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C1861-UC-4FXO-K9
1861, 8-user CME, CUE, Ph. Lic, 4FXS, 4FXO, 8xPOE, HWIC slot
Federal agencies and Fortune 500 operations source through ORM Systems.
US Government & Defense
Enterprise Clients
Regional teams and 25+ distribution partners keep stock near you and accountability in your time zone.
Pay by PayPal or Revolut with full chargeback rights. Order on PO terms, Net-30 for government.
Every registration we claim is public record — check our federal contractor status yourself before you spend a dollar.
Ten years serving buyers who audit their vendors. From federal agencies to 20,000+ enterprise clients worldwide.
C1861-UC-4FXO-K9 is a fixed integrated services router engineered for unified communications with built-in support for voice and data. It features a robust architecture with multiple power options via an AC power supply, dedicated WAN interfaces including 10/100 Ethernet ports, and four FXO ports for PSTN connectivity that provide integrated voice services. The router is designed to offer secure VPN capabilities and strong firewall protection while meeting diverse business connectivity needs.
Designed for high performance and reliability, the C1861-UC-4FXO-K9 delivers efficient throughput capacity and redundancy features that support mission-critical applications. Its modular expansion capability via an EHWIC slot, comprehensive routing protocols (OSPF, EIGRP, RIP, Static), and remote management support (Telnet, SSH, SNMP) make it an ideal solution for branch offices, call centers, and other business environments where consistent security and voice integration are essential.
C1861-UC-4FXO-K9 price is is available on request. Get immediate quote.
Request bulk order quote for C1861-UC-4FXO-K9 for additional pricing. Browse the full Router Isr 1800 series or explore all Cisco products.
A 10-user branch deploys the C1861-UC-4FXO-K9-1861 with 8-user CME, Unity Express voicemail, 4FXS for legacy fax, 4FXO for PSTN failover and 8xPoE for IP phones. Outcome: centralized call control, 30% telecom cost reduction and 99.9% voice uptime during WAN outages.
A multi-location retailer uses the C1861-UC-4FXO-K9-1861’s CUE-powered IVR, 4FXO PSTN ports for local call continuity and 4FXS for analog POS terminals. Outcome: uninterrupted customer service during network failures, faster checkout, and simplified voice management.
An outdoor event deploys the C1861-UC-4FXO-K9-1861 with 8xPoE for IP handsets, HWIC slot LTE backup router, CUE auto attendant, plus 4FXS for analog PA systems. Outcome: sub-hour setup, unified voice services on-site and 50% lower rental costs compared to standalone PBXs.
Mon–Fri: [09:00-16:00]
Avg. response under 30 mins
| C1861-UC-4FXO-K9 |  C1841-3G-G-SEC/K9 |  C1861W-UC-4FXO-K9 |  C1841-3G-V-SEC/K9 |  CISCO1802 | |
|---|---|---|---|---|---|
| 5G Support | No | No | No | No | No |
| Architecture | Fixed | Fixed | Fixed | Fixed | Fixed |
| Built-in Security Features | Firewall / Intrusion Prevention | Firewall, IPSec, Intrusion Prevention | Firewall / Intrusion Prevention | Firewall, Intrusion Prevention, Malware Protection | Firewall, Intrusion Prevention |
| Compliance Standards | FCC, CE | FCC, CE | FCC / CE / UL | FCC, CE | IEEE 802.3, 802.3u, 802.3ab |
| Connectivity Type | Wired | Wired | Wired | Wired | Wired |
| Device Type | Router | Router | Router | Router | Router |
| Ethernet Technology | 10/100 | 10/100 | 10/100 | 10/100 | 10/100/1000 |
| Expansion Slots | EHWIC | 2 EHWIC Slots | EHWIC | EHWIC | NIM, EHWIC |
| Features | VPN / VoIP / Firewall / IPv6 Compatible | VPN, NAT, ACL, QoS, Firewall | VPN / VoIP / IPv6 Compatible / Firewall | VPN, Firewall, Intrusion Prevention, NAT, QoS, Routing | VPN, VoIP, IPv6 Compatible, Firewall, MPLS |
| Firewall Features | Yes | Yes | Yes | Yes | Yes |
| Flash Memory | 128 MB | 256 MB | 256 MB | 256 MB | 256 MB |
| Form Factor | Rack-mount | Desktop | Desktop | Desktop / Rack-mount | Rack-mount |
| High Availability Support | Supported | Not Supported | Not Supported | Not Supported | Supported |
| Integrated Services | Voice | Security, VPN | Voice / Video | Voice, VPN, Security | Voice, Video, WAN Optimization |
| Interface Ports | RJ-45 | 2 x 10/100 Ethernet, 1 x Auxiliary Port | RJ-45 | RJ-45 | RJ-45, Combo Ports |
| Management | Managed | Managed | Managed | Managed | Managed |
| Memory | 256 MB | 128 MB | 512 MB | 128 MB | 512 MB |
| Modular Slots Available | 1 Slot | 2 Slots | 1 Slot | 2 Slots | 2 Slots |
| Network Protocols | IP | IPv4, IPv6 | IP / IPX / PPP | IPv4, IPv6, TCP/IP | IP, TCP, UDP, HTTP, SNMP |
| Power | 60 Watt | 65W | 50W | 65 Watts | 150W |
| Power Source | AC Power Supply | AC Power Supply | AC Power Supply | AC Power Supply | AC Power Supply with Redundant Option |
| Product Name | Cisco 1861 Unified Communications Integrated Services Router (C1861-UC-4FXO-K9) | Cisco C1841-3G-G-SEC/K9 Integrated Services Router | Cisco 1861W UC 4FXO | Cisco 1841 Integrated Services Router C1841-3G-V-SEC/K9 | Cisco 1802 Integrated Services Router |
