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Patrick O'Brien
5
Solid voice bundle for small offices. Call quality has been clear.
CISCO2801-V/K9
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2801 Voice Bundle,PVDM2-8,SP Serv,128F/384D
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CISCO2801-V/K9
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- 2801 Voice Bundle,PVDM2-8,SP Serv,128F/384D
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CISCO2801-V/K9 Overview
CISCO2801-V/K9 is a modular integrated services router engineered for secure, high-performance connectivity in enterprise and branch office environments. It features a robust architecture with dual Ethernet interfaces and dedicated expansion slots, supporting both voice and data applications while delivering versatile power options and multiple WAN interface configurations.
Designed to meet demanding network requirements, the router offers integrated VPN capabilities, built‑in firewall security, and high throughput performance with redundant features for reliable operation. Its modular design and flexible interface options make it ideal for applications ranging from remote office connectivity to enterprise-level integrated services deployments.
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CISCO2801-V/K9 Specifications
- Product Type
- Integrated Services Router
- VPN Support
- IPSec / SSL VPN / DMVPN
- Power Source
- AC Power Supply
- Routing Protocols
- OSPF / BGP / EIGRP / RIP / Static Routing
- Broadband
- N/A
- Architecture
- Modular
- WAN Configuration
- Dual WAN
- WAN Ports
- Modular WAN
- LAN Ports
- 2 LAN Ports
- Ethernet Technology
- 10/100
- Wi-Fi Standard
- N/A
- Connectivity Type
- Wired
- Network Protocols
- IPv4 / IPv6
- Remote Management
- CLI / SNMP / Telnet / SSH
- Compliance Standards
- FCC / CE
- Wireless Support
- No
- Speed/Capacity
- N/A
- Firewall Features
- Yes
- Features
- VPN / IPv6 Compatible / Firewall
- Use Case
- Enterprise
- Management
- Managed
- Form Factor
- Rack-mount
- Integrated Services
- Voice / Video
- High Availability Support
- Supported
- Safety
- N/A
- EMC
- N/A
- Telecom
- N/A
- Throughput Capacity
- 0.02 Gbps
- QoS Features
- Supported
- Built-in Security Features
- Firewall / Intrusion Prevention
- Expansion Slots
- EHWIC
- Modular Slots Available
- 2 Slots
- Stacking Capability
- No
- 5G Support
- No
- Memory
- 256 MB
- Flash Memory
- 128 MB
- Interface Ports
- RJ-45
- Power
- 80 W
- Device Type
- Router
- Product Name
- Cisco 2801 Integrated Services Router
- Height
- N/A
- Width
- N/A
- Depth
- N/A
- Weight
- N/A
CISCO2801-V/K9 Use Case
Branch Office VoIP Modernization with CISCO2801-V/K9-2801 Voice Bundle, PVDM2-8
Scenario: A multi‐site enterprise deploys the CISCO2801-V/K9-2801 Voice Bundle, PVDM2-8, SP Serv, 128F/384D in its branch offices to replace legacy PBX systems with full SIP and PRI VoIP connectivity. Integrated DSP resources on PVDM2-8 modules handle up to 8 simultaneous transcoded calls, enabling seamless migration to IP telephony while preserving call quality. Benefit: Delivers low-latency voice, lowers operational costs by up to 40%, and accelerates deployment of unified communications services across 50+ remote sites.
Secure Remote Site Voice and Data Convergence on CISCO2801-V/K9-2801
Scenario: A financial services firm uses the CISCO2801-V/K9-2801 Voice Bundle, PVDM2-8, SP Serv, 128F/384D as a dual‐service router at off-premises trading desks. The platform aggregates encrypted voice channels over IPsec VPN alongside encrypted data traffic on a single WAN link. Leveraging 128 FXS/384 DXI port density, it supports analog fax, VoIP softphones, and real-time market data feeds. Benefit: Ensures end-to-end security and QoS for critical voice and data streams, reduces hardware footprint by 60%, and maintains compliance with financial regulations.
