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C1861W-UC-2BRI-K9
1861, WLAN,8-user CME,CUE,Ph. Lic,4FXS,2BRI,8xPOE,HWIC slot
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C1861W-UC-2BRI-K9 is a fixed, enterprise-class router designed for unified communications, offering a robust architecture that combines integrated voice services with secure data and VPN connectivity. Built for branch office environments, it features diverse power options with an AC power supply, dual BRI interfaces for telephony integration, and a set of FastEthernet WAN and LAN ports that ensure reliable connectivity and performance.
Optimized for small and medium-sized businesses, the device delivers up to 25 Mbps throughput and comes equipped with built-in IPSec VPN capabilities, firewall features, and QoS support to manage critical traffic. Although its design is fixed with no modular expansion slots or stacking capability, its integrated services—especially voice—and redundancy in design make it ideal for secure, high-performance remote office deployments.
C1861W-UC-2BRI-K9 price is is available on request. Get immediate quote.
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A regional legal firm deploys the C1861W-UC-2BRI-K9-1861 router to host Cisco Unified Communications Manager Express (CME) for up to 8 attorneys while offering secure guest and corporate WLAN. With 8x PoE ports powering IP phones, 4 FXS ports for analog fax integration and 2 BRI ports for PSTN failover, the all-in-one platform accelerates branch roll-outs and simplifies network operations. Outcome: 40% lower CapEx, accelerated deployment in under 48 hours, and SLA-grade voice quality with integrated QoS and centralized management.
A boutique retail chain implements the C1861W-UC-2BRI-K9-1861 as a multi-site voice gateway and call-queueing solution using Cisco Unity Express (CUE) to manage customer inquiries at up to 8 service agents. Eight PoE ports power IP handsets and wireless scanners, while 2 BRI ports ensure PSTN redundancy and 4 FXS ports support legacy fax and alarm lines. Outcome: 25% faster customer response times, seamless failover on BRI circuits, and consolidated hardware footprint reducing rack space by 60%.
An architecture consultancy leverages the C1861W-UC-2BRI-K9-1861 to unify its wireless-first BYOD policy with enterprise-grade VoIP and analog fax support. The integrated 802.11n AP and 8-user CME deliver secure WLAN SSIDs for staff and guests, while 8x PoE ports power IP handsets, tablets and IoT sensors. Outcome: Improved employee mobility, seamless analog/digital voice convergence, and a 30% reduction in operational overhead through a single-pane-of-glass management interface.
To get the detailed certification, please go to the Compliance Center.
 C1861W-UC-2BRI-K9 |  C1861-UC-4FXO-K9 |  CISCO1803W-AG-B/K9 |  C1861-SRST-B/K9 |  CISCO1803/K9 | |
|---|---|---|---|---|---|
| 5G Support | No | No | No | No | No |
| Architecture | Fixed | Fixed | 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 / Intrusion Prevention / Malware Protection | Firewall / Intrusion Prevention / Malware Protection |
| Compliance Standards | FCC / CE | FCC, CE | IEEE 802.11b/g | IEEE 802.3 / IEEE 802.3u / FCC / CE | FCC / CE |
| Connectivity Type | Wired / Wireless | Wired | Wired / Wireless / Ethernet | Wired | Wired |
| Depth | N/A | N/A | 10 inches | 12 inches | N/A |
| Device Type | Router | Router | Router | Router | Router |
| EMC | N/A | FCC, CE | N/A | FCC / CE | N/A |
| Ethernet Technology | 10/100 | 10/100 | 10/100 | 10/100 | 10/100 |
| Expansion Slots | N/A | EHWIC | NIM | EHWIC | EHWIC |
| Features | VPN / VoIP / Firewall / IPv6 Compatible | VPN / VoIP / Firewall / IPv6 Compatible | VPN, Firewall, Integrated Services, IPv6 Compatible | VPN / Voice / NAT / Firewall | VPN / IPv6 Compatible / Firewall / Voice |
| Firewall Features | Yes | Yes | Yes | Yes | Yes |