| Product Type | Integrated Services Router | Enterprise Router | Integrated Services Router | Enterprise Router | Enterprise Router |
| QoS Features | Supported | Supported | Supported | Supported | Supported |
| Remote Management | Telnet, SSH, SNMP | Telnet, SSH, SNMP | CLI / Web-based | Telnet, SSH, SNMP, HTTP/HTTPS | Telnet, SSH, SNMP, HTTPS |
| Routing Protocols | OSPF / EIGRP / RIP / Static Routing | OSPF, EIGRP, RIP, BGP, Static Routing | EIGRP / OSPF / RIP / Static Routing | OSPF / EIGRP / RIP / BGP / Static Routing | OSPF / BGP / EIGRP / Static Routing |
| Stacking Capability | No | No | No | No | Yes |
| Throughput Capacity | 0.025 Gbps | 35 Mbps | 0.025 Gbps | 33 Mbps | 1 Gbps |
| Use Case | Business | Enterprise, Small Business, Branch Office | Enterprise | Enterprise / Small Business | Enterprise / Business |
| VPN Support | IPSec / SSL VPN | IPSec, GRE, DMVPN | IPSec / SSL VPN | IPSec / SSL VPN | IPSec / SSL VPN |
| WAN Configuration | WAN | Single WAN | WAN | WAN | Dual WAN |
| WAN Ports | 2 WAN | 2 x 10/100 Ethernet | 2 WAN | 1 WAN | 2 WAN |
| Wireless Support | No | No | Yes | No | No |
Every unit is authentic, sourced through trusted and authorised channels, and serial-verified on request. Genuine networking and IT hardware, guaranteed, or your money back.
New products are backed by up to 3 years of extended warranty, and certified refurbished units by up to 3 months, for dependable protection on every order. Coverage is clear, honoured in full, and confirmed on each product page.
If a unit ever falls short, our streamlined RMA process gets a replacement to you fast, with advance replacement available to keep your network running. No jargon, no runaround.
Every device is inspected, bench-tested, and firmware-verified, with configurations wiped before dispatch. Additional testing can be arranged to confirm full working condition on request.
Our specialists assist with compatibility, configuration, licensing, and installation, before and after you buy. Real hardware expertise, whenever you need it.
dispatched quickly and shipped worldwide from regional hubs, fully tracked and insured.
Cisco 1861-UC-4FXO provides dependable UC features and voice connectivity. Handles 8-user CME efficiently.
Reliable router with POE support and multiple FXS/FXO ports. Ensures smooth office operations.
Easy deployment and consistent performance. Maintains stable voice and data connectivity for branch offices.
Strong router with integrated UC and POE support. Ideal for small to medium offices.
Durable and efficient Cisco solution. Provides predictable performance and minimal downtime for daily operations.
The Cisco 1861-UC-4FXO-K9 is an integrated branch router combining an 8-user Cisco Unified Communications Manager Express (CME), Cisco Unity Express (CUE) voicemail, 4 FXS, 4 FXO, 8 PoE ports and one HWIC slot for modular expansion.
The Cisco 1861 supports up to 8 active voice users via Cisco Unified Communications Manager Express (CME) for small branch and remote office deployments.
This model includes licenses for 8-user Cisco CME, Cisco Unity Express voicemail, and phone system functionality for FXS/FXO port operation.
The router provides four FXS ports for analog handset connectivity and four FXO ports for PSTN loop start trunking to a public telephone network.
There are eight integrated PoE ports delivering up to 15.4 W per port (802.3af) with a total PoE power budget of 124 W to support IP phones and access points.
Yes. The single High-Speed WAN Interface Card (HWIC) slot supports a variety of Cisco voice, serial or broadband modules for customized WAN and voice connectivity.
The Cisco 1861 router delivers up to 25 Mbps of aggregate IPv4 data throughput, ideal for secure small branch or remote office deployments.
Yes. Cisco Unity Express (CUE) is embedded, providing up to 300 mailboxes with unified messaging, auto-attendant and voicemail-to-email features.
The Cisco 1861 offers stateful firewall, IPSec and SSL VPN, intrusion prevention (with licensed IPS module), and advanced threat mitigation capabilities.
Administration is via Cisco IOS command-line interface (CLI), Cisco Configuration Professional GUI, or Cisco Prime for centralized provisioning and monitoring.
Yes. The router ships with a rack-mount kit that allows installation in a standard 19-inch equipment rack or 1U-high data cabinet.
The Cisco 1861 operates between 0 °C to 40 °C, supports 10%–90% non-condensing humidity, and complies with RoHS and WEEE standards.
The router supports an internal 260 W universal AC power supply and optional external DC modules for 48 V environments.
Configure dial peers in Cisco IOS under voice service voip and dial-peer voice sections, binding incoming called numbers to FXS and FXO interfaces.
Cisco provides a one-year limited hardware warranty and optional SMARTnet support for software updates, hardware replacement and 24×7 technical assistance.
Compatible HWIC modules include Cisco HWIC-1DSU-T1, HWIC-2SHDSL, HWIC-4A/S, HWIC-2FXO, HWIC-2FXS, and other data/voice interface cards for tailored WAN and PSTN connectivity.
United States
