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Cisco 2921 Voice Bundle with PVDM3-32 ensures high-quality UC performance. Easy to deploy and manage for medium branch offices.
CISCO2921-V/K9
Cisco 2921 Voice Bundle, PVDM3-32, UC License PAK
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CISCO2921-V/K9
- Description:
- Cisco 2921 Voice Bundle, PVDM3-32, UC License PAK
- Rating:
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- Brand:
- Cisco
- GTIN:
- 763615825207
- Condition:
- Warranty:
- 3
- List Price:
$5,900.00
- Price:
$2,267.0061.6% off
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1
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CISCO2921-V/K9 Overview
Overview of CISCO2921-V/K9
CISCO2921-V/K9 is a modular, high-performance enterprise router engineered for integrated services with built-in VPN support and redundant power options. It features dual WAN interfaces paired with four LAN ports using 10/100 Ethernet technology, enabling versatile connectivity and reliable WAN configuration while supporting critical routing protocols and integrated voice, video, and WAN optimization services.
CISCO2921-V/K9 delivers proven throughput performance of up to 75 Mbps with enhanced security through built-in firewall and IPS capabilities. Its modular architecture offers expansion via EHWIC/NIM slots, supports remote management through CLI, Telnet, SSH, and SNMP, and is ideally suited for enterprise and business environments requiring dependable connectivity, redundancy, and secure VPN capabilities.
CISCO2921-V/K9 price is $2,267.00, a 61.6% saving from the Cisco list price of $5,900.00. CISCO2921-V/K9 is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for CISCO2921-V/K9 for additional pricing. Browse the full Router Isr 2900 series or explore all Cisco products.
CISCO2921-V/K9 Specifications
- Product Type
- Enterprise Router
- VPN Support
- IPSec / SSL VPN / DMVPN / FlexVPN
- Power Source
- AC Power Supply / Redundant
- Routing Protocols
- OSPF / BGP / EIGRP / RIP / Static Routing
- Broadband
- N/A
- Architecture
- Modular
- WAN Configuration
- Dual WAN
- WAN Ports
- 2 WAN
- LAN Ports
- 4 LAN Ports
- Ethernet Technology
- 10/100
- Wi-Fi Standard
- N/A
- Connectivity Type
- Wired
- Network Protocols
- IPv4 / IPv6
- Remote Management
- CLI / Telnet / SSH / SNMP
- Compliance Standards
- IEEE / FCC / CE
- Wireless Support
- No
- Speed/Capacity
- N/A
- Firewall Features
- Yes
- Features
- VPN / VoIP / IPv6 Compatible / Firewall
- Use Case
- Business / Enterprise
- Management
- Managed
- Form Factor
- Rack-mount
- Integrated Services
- Voice / Video / WAN Optimization
- High Availability Support
- Supported
- Safety
- N/A
- EMC
- N/A
- Telecom
- N/A
- Throughput Capacity
- 0.075 Gbps
- QoS Features
- Supported
- Built-in Security Features
- Firewall / Intrusion Prevention
- Expansion Slots
- EHWIC / NIM
- Modular Slots Available
- 2 Slots
- Stacking Capability
- No
- 5G Support
- No
- Memory
- 256 MB
- Flash Memory
- 256 MB
- Interface Ports
- RJ-45 / SFP
- Power
- 350 Watts
- Device Type
- Router
- Product Name
- Cisco 2921 Integrated Services Router
- Height
- N/A
- Width
- N/A
- Depth
- N/A
- Weight
- N/A
CISCO2921-V/K9 Use Case
Survivable Remote Site Telephony for Multi-Branch Networks
In a retail enterprise with 20 branch offices, the Cisco 2921 Voice Bundle, PVDM3-32, UC License PAK serves as a Survivable Remote Site Telephony (SRST) gateway. When WAN connectivity to the centralized Cisco Unified Communications Manager is lost, the router automatically provides local call processing and PSTN fallback. This ensures uninterrupted voice communications at each branch, reduces downtime by 100%, and maintains business continuity with enterprise-grade QoS and security.
