB DRAM.
How many simultaneous voice calls can the PVDM2-32 support?
The PVDM2-32 module supports up to 32 simultaneous voice calls using G.711 or compressed codecs, or up to 16 calls with higher-complexity codecs such as G.729, ensuring efficient DSP allocation for media and conferencing.
What does the SP Serv (Service Provider) license provide?
The SP Serv license unlocks advanced IP routing and voice features for service provider environments, including MPLS, enhanced QoS, and carrier-grade NAT. It ensures compliance with carrier regulations and delivers high availability.
What are the memory specifications of the Cisco 2821 bundle?
This bundle includes 512 MB of DRAM for fast packet processing and 128 MB of flash memory for the operating system and configuration files, supporting Cisco IOS feature sets and voice applications.