| Flash Memory | 128 MB | 128 MB | 128 MB | 256 MB | 128 MB |
| Form Factor | Desktop | Rack-mount | Desktop | Desktop | Rack-mount |
| Height | N/A | N/A | 1.5 inches | 1.72 inches | 1.75 inches |
| High Availability Support | Not Supported | Supported | Not Supported | Not Supported | Not Supported |
| Integrated Services | Voice | Voice | Voice, Data | 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 | Modular LAN | 4 LAN Ports |
| Management | Managed | Managed | Managed | Managed | Managed |
| Memory | 256 MB | 256 MB | 256 MB | 512 MB | 256 MB |
| Modular Slots Available | N/A | 1 Slot | 1 Slot | 2 Slots | 2 Slots |
| Network Protocols | TCP/IP, UDP, ICMP, IGMP | IP | IP, IPX, PPP, Frame Relay | IPv4 / IPv6 / MPLS / VPN | TCP/IP / IPX |
| Power | 65 Watts | 60 Watt | 50 W | 45 Watt | 65 Watts |
| Power Source | AC Power Supply | AC Power Supply | AC Power Supply | AC Power Supply | AC Power Supply |
| Product Name | Cisco 1861W Integrated Services Router for Unified Communications | Cisco 1861 Unified Communications Integrated Services Router (C1861-UC-4FXO-K9) | CISCO1803W-AG-B/K9 Integrated Services Router | Cisco 1861 Integrated Services Router with SRST | Cisco 1803/K9 Integrated Services Router |
| Product Type | Enterprise Router | Integrated Services Router | Enterprise Router | Enterprise Router | Enterprise Router |
| QoS Features | Supported | Supported | Supported | Supported | Supported |
| Remote Management | CLI, SNMP, HTTP/HTTPS | Telnet, SSH, SNMP | Telnet, SSH, SNMP | Telnet / SSH / SNMP | CLI / SNMP |
| Routing Protocols | OSPF / BGP / EIGRP / RIP / Static Routing | OSPF / EIGRP / RIP / Static Routing | OSPF / EIGRP / RIP / BGP / Static Routing | OSPF / EIGRP / RIP / BGP / Static Routing | OSPF / BGP / EIGRP / RIP / Static Routing |
| Safety | N/A | UL, cUL | N/A | UL / CE / RoHS | N/A |
| Speed/Capacity | N/A | N/A | Fast Ethernet | Gigabit | Fast Ethernet |
| Stacking Capability | No | No | No | No | No |
| Telecom | N/A | FCC Part 68 | N/A | N/A | N/A |
| Throughput Capacity | 0.025 Gbps | 0.025 Gbps | 20 Mbps | 0.035 Gbps | 25 Mbps |
| Use Case | Business | Business | Small Business / Branch Office | Enterprise / Small Business | Small Business / Enterprise |
| VPN Support | IPSec | IPSec / SSL VPN | IPSec / SSL VPN / N/A | IPSec / SSL VPN | IPSec / GRE / DMVPN |
| WAN Configuration | WAN | WAN | Dual WAN | WAN | Dual WAN |
| WAN Ports | 1 WAN | 2 WAN | 2 WAN | 2 WAN | 2 WAN |
| Weight | N/A | N/A | 11 lbs | 9.5 lbs | 6.6 lbs |
| Wi-Fi Standard | WiFi 3 | N/A | WiFi 2 | N/A | N/A |
| Width | N/A | N/A | 17.5 inches | 17 inches | 17 inches |
| Wireless Support | Yes | No | Yes | No | No |
Cisco 1861W-UC-2BRI offers WLAN, 8-user CME, and dual BRI support. Reliable voice and data performance for small offices.
Stable wireless and routing performance. Handles POE and unified communications efficiently.
Easy setup and management. Ensures uninterrupted voice and data operations.
Dependable Cisco router with consistent uptime. Ideal for branch office deployments.
Strong routing and voice support. Maintains stable connectivity for office users.
The Cisco 1861W-UC-2BRI-K9 is an integrated branch router featuring 8-user Cisco Unified Communications Manager Express, Cisco Unity Express voicemail licensing, 4 FXS analog ports, 2 BRI ports, IEEE 802.11 a/b/g/n WLAN, eight PoE ports, and an HWIC expansion slot.
It includes Cisco Unified Communications Manager Express for up to 8 IP users and Cisco Unity Express for voicemail and auto attendant with a pooled voice license, delivering integrated call processing and messaging.
This router provides eight 10/100 Fast Ethernet ports with up to 15.4 W per port, supporting PoE for IP phones, wireless access points, and other PoE-enabled devices.
It has four FXS analog voice ports for analog endpoints and two ISDN BRI S/T ports for digital voice or data services.