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Sophia Hughes
5
Cisco 1861-UC-2BRI is excellent for small offices. Supports 8 users, SRST, CME, and dual BRI lines reliably.
C1861-UC-2BRI-K9
1861, 8-user CME,CUE,Ph. Lic,4FXS,2BRI,8xPOE,HWIC slot
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C1861-UC-2BRI-K9
- Description:
- 1861, 8-user CME,CUE,Ph. Lic,4FXS,2BRI,8xPOE,HWIC slot
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- Brand:
- Cisco
- GTIN:
- 100416398545
- Condition:
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C1861-UC-2BRI-K9 Overview
C1861-UC-2BRI-K9 is a fixed, integrated services router designed for branch offices needing reliable voice, data, and secure VPN connectivity. It features a robust architecture with dual configurable 10/100 Ethernet ports that can operate as WAN interfaces paired with two integrated BRI ports for voice and data, ensuring versatile network connectivity. The router offers flexible power options via an external AC power adapter and provides built‐in firewall capabilities with VPN support covering IPSec and SSL, enabling secure remote access and unified communications.
Engineered for performance and redundancy, the C1861-UC-2BRI-K9 delivers dependable throughput for small business use cases while streamlining integrated services such as voice and WAN optimization. Although its fixed, desktop form factor does not support modular slot expansion or stacking, its comprehensive remote management (via Telnet, SSH, and SNMP), compliance with FCC/CE standards, and optimized routing protocols (OSPF, EIGRP, RIP, and static routing) make it an ideal solution for businesses seeking cost-effective and secure branch connectivity.
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C1861-UC-2BRI-K9 Specifications
- Product Type
- Enterprise Router
- VPN Support
- IPSec / SSL VPN
- Power Source
- AC Power Supply
- Routing Protocols
- OSPF / EIGRP / RIP / Static Routing
- Broadband
- N/A
- Architecture
- Fixed
- WAN Configuration
- Dual WAN
- WAN Ports
- 2 WAN
- LAN Ports
- N/A
- Ethernet Technology
- 10/100
- Wi-Fi Standard
- N/A
- Connectivity Type
- Wired
- Network Protocols
- IPv4, IPv6
- Remote Management
- Telnet, SSH, SNMP
- Compliance Standards
- FCC, CE
- Wireless Support
- No
- Speed/Capacity
- 10/100
- Firewall Features
- Yes
- Features
- VPN, Firewall, Unified Communications
- Use Case
- Business
- Management
- Managed
- Form Factor
- Desktop
- Integrated Services
- Voice, WAN Optimization
- High Availability Support
- Not Supported
- Safety
- N/A
- EMC
- N/A
- Telecom
- N/A
- Throughput Capacity
- 0.03 Gbps
- QoS Features
- Supported
- Built-in Security Features
- Firewall, Intrusion Prevention, Malware Protection
- Expansion Slots
- N/A
- Modular Slots Available
- N/A
- Stacking Capability
- No
- 5G Support
- No
- Memory
- 256 MB
- Flash Memory
- 128 MB
- Interface Ports
- RJ-45
- Power
- 65 W
- Device Type
- Router
- Product Name
- Cisco 1861 Integrated Services Router UC-2BRI-K9
- Height
- N/A
- Width
- N/A
- Depth
- N/A
- Weight
- N/A
C1861-UC-2BRI-K9 Use Case
SMB Branch Voice-Data-PoE Convergence with Cisco 1861 UC
A small retail branch deploys the Cisco 1861-UC-2BRI-K9 to consolidate eight IP phones (CME), four analog FXS devices and eight PoE-powered Wi-Fi APs on one platform. Outcome: unified voice/data infrastructure reduces rack space by 50%, cuts CAPEX/OPEX and delivers carrier-grade QoS for real-time voice and wireless.
Enterprise Remote-Site Resilient Voice & Voicemail via DMVPN
An international enterprise site uses the C1861 router’s 2 BRI ports to backhaul calls over DMVPN, runs Cisco Unity Express for local voicemail/auto-attendant, and handles up to eight users on CME. Outcome: high-availability voice services with local survivability, WAN bandwidth savings and centralized management.
