Cisco 1800 Series Integrated Services Routers

Cisco 1861E Integrated Services Router

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Cisco® is introducing a new platform focused on unified communications to the Cisco 1800 Series Integrated Services Routers portfolio: the Cisco 1861E. The Cisco 1861E Unified Communications System makes anytime, anywhere secure access to information possible, thereby facilitating more effective and efficient ways of communicating with customers and employees.

The award-winning Cisco Integrated Services Router (ISR) is the ideal platform for delivering unified communications in enterprise branch offices, commercial offices, and small and medium-sized business (SMB) offices. Through the integration of voice gateway, call processing, voicemail, Automated-Attendant, TimeCardView (TCV), conferencing, transcoding, and security capabilities, Cisco ISR platforms deliver a complete office unified communications solution (Figure 1).

Figure 1. Cisco 1861E Integrated Services Router

Product Overview

The Cisco 1861E Integrated Services Router, which is part of the Cisco 1800 Series Integrated Services Router portfolio, is a unified communications solution for SMBs and enterprise branch offices that provides voice, data, voicemail, Automated-Attendant, TimeCardView, video, and security capabilities while integrating with existing desktop applications such as calendar, email, and customer-relationship-management (CRM) programs. This easy-to-manage platform takes full advantage of business-class, proven unified communications technologies and supports flexible deployment models based on your needs - a wide array of IP phones, public-switched-telephone-network (PSTN) interfaces, and Internet connectivity.
Core components include the following:

• Cisco Unified Communications Manager Express or Cisco Unified Survivable Remote Site Telephony (SRST) for call processing

• Optional Cisco Unity® Express for voice messaging and Automated Attendant and TimeCardView

• Integrated LAN switching with Power over Ethernet (PoE) - expandable through Cisco Catalyst® Switches

• Optional support for range of high-speed WAN interface cards (HWICs)

• Optional security with firewall, VPN, Secure Sockets Layer (SSL), IP Security (IPsec) VPN, and intrusion-prevention-system (IPS) capabilities

Converged IP Communications

The Cisco 1861E Integrated Services Router can meet the IP communications needs of SMB and enterprise branch offices while concurrently delivering an industry-leading level of security within a single communications system. Cisco Unified Communications Manager Express (CME) runs natively on Cisco IOS ® Software on the Cisco 1861E and provides call processing for Cisco IP phones. This solution is targeted at customers who are interested in deploying a converged IP telephony solution for up to 15 IP phones and need an integrated WAN for data connectivity. Figure 2 illustrates the Cisco Unified CME application for a standalone business using the Cisco 1861E Integrated Services Router. With the Cisco 1861E, you can securely deploy data, voice, and IP telephony on a single platform for your small to medium-sized branch offices, helping them streamline their operations and lower their network costs.
As the enterprise extends its IP telephony deployments from central sites to remote offices, one of the critical factors in achieving a successful deployment is the ability to support backup call control at the remote branch office. Cisco Unified SRST provides a cost-effective solution for supporting redundant call control in the remote branch office. Figure 3 illustrates Cisco Unified SRST using the Cisco 1861E Integrated Services Router.

Figure 2. Cisco Unified Communications Manager Express Using Cisco 1861E

Figure 3. Cisco Unified SRST Using Cisco 1861E

Cisco Unity Express

The optional embedded Cisco Unity Express helps enable voicemail, desktop messaging, Automated-Attendant, interactive voice response (IVR), and TimeCardView services for increased customer service and rich employee communications experiences. IVR enables integration of customer databases with the incoming calls. TimeCardView is a time and attendance system that automatically tracks employees' working hours and enables supervisors to view real-time status of employees.

Cisco Unified CallConnectors for Desktop Applications

The Cisco 1861E Integrated Services Router integrates with common Windows desktop applications to give small business owners access to productivity gains once available only to large businesses. With Cisco Unified CallConnectors you can integrate your Cisco Unified IP Phones with common applications, including Microsoft Outlook, Internet Explorer, Microsoft Dynamics CRM, or CRM.