High-Density Contact Center Voice Processing
A financial services call center with 80+ agents deploys the Cisco 2921 Voice Bundle, PVDM3-32, UC License PAK to consolidate voice, data, and UC on a single platform. The PVDM3-32 module delivers DSP resources for transcoding and conferencing, enabling support for up to 64 simultaneous calls with high audio clarity. This configuration drives a 30% reduction in hardware footprint, optimizes codec utilization, and delivers a superior customer experience with sub-20ms latency.
On-Premises SBC for Cloud-Hosted Unified Communications
An SME transitions to a cloud-hosted Cisco Webex Calling solution and deploys the Cisco 2921 Voice Bundle, PVDM3-32, UC License PAK as an on-premises Session Border Controller. The solution provides secure SIP trunking, NAT traversal, and QoS enforcement for 150 users. It ensures seamless integration, robust SRTP/TLS encryption, and delivers a 40% improvement in voice quality metrics while protecting on-premises assets.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table
 CISCO2921-V/K9 |  CISCO2921-SEC/K9 |  C2901-VSEC-SRE/K9 |  C2921-WAASX/K9 |  CISCO2901/K9 | |
|---|---|---|---|---|---|
| 5G Support | No | No | No | No | No |
| Architecture | Modular | Modular | Fixed | 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 / Malware Protection | Firewall / Intrusion Prevention / Malware Protection | Firewall / Intrusion Prevention |
| Compliance Standards | IEEE / FCC / CE | FCC / CE / UL | IEEE 802.3 / IEEE 802.1Q | IEEE 802.3 / IEEE 802.3u | FCC / CE |
| Connectivity Type | Wired | Wired | Wired | Wired | Wired |
| Depth | N/A | N/A | N/A | 14.57 inches | 15 inches |
| Device Type | Router | Router | Router | Router | Router |
| EMC | N/A | N/A | N/A | N/A | N/A |
| Ethernet Technology | 10/100 | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100 |
| Expansion Slots | EHWIC / NIM | EHWIC / NIM | EHWIC / NIM | EHWIC / NIM | EHWIC / NIM |
| Features | VPN / VoIP / IPv6 Compatible / Firewall | VPN / Intrusion Prevention / Firewall / IPv6 Compatible | VPN / IPv6 Compatible / Firewall / MPLS | VPN / IPv6 Compatible / Firewall / WAN Optimization | VPN / VoIP / IPv6 Compatible / Firewall / MPLS |
| Firewall Features | Yes | Yes | Yes | Yes | Yes |
| Flash Memory | 256 MB | 256 MB | 256 MB | 256 MB | 256 MB |
| Form Factor | Rack-mount | Rack-mount | Rack-mount / Desktop | Rack-mount | Rack-mount |
| Height | N/A | N/A | N/A | 1.73 inches | 1.73 inches |
| High Availability Support | Supported | Supported | Supported | Supported | Supported |
| Integrated Services | Voice / Video / WAN Optimization | Voice / Video / WAN Optimization | Voice / Video / WAN Optimization | Voice / WAN Optimization | Voice / Video / WAN Optimization |
| Interface Ports | RJ-45 / SFP | RJ-45 | RJ-45 / SFP | RJ-45 / SFP | RJ-45 |
| LAN Ports | 4 LAN Ports | 4 LAN Ports | 4 LAN Ports | 4 LAN Ports | 2 LAN Ports |
| Management | Managed | Managed | Managed | Managed | Managed |
| Memory | 256 MB | 512 MB | 512 MB | 512 MB | 256 MB |
| Modular Slots Available | 2 Slots | 3+ Slots | 2 Slots | 3+ Slots | 3+ Slots |
| Network Protocols | IPv4 / IPv6 | IPv4 / IPv6 | IPv4 / IPv6 | IPv4 / IPv6 | IPv4 / IPv6 |
| Power | 350 Watts | 290 W | 350 Watts | 355 W | 81W |