Service Provider SIP Trunk Aggregation with Cisco 2801 Voice Bundle
Scenario: A regional service provider deploys multiple CISCO2801-V/K9-2801 Voice Bundle, PVDM2-8, SP Serv, 128F/384D units in a POP architecture to aggregate small business customer SIP trunks. Each router handles up to 384 simultaneous dial peers and dynamically allocates PVDM2-8 DSP time slots for transcoding, compression, and fax over IP. Benefit: Maximizes revenue per access node through high-density SIP trunking, simplifies customer provisioning, and delivers carrier-grade reliability with 99.999% uptime.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table 
| CISCO2801-V/K9 |  C2811-VSEC-CCME/K9 |  CISCO2811-16TS |  CISCO2821-CCME/K9 |  CISCO2821-SRST/K9 | |
|---|---|---|---|---|---|
| 5G Support | No | No | No | No | No |
| Architecture | Modular | Modular | Modular | Fixed | Fixed |
| Broadband | N/A | N/A | N/A | N/A | N/A |
| Built-in Security Features | Firewall / Intrusion Prevention | Firewall / Intrusion Prevention / Malware Protection | Firewall, Intrusion Prevention | Firewall / Intrusion Prevention | Firewall / Intrusion Prevention |
| Compliance Standards | FCC / CE | FCC, CE | FCC, CE | IEEE 802.3 / IEEE 802.1D | FCC, CE, RoHS |
| Connectivity Type | Wired | Wired | Wired | Wired | Wired |
| Depth | N/A | 14.1 inches | N/A | N/A | 15.5 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 | 10/100 | 10/100 | 10/100 |
| Expansion Slots | EHWIC | EHWIC | NIM | NIM | EHWIC |
| Features | VPN / IPv6 Compatible / Firewall | VPN / IPv6 Compatible / Firewall / Voice | VPN, IPv6 Compatible, Firewall | VPN / Voice / IPv6 Compatible / Firewall | VPN / Voice / NAT / ACL / QoS |
| Firewall Features | Yes | Yes | Yes | Yes | Yes |
| Flash Memory | 128 MB | 128 MB | 256 MB | 128 MB | 256 MB |
| Form Factor | Rack-mount | Chassis | Rack-mount | Rack-mount / Desktop | Desktop |
| Height | N/A | 4.5 inches | N/A | N/A | 1.8 inches |
| High Availability Support | Supported | Supported | Supported | Not Supported | Supported |
| Integrated Services | Voice / Video | Voice / Video / WAN Optimization | Voice, Video | Voice / Data | Voice / Security / Data |
| Interface Ports | RJ-45 | RJ-45 | RJ-45 | RJ-45 | RJ-45 |
| LAN Ports | 2 LAN Ports | Modular LAN | 16 LAN Ports | 2 LAN Ports | 2 LAN Ports |
| Management | Managed | Managed | Managed | Managed | Managed |
| Memory | 256 MB | 256 MB | 256 MB | 256 MB | 256 MB |
| Modular Slots Available | 2 Slots | 2 Slots | 2 Slots | 2 Slots | 2 Slots |
| Network Protocols | IPv4 / IPv6 | IP, TCP, UDP, ICMP | TCP/IP, IPX, AppleTalk | IP / Frame Relay / PPP / HDLC | IP, IGRP, OSPF, EIGRP, RIP, BGP |
| Power | 80 W | 65 Watt | 350 W | 65 Watt | 72W |
| Power Source | AC Power Supply | AC Power Supply / Redundant | AC Power Supply / Redundant | AC Power Supply | AC Power Supply |
| Product Name | Cisco 2801 Integrated Services Router | Cisco C2811-VSEC-CCME/K9 Integrated Services Router | Cisco 2811 Integrated Services Router (16TS) | Cisco 2821 Integrated Services Router | CISCO2821-SRST/K9 |
| Product Type | Integrated Services Router | Enterprise Router | Enterprise Router | Enterprise Router | Enterprise Router |
| QoS Features | Supported | Supported | Supported | Supported | Supported |
| Remote Management | CLI / SNMP / Telnet / SSH | Telnet, SSH, SNMP | Telnet, SSH, SNMP | CLI / SNMP | Telnet, SSH, SNMP, HTTP, HTTPS |
| Routing Protocols | OSPF / BGP / EIGRP / RIP / Static Routing | OSPF / BGP / EIGRP / RIP / Static Routing | OSPF / BGP / EIGRP / RIP / Static Routing | OSPF / BGP / EIGRP / RIP / Static Routing | OSPF / EIGRP / RIP / BGP / Static Routing |
| Safety | N/A | N/A | N/A | 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 | 0.02 Gbps | N/A | 0.075 Gbps | 0.075 Gbps | 0.025 Gbps |
| Use Case | Enterprise | Enterprise | Enterprise | Enterprise | Enterprise / Small Business |
| VPN Support | IPSec / SSL VPN / DMVPN | IPSec / SSL VPN | IPSec / SSL VPN | IPSec VPN | IPSec |
| WAN Configuration | Dual WAN | WAN | Dual WAN | Dual WAN | Dual WAN |
| WAN Ports | Modular WAN | Modular WAN | 2 WAN | 2 WAN | 2 WAN |
| Weight | N/A | 15 lbs | N/A | 7.5 lbs | 10 lbs |
| Wi-Fi Standard | N/A | N/A | N/A | N/A | N/A |
| Width | N/A | 17.2 inches | N/A | N/A | 17.7 inches |
| Wireless Support | No | No | No | No | No |
Reviews & Ratings
N
Neil Robertson
5
Reliable voice performance with minimal maintenance required.