Secure Network Connectivity for Data, Voice, and Video

Security has become a fundamental element of any network. Routers play an important role in any network defense strategy because security needs to be embedded throughout the network. The Cisco 1861E ISR features advanced, integrated, end-to-end security for the delivery of converged services and applications. With the optional Cisco IOS Software Advanced IP Services feature set, the Cisco 1861E provides a robust array of common security features such as a Cisco IOS Software Firewall, intrusion prevention, IPsec VPN, SSL VPN, advanced application inspection and control, Secure Shell (SSH) Protocol Version 2.0, and Simple Network Management Protocol Version 3 (SNMPv3) in one secure solution set. Additionally, by integrating security functions directly into the router itself, Cisco can provide unique intelligent security solutions other security devices cannot, such as Network Admissions Control (NAC) for antivirus defense; Voice and video enabled VPN for quality-of-service (QoS) enforcement when combining voice, video, and VPN; and Dynamic Multipoint VPN (DMVPN), Group Encrypted Transport VPN, and Easy VPN for enabling more scalable and manageable VPN networks. As Figure 4 demonstrates, a Cisco 1861E uniquely helps customers deliver concurrent, mission-critical data, voice, and video applications with integrated, end-to-end security at wire-speed performance.

Figure 4. Secure Integrated IP Telephony Using Integrated Services Routers

LAN Switching

The Cisco 1861E Integrated Services Router has an integrated, managed Ethernet switch that provides 8 ports of 10/100 PoE. Additionally, the system capacity can be expanded by connecting the recommended Cisco Catalyst portfolio of switches.

Platform Features and Benefits

The Cisco 1861E Integrated Services Router is an all-in-one unified communications solution that integrates voice, data, video, wireless, and security into one platform. It brings unified communications to SMBs and enterprise small branch offices by providing a simplified, affordable solution that is easy to configure, deploy, and manage. By combining call control, messaging, and security into one device, the Cisco 1861E eliminates the added costs of multiple servers and provides a solution that is easy to set up and manage at a lower price point.
Table 1 summarizes the features and benefits of the Cisco 1861E Integrated Services Router.

Table 1. Platform Features and Benefits



Solution packaging

• Both foreign-exchange-office (FXO) and Basic Rate Interface (BRI) fixed configurations are offered for both Cisco Unified CME + Cisco Unity Express and Cisco Unified SRST applications.
• Each configuration is equipped with the appropriate number of feature licenses for call processing and voicemail, simplifying the product structure.
• The appropriate number of fixed digital signal processors (DSPs) is packaged with each configuration.

CME/SRST upgrade licenses

• This upgrade provides flexibility and investment protection by allowing the optional upgrade of the default 8-user CME/SRST license to 15 users. Refer to Table 8 for a list of license upgrade part numbers.


• A HWIC slot is available for data WAN integration through a select list of HWICs. Refer to Table 9 for a list of supported HWICs.
• The default Cisco IOS Software image SP Services K9 can be upgraded to optional advanced images. Refer to Table 7 for a list of software images supported.

Ethernet connectivity with QoS

• Ethernet connectivity is provided for IP phones or wireless access points by PoE ports that provide connectivity speeds for up to 100BASE-T Ethernet technology without the need for additional power modules. Most Cisco Unified IP Phones include a 10/100 switch with QoS to provide PC desktop connectivity to the network.
• Optimized QoS is provided for IP phone and desktop configurations. The QoS level helps ensure that voice-over-IP (VoIP) traffic takes precedence.
• Voice and data traffic travels in preconfigured VLANs.
• Port security is provided to limit unauthorized access to the network.

Power failover

• A power failover feature is provided on the base configuration, giving access to the PSTN lines in case of a power outage. When power is lost, a FXO PSTN trunk is directly connected to a foreign-exchange-station (FXS) analog port, allowing for calls to be placed and received.

Recorded announcements for callers: Music on hold (MOH)

• The process for providing customized MOH announcements is simplified with a dedicated MOH port, allowing small-business owners to play recorded announcements to their callers by simply plugging the audio source into the provided 3.5-mm mini-jack.
• Customers can also use wave files stored on flash memory.
• MOH is an audio stream that is played to PSTN and VoIP G.711 or G.729 callers who are placed on hold by the phone user. This audio reassures the callers that they are still connected to the called party.