| Power Source | AC Power Supply / Redundant | AC Power Supply | AC Power Supply | AC Power Supply / Redundant | AC Power Supply |
| Product Name | Cisco 2921 Integrated Services Router | CISCO2921-SEC/K9 | Cisco 2901 Integrated Services Router with Enhanced Security and Performance (C2901-VSEC-SRE/K9) | Cisco 2921 Integrated Services Router with WAAS | Cisco 2901/K9 Integrated Services Router |
| Product Type | Enterprise Router | Enterprise Router | Enterprise Router | Enterprise Router | Enterprise Router |
| QoS Features | Supported | Supported | Supported | Supported | Supported |
| Remote Management | CLI / Telnet / SSH / SNMP | CLI / SNMP / Telnet / SSH | SSH / Telnet / SNMP | Telnet / SSH / SNMP | SNMP / SSH / Telnet |
| Routing Protocols | OSPF / BGP / EIGRP / RIP / Static Routing | OSPF / BGP / EIGRP / Static Routing | OSPF / BGP / EIGRP / Static Routing | OSPF / BGP / EIGRP / Static Routing | OSPF / BGP / EIGRP / RIP / Static Routing |
| Safety | N/A | N/A | N/A | N/A | N/A |
| Speed/Capacity | N/A | Gigabit | Gigabit | Gigabit | Fast Ethernet |
| Stacking Capability | No | No | No | No | No |
| Telecom | N/A | N/A | N/A | N/A | N/A |
| Throughput Capacity | 0.075 Gbps | 50 Mbps | 75 Mbps | 1 Gbps | 75 Mbps |
| Use Case | Business / Enterprise | Enterprise / Business | Enterprise | Enterprise | Enterprise |
| VPN Support | IPSec / SSL VPN / DMVPN / FlexVPN | IPSec / SSL VPN / DMVPN / N/A | IPSec / SSL VPN | IPSec / SSL VPN / DMVPN | IPSec / SSL VPN / DMVPN |
| WAN Configuration | Dual WAN | Dual WAN | Dual WAN | Dual WAN | WAN |
| WAN Ports | 2 WAN | 2 WAN | 2 WAN | 2 WAN | 2 WAN |
| Weight | N/A | N/A | N/A | 15.2 lbs | 15 lbs |
| Wi-Fi Standard | N/A | N/A | N/A | N/A | N/A |
| Width | N/A | N/A | N/A | 17.13 inches | 17.5 inches |
| Wireless Support | No | No | No | No | No |
Reviews & Ratings
E
Emma Jenkins
4
Stable and predictable. Simplifies voice and unified communications management while maintaining excellent performance.
L
Lucas Morgan
5
Durable Cisco solution. Handles multiple voice endpoints efficiently with minimal downtime.
M
Mia Foster
3
Easy to configure and maintain. Reliable UC performance across branch offices.
J
James Riley
4
Strong performance and easy management. Supports branch office voice and UC operations reliably.
A
Ava Bennett
5
Efficient and consistent. Maintains seamless voice and unified communications in medium office networks.
Questions & Answers
What is the Cisco 2921 Voice Bundle (SKU: CISCO2921-V/K9)?
The Cisco 2921 Voice Bundle is an integrated router solution combining a Cisco 2921 ISR, PVDM3-32 DSP module and a UC License PAK to deliver converged voice, video and data services.
What components are included in the Cisco 2921 Voice Bundle?
The bundle includes a Cisco 2921 Integrated Services Router, a PVDM3-32 digital signal processor module for up to 32 voice DSP resources, and a UC License PAK for unified communications features.
What is the capacity of the PVDM3-32 module?
The PVDM3-32 module provides 32 DSP channels, supporting up to 32 G.711 calls or a mix of voice and conferencing on the Cisco 2921.
How many simultaneous voice calls can the Cisco 2921 support?
With the PVDM3-32 installed, the Cisco 2921 can handle up to 32 concurrent G.711 voice calls or fewer high-density codec sessions.