Pop-Up Office & Event Communications with Hybrid Phone Support
A project team establishes a temporary office requiring IP telephony, analog fax lines and PoE CCTV. The 1861-UC-2BRI-K9 delivers four FXS fax ports, eight PoE ports for IP cameras/phones and an HWIC slot for future 4G. Outcome: rapid turn-up of mixed voice/fax/video services, scalable port licensing and seamless teardown.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table
 C1861-UC-2BRI-K9 |  C1861-SRST-F/K9 |  CISCO1841-ADSL2-M |  C1841-3G-S |  CISCO1811W-AG-B/K9 | |
|---|---|---|---|---|---|
| 5G Support | No | No | No | No | No |
| Architecture | Fixed | Fixed | Fixed | Fixed | Fixed |
| Broadband | N/A | N/A | DSL | N/A | DSL |
| Built-in Security Features | Firewall, Intrusion Prevention, Malware Protection | Firewall / Intrusion Prevention / Malware Protection | Firewall / Intrusion Prevention | Firewall / Intrusion Prevention | Firewall / Intrusion Prevention / Malware Protection |
| Compliance Standards | FCC, CE | IEEE 802.3, IEEE 802.3u | FCC, CE | FCC / CE / UL | FCC / CE |
| Connectivity Type | Wired | Wired | Wired | Wired | Wired / Wireless / Ethernet |
| Depth | N/A | N/A | N/A | N/A | 14.1 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 | N/A | N/A | EHWIC | EHWIC | N/A |
| Features | VPN, Firewall, Unified Communications | VPN / VoIP / IPv6 Compatible / Firewall | VPN / VoIP / IPv6 Compatible / Firewall | VPN / VoIP / IPv6 Compatible / Firewall | VPN / Firewall / NAT / QoS / IPv6 Compatible |
| Firewall Features | Yes | Yes | Yes | Yes | Yes |
| Flash Memory | 128 MB | 128 MB | 256 MB | 256 MB | 32 MB |
| Form Factor | Desktop | Rack-mount | Desktop | Desktop | Desktop / Rack-mount |
| Height | N/A | N/A | N/A | N/A | 1.7 inches |
| High Availability Support | Not Supported | Supported | Not Supported | Not Supported | Supported |
| Integrated Services | Voice, WAN Optimization | Voice / Video | Voice | Voice / Video / WAN Optimization | Voice / Video |
| Interface Ports | RJ-45 | RJ-45 | RJ-45 | RJ-45 | RJ-45 |
| LAN Ports | N/A | 4 LAN Ports | 2 LAN Ports | N/A | 4 LAN Ports |
| Management | Managed | Managed | Managed | Managed | Managed |
| Memory | 256 MB | 256 MB | 128 MB | 128 MB | 128 MB |
| Modular Slots Available | N/A | N/A | 2 Slots | 2 Slots | N/A |
| Network Protocols | IPv4, IPv6 | TCP/IP, UDP, ICMP | IP, IPX, AppleTalk | IPv4 / IPv6 | IPv4 |
| Power | 65 W | 65W | 65 W | 65W | 65 W |
| Power Source | AC Power Supply | AC Power Supply | AC Power Supply | AC Power Supply | AC Power Supply |
| Product Name | Cisco 1861 Integrated Services Router UC-2BRI-K9 | Cisco C1861-SRST-F/K9 | CISCO1841-ADSL2-M | Cisco C1841-3G-S Integrated Services Router | CISCO1811W-AG-B/K9 Wireless Gateway Router |
| Product Type | Enterprise Router | Enterprise Router | Enterprise Router | Enterprise Router | Enterprise Router |
| QoS Features | Supported | Supported | Supported | Supported | Supported |
| Remote Management | Telnet, SSH, SNMP | SSH, Telnet, SNMP | Telnet, SSH, SNMP | Telnet / SSH / SNMP | SSH / Telnet / SNMP |
| Routing Protocols | OSPF / EIGRP / RIP / Static Routing | OSPF / BGP / EIGRP / RIP / Static Routing | OSPF / EIGRP / RIP / Static Routing | OSPF / BGP / EIGRP / RIP / Static Routing | OSPF / BGP / EIGRP / Static Routing |
| Safety | N/A | N/A | N/A | N/A | N/A |
| Speed/Capacity | 10/100 | N/A | N/A | N/A | Fast Ethernet |
| Stacking Capability | No | No | No | No | No |
| Telecom | N/A | N/A | N/A | N/A | N/A |
| Throughput Capacity | 0.03 Gbps | 0.05 Gbps | 0.075 Gbps | 0.025 Gbps | 0.15 Gbps |
| Use Case | Business | Enterprise | Small Business / Enterprise | Enterprise | Enterprise |
| VPN Support | IPSec / SSL VPN | IPSec / SSL VPN | IPSec | IPSec | IPSec / SSL VPN |
| WAN Configuration | Dual WAN | Dual WAN | WAN | WAN | Dual WAN |
| WAN Ports | 2 WAN | 2 WAN | 1 WAN | 1 WAN | 2 WAN |
| Weight | N/A | N/A | N/A | N/A | 10 lbs |
| Wi-Fi Standard | N/A | N/A | N/A | N/A | WiFi 3 |
| Width | N/A | N/A | N/A | N/A | 17.7 inches |
| Wireless Support | No | No | No | No | Yes |
Reviews & Ratings
E
Ethan Parker
4
Stable voice and data performance. Handles POE, FXS, and BRI connections efficiently.
I
Isabella Reed
5
Reliable branch office router. Ensures consistent communications and minimal downtime.
M
Mason Gray
3
Easy deployment and management. Maintains smooth voice and data operations.
A
Ava Coleman
4
Trusted Cisco build quality. Ideal for offices needing unified communication and secure connections.
Questions & Answers
What is the Cisco C1861-UC-2BRI-K9 router?
The Cisco C1861-UC-2BRI-K9 is an integrated services router with an 8-user CME/CUE voice license, 4 FXS ports, 2 BRI ports, 8 PoE-enabled Ethernet ports, and one HWIC slot.
Which voice licenses come with the C1861-UC-2BRI-K9?
The router includes an 8-user Cisco Unified Communications Manager Express (CME) license and a Cisco Unity Express (CUE) voice messaging license.
How many FXS and BRI ports are available?
It provides four FXS ports for analog phones and two BRI ports for ISDN connectivity, enabling flexible voice integration.
What PoE capability does this model offer?
This model delivers eight IEEE 802.3af PoE ports, allowing you to power IP phones, wireless access points, and other PoE devices directly from the router.