Cisco Unified Communications Features

IP telephony is currently undergoing tremendous growth, accelerated by access to value-added features and applications that only IP telephony can provide to the end user. Additionally, the cost benefits of converging data, voice, and video on a single network are adding to the rapid acceptance of this technology. Because it is integrated into a single system, the Cisco 1861E Integrated Services Router for SMBs and enterprise small branch offices enhances the advantages of convergence by offering the following innovative benefits:

• Cost-effective operations through a single, integrated voice-and-data platform for all SMB and enterprise branch-office needs: This highly reliable platform provides robust QoS and the right level of security, encryption, and firewall to deliver enhanced VPN services to meet small-business needs. The system delivers integrated IP telephony, voicemail, and Automated-Attendant functions, allowing you to deploy one device to address all your business needs - thereby simplifying management, maintenance, and operations and delivering a lower total cost of ownership (TCO).

• Sophisticated key system and private-branch-exchange (PBX) capabilities: SMBs and enterprise branch offices have different workflows and require specialized features to support their work practices. The Cisco 1861E delivers a robust set of telephony features for the small office and delivers unique, value-added capabilities through XML. These capabilities, which cannot be delivered by traditional systems, enhance the productivity of the end user and the business.

• Remote maintenance and troubleshooting: You can use the industry-standard Cisco IOS Software command-line interface (CLI) or user-friendly GUI to configure and administer the Cisco 1861E Integrated Services Router system.

The Cisco 1861E ISR offers the feature set available with Cisco Unified Communications Manager Express 8.5 and Cisco Unity Express 8.5. Table 2 summarizes the unified communications features.

Table 2. IP Telephony Support: Features and Benefits



IP phone support

Onboard PoE switch ports can be used to power Cisco IP phones.

Packet voice DSP module (PVDM) support

The router offers onboard support for analog and digital voice, conferencing, transcoding, and secure Real-Time Transport Protocol (RTP) applications. This feature is not upgradable.

Integrated call processing

Cisco Unified Communications Manager Express is embedded in Cisco IOS Software and provides call processing for Cisco IP phones. Cisco CME delivers telephony features similar to those that are commonly used by business users to meet the requirements of the small to medium-sized offices. For additional information about Cisco Unified Communications Manager Express features, please visit

Integrated voicemail and Automated Attendant

An integrated voicemail and Automated-Attendant solution is available optionally as a factory option. Up to 8 mailboxes and 5 general delivery mailboxes are available with the Cisco Unity Express option. For additional information about Cisco Unity Express features, please visit

PSTN interfaces support

Onboard voice ports integrated into the system by default include interfaces for PSTN; PBX; and key system connections, including FXS, FXO, and BRI.

Cisco Unified SRST

Branch offices can take advantage of centralized call control while cost-effectively providing local branch-office backup using SRST redundancy for unified communications. For additional information about Cisco Unified SRST features, please visit

Security and Firewall: Features and Benefits

Security is a fundamental element of any network, and Cisco products play an important role in embedding security at the customer's access edge. The optional Cisco IOS Software security features for the Cisco 1861E are activated with hardware-based encryption on the motherboard and provide a robust array of features such as Cisco IOS Firewall, IPsec VPNs (Digital Encryption Standard [DES], Triple DES [3DES], and Advanced Encryption Standard [AES]), SSL Web VPN, SSHv2.0, and SNMP in one solution set. Table 3 summarizes the enhanced security functions available through the optional security image.

Table 3. Secure Networking: Feature and Benefits



Cisco IOS Software Firewall

Sophisticated security and policy enforcement provides features such as stateful, application-based filtering (context-based access control), per-user authentication and authorization, real-time alerts, transparent firewall, and IPv6 firewall.


SSL provides security for web transactions by handling authentication, data encryption, and digital signatures.

Onboard VPN encryption acceleration

The Cisco 1861E supports IPsec DES; 3DES; and AES 128, 192, and 256 cryptology by using an optional security image.

