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NOTE: This product is no longer being sold and might not be supported.

View the End-of-Life Notice to learn: 

  • End-of-sale and end-of-life dates
  • What replacement products are available
  • Information about product support

Ready for an upgrade?

Cisco 4000 Series Integrated Services Routers offer greater performance and functionality. Their converged, secured branch infrastructure is built to deliver an optimal application experience on any device, any connection, from any cloud or data center.

Why upgrade? | See the ISR 4000 Series​​​

Deliver Unified Communications to Small Branches

Provide more effective and efficient communications between customers and employees with the Cisco 1861 Integrated Services Router. This new platform delivers unified communications solutions to small and medium-sized businesses and small branch offices, enabling anytime, anywhere secure access to information.

Through integration of voice gateway, call processing, voicemail, automated attendant, conferencing, transcoding, and security capabilities, the 1861 Integrated Services Router delivers a complete unified communications solution. Powered by the Cisco IOS Software, the Cisco 1861 supports a wide range of connectivity options through a modular High-Speed WAN Interface Card (HWIC) Slot. In addition, it supports advanced routing and security services.

Key Features

  • Integrated Cisco Unified Communications Manager Express or Cisco Unified Survivable Remote Site Telephony for call processing
  • Cisco Unity Express for voice messaging and automated attendant
  • Integrated LAN switching with Power over Ethernet (PoE) expandable through Cisco Catalyst Switches
  • Support for a range of HWICs
  • Built-in hardware encryption enabled through optional security image
  • Innovative security services, including Secure Sockets Layer, Network Admission Control, Group Encrypted Transport Virtual Private Networks, and Inline Intrusion Prevention System
Featured Content

New Branch Routing and Switching Platforms
The Empowered Branch offers new routing and switching platforms for small branch offices and significant Cisco Integrated Services Routers services innovations.

Deploy Unified Communications Services on Cisco's ISR
Find out all the services associated with Cisco ISR including TDM gateway, Session Border Control, Telephony Survivability and more.

Got a small business?  We have solutions just for you. Learn More

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