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C2811-15UC/K9
2811 w/ PVDM2-32,AIM-CUE,15 CME/CUE/Ph lic,SP Serv,128F/512D
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Overview of C2811-15UC/K9
C2811-15UC/K9 is a Cisco 2811 Integrated Services Router engineered with a modular architecture that delivers robust integrated services including voice, video, and data while supporting secure IPSec VPN capabilities. It offers flexible power options via an AC power supply unit and features dual WAN interfaces alongside multiple LAN ports, ensuring reliable connectivity for branch offices and enterprise environments.
Built to support mission‐critical applications, this router provides dedicated expansion slots for EHWIC modules, advanced built‑in firewall security, and QoS features that sustain optimal performance and redundancy. With a throughput capacity of 15 Mbps, it is ideally suited for enterprise use cases that require dependable routing along with integrated voice and WAN optimization services.
C2811-15UC/K9 price is $3,765.00, a 54.6% saving from the Cisco list price of $8,295.00. C2811-15UC/K9 is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for C2811-15UC/K9 for additional pricing. Browse the full Router Isr 2800 series or explore all Cisco products.
In a national retail chain with 200+ outlets, the Cisco C2811-15UC/K9 router with PVDM2-32 and AIM-CUE modules delivers encrypted site-to-site VPNs for POS data and integrated IP telephony using 15 CME/CUE/Ph licenses. Combined with SP Services and 128F/512D memory, it enforces QoS for voice, centralizes management, and ensures PCI compliance. Outcome: 50% WAN throughput increase, 30% TCO reduction, and unified voice-data services.
A regional healthcare network deploying 50 clinics relies on the Cisco C2811-15UC/K9 with PVDM2-32 DSPs and AIM-CUE for secure telemedicine and patient support. The 15 CME/CUE/Ph licenses enable up to 32 concurrent calls with call recording and auto-attendant. SP Services facilitate remote firmware updates, while 128F/512D flash boosts configuration resilience. Outcome: Enhanced patient engagement, 40% reduction in communication costs, and HIPAA-compliant voice encryption.
A mid-size bank branch implements dual Cisco C2811-15UC/K9 routers with PVDM2-32 and AIM-CUE to deliver uninterrupted voice and data. Utilizing SP Services and 15 CME/CUE/Ph licenses, the design supports hot-standby failover and dynamic QoS for transaction processing and customer calls. The 128F/512D memory ensures rapid recovery. Outcome: 99.99% uptime, seamless call continuity, and optimized operational efficiency.
To get the detailed certification, please go to the Compliance Center.
| C2811-15UC/K9 |  CISCO2851-AC-IP |  CISCO2821-DC |  CISCO2801-SRST/K9 |  C2801-10UC-VSEC/K9 | |
|---|---|---|---|---|---|
| 5G Support | No | No | No | No | No |
| Architecture | Modular | Modular | Fixed | Fixed | Fixed |
| Broadband | N/A | N/A | N/A | N/A | N/A |
| Built-in Security Features | Firewall / Intrusion Prevention / Malware Protection | Firewall / Intrusion Prevention | Firewall | Firewall | Firewall, Intrusion Prevention, VPN |
| Compliance Standards | FCC / CE | FCC, CE | FCC, CE, UL | FCC / CE | IEEE 802.3, IEEE 802.3u |
| Connectivity Type | Wired | Wired | Wired | Wired | Wired |
| Depth | 17.48 in | N/A | N/A | N/A | N/A |
| Device Type | Router | Router | Router | Router | Router |
| EMC | FCC | 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 | EHWIC | EHWIC | EHWIC |
| Features | VPN / VoIP / IPv6 Compatible / Firewall / POE / MPLS | VPN / VoIP / IPv6 Compatible / Firewall / MPLS | VPN / IPv6 Compatible / Firewall | VPN / VoIP / Firewall / IPv6 Compatible / QoS | VPN, Firewall, Voice, IPv6 Compatible |
| Firewall Features | Yes | Yes | Yes | Yes | Yes |
| Flash Memory | 256 MB | 256 MB | 128 MB | 128 MB | 256 MB |
| Form Factor | Rack-mount | Rack-mount | Rack-mount | Desktop | Rack-mount |
| Height | 1.73 in | N/A | N/A | N/A | N/A |
| High Availability Support | Not Supported | Not Supported | Supported | Supported | Not Supported |
| Integrated Services | Voice / Video / WAN Optimization | Voice / Video | Voice / Video | Voice | Voice / Security |
| 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 | 2 LAN Ports |
| Management | Managed | Managed | Managed | Managed | Managed |
| Memory | 256 MB | 512 MB | 512 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, Static Routing | IPv4 / IPv6 | IPv4, IPv6 |
| Power | 250 Watts | 125 W | 55 W | 75W | 45W |