Network Admission Control (NAC)

A Cisco Self-Defending Network initiative, NAC seeks to dramatically improve the ability of networks to identify, prevent, and adapt to threats by allowing network access only to compliant and trusted endpoint devices.

Multiprotocol Label Switching (MPLS) VPN support

The Cisco 1861E supports specific provider edge functions plus a mechanism to extend customers' MPLS VPN networks out to the customer edge with a Virtual Route Forwarding (VRF) firewall and VRF IPsec. For details about the MPLS VPN support on the different integrated services routers, please check the feature navigator tool at:


Flexible and high-performance support is offered through Cisco IOS Software. IPS offers the ability to load and enable selected intrusion-detection-system (IDS) signatures in the same manner as Cisco IDS Sensor Software.

Advanced application inspection and control

Cisco IOS Firewall includes HTTP and several email inspection engines that can be used to detect misuse of port 80 and email connectivity.

Cisco Easy VPN remote and server support

The Cisco 1861E eases administration and management of point-to-point VPNs by actively pushing new security policies from a single headend to remote sites.


DMVPN is a Cisco IOS Software solution for building IPsec + Generic routing encapsulation (GRE) VPNs in an easy and scalable manner.

Group Encrypted Transport VPN

Group Encrypted Transport VPN is a Cisco IOS Software solution that simplifies securing large Layer 2 or MPLS networks requiring partial or full-mesh connectivity by providing tunnel-less VPN connectivity.

URL filtering

URL filtering is available externally with a PC server running the URL filtering software.

Standard 802.1x support on integrated switching

Standard 802.1x applications require valid access credentials that make unauthorized access to protected information resources and deployment of unsecured wireless access points more difficult.

Network Address Translation (NAT)

NAT simplifies and reduces costs associated with global IP address allocation and management. Only a single registered IP address is required to support all users on an entire LAN infrastructure.

Cost of Ownership and Ease of Use: Features and Benefits

The Cisco 1861E continues the heritage of offering versatility, integration, and power to branch offices. The platform offers many enhancements to enable the support of multiple services in the branch office, as shown in Table 4.

Table 4. Cost of Ownership and Ease of Use: Feature and Benefits



Integrated channel service unit/data service unit (CSU/DSU), add/drop multiplexers, firewall, modem, compression, and encryption

These features consolidate typical communications equipment found in branch-office wiring closets into a single, compact unit, providing better manageability because it saves space.

Cisco IOS IP Service-Level Agreements (IP SLAs)

With Cisco IOS IP SLAs, you can verify service guarantees, increase network reliability by validating network performance, proactively identify network problems, and increase return on investment (ROI) by easing the deployment of new IP services.

Cisco IOS Software Warm Reboot

This feature reduces system boot time and decreases downtime caused by Cisco IOS Software reboots.

CiscoWorks support

This feature offers advanced management and configuration capabilities through a web-based GUI.

Cisco AutoInstall

This feature configures remote routers automatically across a WAN connection to save the cost of sending technical staff to the remote site.

Cisco IOS Embedded Event Manager (EEM)

This feature enables automation of many network management tasks and directs the operation of Cisco IOS Software to increase availability, collect information, and notify external systems or personnel about critical events.

Cisco Configuration Professional

Cisco Configuration Professional is a PC-based device management tool for Cisco ISRs. The application simplifies router, firewall, IPS, VPN, unified communications, WAN, and LAN configurations through GUI-based, easy-to-use wizards.

Cisco IOS Software Release Support

The minimum Cisco IOS Software Release for the support of the Cisco 1861E is 15.1(3)T.


The Cisco 1861E Integrated Services Router, which is part of the Cisco 1800 Series, is an all-in-one, affordable unified communications platform targeted at SMBs and enterprise small branch offices with up to 8 employees. It takes advantage of industry-leading, business-class, proven unified communications technologies (voice, data, video, and security) integrated into one platform and facilitates integration with commonly used desktop applications such as Microsoft Outlook and Outlook Express, IBM Lotus Notes, and CRM software. Functions include Automated Attendant, TimeCardView, voicemail, PSTN and Internet connectivity, and analog phone and fax machine support. A wide array of IP phones are supported by PoE ports. The Cisco 1861E solution also provides the capability to network the office for voice, video, and data networking and allows business owners and employees to be securely connected to the office while they are traveling or working from their home offices.

