C2811-15UC/K9

The Cisco C2811-15UC/K9 is an enterprise-grade router designed for converged data and IP telephony at branch and SMB sites. With 2 integrated 10/100 Fast Ethernet ports, 512 MB RAM, and 128 MB flash memory, it delivers reliable routing and unified communications services across diverse regional networks. The PVDM2-32 voice DSP module and AIM-CUE applications module enable rich CME/CUE features, while included 15 CME/CUE/Ph licenses simplify UC deployment for distributors, integrators, and end users.

Product Features Comparison

Model	C2811-15UC/K9, Cisco 2800 Router, PVDM2-32/AIM-CUE/15 CME/CUE/Ph lic	C2811-3G-S-SEC/K9, Cisco 2811 Router, 128MB Flash/512MB DRAM/3G HWIC	C2811-VSEC/K9, Cisco 2811 Voice Security Bundle Router, PVDM2-16/128MB Flash/512MB DRAM	CISCO1921/K9, Cisco ISR 1900 Router, 2 GE, 2 EHWIC, 512MB DRAM
Brand	Cisco	Cisco	Cisco	Cisco
Routing Throughput	n/a	n/a	n/a	n/a
Interface Configuration	Interfaces: 2 integrated 10/100 Fast Ethernet ports; WAN Ports: 2 ports (duplex)	Interfaces: 2 Gigabit Ethernet	n/a	RJ-45 onboard LAN/WAN 10/100/1000 ports: 2
Supported Protocol	n/a	Routing Protocols: RIP, EIGRP, BGP, OSPF	Network / Transport Protocol: IPSec	n/a
VPN Capability	n/a	VPN Support: IPsec, SSL	Features: Cisco IOS Advanced IP services, firewall protection, MPLS support, VLAN support, URL filtering	Embedded hardware-based cryptography acceleration (IPsec + SSL): Yes
Integrated Features	Voice DSP Module: PVDM2-32; Applications Module: AIM-CUE; Licenses Included: 15 CME/CUE/Ph licenses; Service Pack: SP Services; Expansion Slot: 1 AIM slot; Power Supply: Integrated; Console Ports: 2 ports (1 Console/AUX, 1 configurable); USB Ports: 1 USB 1.1 port; Rack Mountable: Yes	Integrated Services Router: Cisco 2811; HWIC: HWIC-3G-CDMA-S; Security Features: Advanced Security; Firewall Protection: Yes; Voice Support: Yes; Redundant Power Support: Yes; QoS (Quality of Service): Yes	Product Description: Cisco 2811 Voice Security Bundle - router; Digital Ports Quantity: 16; Features: Cisco IOS Advanced IP services, firewall protection, MPLS support, VLAN support, URL filtering; Security and Services Overview: Cisco router security bundle with Cisco IOS Software-based IPS, firewall, URL filtering, VPN, and infrastructure security over multiple WAN access technologies	Embedded hardware-based cryptography acceleration (IPsec + SSL): Yes; EHWIC slots: 2; Cisco Integrated Services Module (ISM) slots: 0; USB flash memory (internal) default/maximum: 256 MB / 256 MB; External USB flash-memory slots (Type A): 1; USB console port (mini-Type B): 1; Serial console port: 1; Serial auxiliary port: 1; Integrated power supply: AC and DC power-supply models