| Power Source | AC Power Supply | AC Power Supply | DC Power Supply | AC Power Supply | AC Power Supply |
| Product Name | Cisco 2811 Integrated Services Router - 15 UC | Cisco 2851-AC-IP Integrated Services Router | Cisco 2821-DC Integrated Services Router | CISCO2801-SRST/K9 | Cisco 2801-10UC-VSEC/K9 |
| Product Type | Enterprise Router | Enterprise Router | Enterprise Router | Enterprise Router | Integrated Services Router |
| QoS Features | Supported | Supported | Supported | Supported | Supported |
| Remote Management | Telnet/SSH/SNMP | CLI, SNMP, SSH | Telnet, SSH, SNMP | CLI / SNMP / Cisco SDM | CLI, SNMP, Telnet, SSH |
| 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 | UL/cUL | N/A | N/A | N/A | N/A |
| Speed/Capacity | Gigabit | N/A | Gigabit | N/A | N/A |
| Stacking Capability | No | No | No | No | No |
| Telecom | N/A | N/A | N/A | N/A | N/A |
| Throughput Capacity | 15 Mbps | 0.075 | 0.075 Gbps | 0.075 Gbps | 25 Mbps |
| Use Case | Enterprise | Enterprise | Enterprise | Small Business / Enterprise | Enterprise / Small Business |
| VPN Support | IPSec | IPSec / DMVPN / N/A | IPSec | IPSec VPN | IPSec / SSL VPN / DMVPN / N/A |
| WAN Configuration | Dual WAN | Dual WAN | Dual WAN | Dual WAN | Dual WAN |
| WAN Ports | 2 WAN | 2 WAN | 2 WAN | 2 WAN | 2 WAN |
| Weight | 15.93 lbs | N/A | N/A | N/A | N/A |
| Wi-Fi Standard | N/A | N/A | N/A | N/A | N/A |
| Width | 19.69 in | N/A | N/A | N/A | N/A |
| Wireless Support | No | No | No | No | No |
Cisco 2811 15UC delivers reliable UC performance with 15 CME/CUE licenses. PVDM2-32 ensures stable voice communications for small branch offices.
Durable and predictable. Handles multiple endpoints efficiently while maintaining smooth voice and UC operations.
Easy to deploy and manage. Provides consistent UC and voice performance with minimal downtime.
High-performing and robust. Ideal for small branches requiring reliable voice and unified communications.
Reliable Cisco solution. Ensures predictable UC operations and secure voice communications across endpoints.
The Cisco C2811-15UC/K9 is an Integrated Services Router featuring a PVDM2-32 DSP module, AIM-CUE voice integration, 15 CME/CUE/phone licenses, Service Provider feature set, 128 MB flash, and 512 MB DRAM.
The PVDM2-32 provides 32 digital signal processor channels for conferencing, transcoding, and echo cancellation, enabling high-quality voice processing on the 2811 router.
The Advanced Integration Module for Cisco Unified Communications Express (AIM-CUE) delivers embedded voicemail, auto attendant, unified messaging, and call handling directly on the router.
They include 15 Cisco Unified Communications Manager Express (CME) endpoint registrations, Cisco Unity Express (CUE) voicemail ports, and basic IP phone functionality licenses.
The SP Serv license enables advanced routing, MPLS, multicast, quality of service (QoS), and enhanced security features optimized for service provider deployments.
The C2811-15UC/K9 comes with 512 MB of DRAM and 128 MB of onboard flash, with an additional CompactFlash slot for expandable storage.
Depending on enabled services, the Cisco 2811 supports up to 50 Mbps of aggregate throughput for secure data and voice traffic.
Yes, you can expand DRAM up to 1 GB and upgrade storage via the integrated CompactFlash slot for increased performance and capacity.
The router supports Cisco Network Modules (NM), High-Speed WAN Interface Cards (HWIC), Voice/WAN Interface Cards (VWIC), and Enhanced HWICs for versatile WAN and LAN connectivity.
Use the router CLI and the ‘license install <license_file>’ command via Cisco License Manager, then verify with ‘show license status’ to enable CME and CUE features.
It operates on 100–240 VAC at 50/60 Hz with an internal power supply, consuming approximately 30–60 W depending on installed modules.
Operating temperature ranges from 0 °C to 40 °C, storage from ‑20 °C to 70 °C, with 5%–85% non-condensing humidity for reliable performance.
Yes, it supports IPsec and SSL VPN, integrated firewall, intrusion prevention, and advanced routing security features to protect network traffic.
Cisco provides a one-year limited hardware warranty, with optional SMARTnet service for 24×7 technical support, software updates, and expedited hardware replacement.
The router measures 3.5 in H x 13.5 in W x 12.2 in D (8.9 x 34.3 x 31 cm) and weighs approximately 8.1 lb (3.7 kg).
The PVDM2-32 is a packet voice digital signal processor module offering 32 voice channels for conferencing, transcoding, and media processing to ensure optimal voice quality.