Product Specifications

Table 5 gives specifications of the Cisco 1861E.

Table 5. Chassis Specifications for the Cisco 1861E Integrated Services Router




Default of 8-user Cisco Unified CME or SRST configuration; optional license-based upgrade to 15 users

Packaging type

Desktop or wall-mount (rack-mount: Optional)

Product Architecture

Default DRAM

• Cisco IOS Software: 512 MB
• Voice messaging: 512 MB

Compact Flash memory

• Cisco IOS Software: 128 MB
• Voice messaging: 1 GB; Compact Flash

Onboard Ethernet ports

• 1 10/100 Fast Ethernet
• 8 10-/100-Mbps LAN
• 1 10/100 Ethernet expansion port

WAN slot

1 HWIC slot to support select Cisco HWICs


Single 3.5-mm audio port or wave file stored in flash memory

Integrated encryption

Cryptography accelerator as standard integrated hardware that can be enabled with optional Cisco IOS Software support for 3DES and AES encryption

Integrated inline PoE ports

Base unit: Includes 8 built-in 10/100 PoE ports (802.3AF or Cisco Prestandard); Cisco Catalyst switch recommended for additional ports

FXS ports

4 built-in FXS ports.(not expandable)

PSTN interfaces (FXO or BRI)

4 built-in FXO ports or 2 built-in BRI voice ports (not expandable)

Console port

1: Up to 115.2 kbps

Voicemail ports

6 ports for voicemail and Automated Attendant

Deployment Options

Desktop; wall-mount, and rack-mount (rack-mount requires an optional rack-mount kit; part number: ACS-1861-RM-19=)

Power Requirements

Power supply


AC input voltage

100 to 240 VAC

AC input frequency

50 to 60 Hz

AC input current

4 to 2A (100 to 240V)

AC input surge current

50 to 100A (100 to 240V)

Maximum inline power distribution


Power dissipation: AC without IP phone support

• 80W
• 90W (including external AC adapter)

Power dissipation: AC with IP phone support for IP phones

• 175W
• 180W (including external AC adapter)

Environmental Specifications

Operating temperature

32 to 104°F (0 to 40°C)

Operating humidity

10 to 85% noncondensing operating; 5 to 95 noncondensing nonoperating

Nonoperating temperature

4 to 149°F (-20 to 65°C)

Operation altitude

• 104°F (40°C) at sea level
• 87.8°F (31°C) at 6,000 ft (1800m)
• 77°F (25°C) at 10,000 ft (3000m)
• Note: De-rate 34.7°F (1.5°C) per 1,000 ft

Dimensions (H x W x D)

• 2.625 x 10.5 x 11.05 in.
• (6.67 x 26.67 x 28.07 cm)

Power supply dimensions (H x W x D)

• 1.7 x 4 x 7.5 in.
• (4.3 x 10.16 x 19.05 cm)

Rack height

1.5 rack unit (RU)

Weight (fully configured)

8 lb (3.63 kg)

Power supply

3 lb (1.36 kg)

Noise level (minimum and maximum)

Normal operating temperature:

• <78°F (25.6°C): 34 dBA
• ->78°F (25.6°C) through <104°F (40°C): 37 dBA
• ->104°F (40°C): 42 dBA

Regulatory Compliance


• IEC 60950-1
• AS/NZS 60950.1
• CAN/CSA-C22.2 No. 60950-1
• EN 60950-1
• UL 60950-1


• EN 55024
• EN 300-386
• EN 61000-6-2
• EN 50082-1
• EN 55024 (CISPR 24)


• FCC Part 15, ICES-003
• EN55022, CISPR 22
• CNS13438
• VCCI V-3
• EN 55024
• EN 300-386
• EN 61000-3-2
• EN 61000-3-3
• EN 50082-1
• EN 55024 (CISPR 24)
• EN 61000-4-2
• EN 61000-4-3
• EN 61000-4-4
• EN 61000-4-5
• EN 61000-4-6
• EN 61000-4-8
• EN 61000-4-11
• EN 61000-6-2