G
Graham Lewis
4
A practical solution for branch voice needs. Easy to deploy.
I
Ian McCarthy
5
Cisco voice reliability in a compact form factor.
C
Colin Matthews
5
Meets expectations for basic enterprise voice deployments.
Questions & Answers
What is included in the Cisco 2801 Voice Bundle (CISCO2801-V/K9)?
The Cisco 2801 Voice Bundle includes a Cisco 2801 Integrated Services Router, a PVDM2-8 DSP module for voice processing, Service Provider License, and 128F/384D performance license for data throughput.
What does the PVDM2-8 module do in the Cisco 2801 Voice Bundle?
The PVDM2-8 module provides DSP resources for up to eight voice or video calls, enabling transcoding, conferencing, and fax over IP functions.
How many concurrent VoIP calls can the Cisco 2801 handle?
With the PVDM2-8 installed, the Cisco 2801 supports up to eight simultaneous G.711 calls or a mix of codecs optimized by DSP resources.
What is the Service Provider License in this bundle?
The Service Provider License (SP Serv) unlocks full routing features designed for carrier-grade deployments, including advanced QoS, multicast, and MPLS support.
What are the data throughput capabilities of the 128F/384D license?
The 128F/384D license authorizes 128 Kbps of upstream and 384 Kbps of downstream data throughput for WAN or dial-in applications.
Which WAN interfaces does the Cisco 2801 support?
The Cisco 2801 supports one 10/100 Ethernet WAN interface, one integrated serial port, and two onboard 10/100 LAN ports, plus optional HWIC modules.
Is the PVDM2-8 module upgradeable in the Cisco 2801?
Yes, the PVDM2-8 can be upgraded to higher-density PVDM2 modules (such as PVDM2-16) to increase concurrent call capacity.
What PoE options are available for the Cisco 2801?
The Cisco 2801 does not support Power over Ethernet natively; PoE can be provided via an external midspan injector or PoE switch.
How do I configure voice services on the Cisco 2801?
Use Cisco IOS CLI commands under the ‘voice service voip’ context, define dial peers, configure DSP resources, and apply QoS policies per best practices.
What power requirements does the Cisco 2801 have?
The Cisco 2801 operates on 100–240 VAC, 50–60 Hz, drawing approximately 60 W under full load; it includes an internal universal power supply.
What are the physical dimensions and weight of the Cisco 2801?
The Cisco 2801 measures 17.3 × 13.7 × 1.75 inches (W×D×H) and weighs approximately 5.5 pounds (2.5 kg).
Which Cisco IOS versions support the 2801 Voice Bundle?
The bundle is supported on Cisco IOS Software version 12.4 or later with the Universal image that includes both data and voice feature sets.
Can the Cisco 2801 connect directly to PSTN lines?
Yes, by installing an additional voice HWIC module (FXO/FXS) you can connect analog PSTN lines or analog endpoints directly.
What warranty and support options are available?
Cisco offers a one-year limited hardware warranty and various SMARTnet support contracts for expedited hardware replacement and software updates.
How is the Cisco 2801 Voice Bundle priced and ordered?
Order the SKU CISCO2801-V/K9 through authorized Cisco partners; pricing varies by region and support level—consult your reseller for a quote.
What environmental specifications apply to the Cisco 2801?
Operating temperature is 0–40 °C, storage temperature –20–70 °C, with relative humidity of 10–90% non-condensing per Cisco standards.