• TIA-968-A3
• CS-03 Part I
• ACIF S002
• ACIF S003
• ANZ PTC200
• ISDN BRI S/T (voice only)
• TIA-968-A3
• CS-03 Part VI
• TBR3
• ACIF S031
• ANZ PTC200
• MPMHAPT Japan Digital
• TIA-968-A3
• CS-03 Part I
• TBR21
• MPMHAPT Japan Analog
• ACIF S002
• ACIF S003
• ACIF S004
• ANZ PTC200
• Music on Hold interface
• ACIF S038
• ACIF S004
• TIA-464C

Ordering Information

To place an order, visit the Cisco Ordering Home Page.
For more information about the Cisco integrated services routers, visit Table 6 lists the Cisco 1861E part numbers, and Table 7 lists the Cisco IOS Software images.

Table 6. Ordering Information

Part Number



1861E, 8-user SRST or CME, 4FXS, 4FXO, 8xPOE, SP Svcs, HWIC slot


1861E, 8-user SRST or CME, 4FXS, 2BRI, 8xPOE, SP Svcs, HWIC slot


1861E, 8-user SRST or CME, CUE, 4FXS, 4FXO, 8xPOE, SP Svcs, HWIC slot


1861E, 8-user SRST or CME, CUE, 4FXS, 2BRI, 8xPOE, SP Svcs, HWIC slot


1861E, 8-user CME, CUE, Ph. Lic, 4FXS, 4FXO, 8xPOE, HWIC slot


1861E, 8-user CME, CUE, Ph. Lic, 4FXS, 2BRI, 8xPOE, HWIC slot

Table 7. Cisco IOS Software Images for Cisco 1861 Router in Cisco IOS Software 15.1(3)T or Later Releases

Cisco 1861E

Supported Images in Cisco IOS Software Release 15.1(3)T or later

Default image:c1861-

SP Services K9




Enterprise Services K9


Advanced IP Services K9


Advanced Enterprise Services K9

CME/SRST User License Upgrades

The Cisco 1861E Integrated Services Router has previously been offered as an 8-user unified communications solution. License-based upgrades are now orderable and enable customers to upgrade the 8-user version of the Cisco 1861E Integrated Services Router to 15 users (refer to Table 8).

Table 8. Upgrade Options for the Cisco 1861E Integrated Services Router

Software License SKU



1861 CME/SRST feature license upgrade from 8 to 15 users


1861 CME/SRST + CUE feature license upgrade from 8 to 15 users


1861 CME/SRST + CUE + phone license upgrade feature license upgrade from 8 to 15 users


1861 CME/SRST e-Pak license upgrade from 8 to 15 users


1861 CME/SRST + CUE ePak license upgrade from 8 to 15 users


1861 CME/SRST + CUE + phone e-Pak license upgrade feature license upgrade from 8 to 15 users

Module Support

Table 9 lists HWICs supported in the HWIC slot, and Table 10 lists WAN and voice interface cards (VICs) not supported in the HWIC slot.

Table 9. HWICs Supported in the HWIC Slot

Part Number


T1/E1 WAN Interface Card


1-Port T1/E1 with Integrated CSU/DSU HWIC for only 1861

Serial WAN Interface Cards


1-Port Serial HWIC for only 1861


2-Port Serial HWIC for only 1861

Wireless WAN Interface Cards


3G WWAN HWIC-EVDO Rev A/Rel 0/1xRTT-800/1900MHz


3G WWAN HWIC-EVDO Rev A/Rel 0/1xRTT-800/1900MHz


3G HWIC (Non-US) HSPA/UMTS 850/1900/2100MHz; Quad-band 2G

DSL WAN Interface Cards


G.shdsl HWIC with Annex F & G support


G.shdsl HWIC with IMA support


4-pair EFM Based HWIC


1-port VDSL2 HWIC


1-port ADSLoPOTS HWIC, Annex A


1-port ADSLoISDN HWIC, Annex B


1-port ADSL HWIC w/Annex M


Dual-port HWIC with ADSL over POTS and ISDN BRI ports (12.4(20)T, 12.4(22)T and later)


Dual-port HWIC with ADSL over ISDN and ISDN BRI ports.(12.4(20)T, 12.4(22)T and later)

Cable WAN Interface Cards


1-Port DOCSIS 2.0 Cable HWIC


1-Port Euro/J-DOCSIS 2.0 Cable HWIC

Cisco Ethernet Routed-Port Cards


1-SFP slot GigE HWIC


2-port 10/100 Routed-Port HWIC


1-port 10/100 Routed-Port HWIC

Table 10. WICs and VICs Not Supported in HWIC Slot

Part Number




1-port T1/Fractional-T1 CSU/DSU WIC


1-port 4-wire 56-/64-kbps CSU/DSU WIC

Serial WAN Interface Cards


1-Port Serial WIC


2-Port Serial WIC


2-Port Serial Asynchronous or Synchronous WIC


4-Port Async/Sync Serial HWIC


8-port Async HWIC


8-port Async/Sync HWIC EIA-232

Wireless Access Point HWICs


AP HWIC, 2 radios (2.4/5Ghz Radios 802.11 a/b/g) Americas


AP HWIC, 2 radios (2.4/5Ghz Radios 802.11 a/b/g) Europe


AP HWIC, 2 radios (2.4/5Ghz Radios for 802.11 a/b/g) Japan


AP HWIC, w 2.4 Ghz Radio for 802.11 b/g Americas


AP HWIC w 2.4 Ghz Radio for 802.11 b/g Europe


AP HWIC w 2.4 Ghz Radio for 802.11 b/g Japan

DSL WAN Interface Cards


1-port asymmetric DSL (ADSL) over basic-telephone-service WIC


1-port ADSL over basic telephone service with dying-gasp WIC


1-port ADSL over ISDN with dying-gasp WIC


1-port G.shdsl WIC with 4-wire support

Cisco EtherSwitch® HWICs


4-port 10/100 BaseT Ethernet switch HWIC



1-port ISDN BRI with S/T interface


1-port ISDN Basic Rate Interface (BRI) with integrated NT1 (U interface)

Analog Modem WICs


1-port analog modem WIC (updated version)


2-port analog modem WIC (updated version)

Voice Interface Cards


2-port VIC-FXS/DID


4-port VIC-FXS/DID


4-port VIC-FXS/DID


2-port VIC-FXO (universal)


4-port VIC-FXO (universal)


2-port VIC card-BRI (NT and TE)

T1, E1, G.703 VWICs


1-port RJ-48 multiflex trunk-T1


2-port RJ-48 multiflex trunk-T1


2-port RJ-48 multiflex trunk-T1 with drop and insert


1-port RJ-48 multiflex trunk-E1


1-port RJ-48 multiflex trunk-G.703


2-port RJ-48 multiflex trunk-E1


2-port RJ-48 multiflex trunk-E1 with drop and insert


2-port RJ-48 multiflex trunk-G.703


1-port 2nd generation multiflex trunk-T1/E1


2-port 2nd generation multiflex trunk-T1/E1


1-port 2nd generation multiflex trunk-G.703


2-port 2nd generation multiflex trunk-G703

For more information about Cisco Unified Communications Services, please visit:

Limited 1-Year Hardware Warranty

For details about the Cisco 1861E Integrated Services Router Limited 1-Year Hardware Warranty, visit

For More Information

For more information about the Cisco ISRs, visit or contact your local Cisco account representative.

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Services from Cisco and our certified partners can help you reduce the cost and complexity of branch-office deployments. We have the depth and breadth of experience across technologies to architect a blueprint for a branch-office solution to meet your company's needs. Planning and design services align technology with business goals and can increase the accuracy, speed, and efficiency of deployment. Technical services help maintain operational health, strengthen software application functions, solve performance problems, and lower expenses. Optimization services are designed to continually improve performance and help your team succeed with new technologies. For more information, please visit
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