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C3825-35UC/K9
3825 w/ PVDM2-64,NME-CUE,35 CME/CUE/Ph lic,SP Serv,128F/512D
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C3825-35UC/K9 is a modular integrated services router engineered for enterprise environments that require a robust architecture with flexible power options and multiple WAN/LAN interfaces. It delivers integrated services—including voice, video, and WAN optimization—in a chassis designed to seamlessly incorporate modular interface cards and expansion slots, ensuring enhanced VPN capabilities and built-in security features for secure communication.
C3825-35UC/K9 offers high performance with a throughput capacity of approximately 35 Mbps and supports redundancy through dual power options. Its design emphasizes reliability and scalability through features such as advanced routing protocols, comprehensive firewall protection, and support for quality-of-service (QoS) on both wired interfaces and VPN tunnels—making it ideal for enterprise use cases that demand integrated, high-availability network solutions.
C3825-35UC/K9 price is is available on request. Get immediate quote.
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A nationwide retail chain deploys the C3825-35UC/K9-3825 with PVDM2-64 DSP modules and 35 CME/CUE/Ph licenses at 50 branch locations to deliver integrated IP telephony, video conferencing and secure data connectivity over its MPLS backbone. By consolidating voice, video and data services onto a single router platform, the organization reduces hardware footprint by 40%, lowers operational expenses by 25% and accelerates roll-out of new collaboration features while maintaining carrier-grade reliability.
A regional service provider leverages the C3825-35UC/K9-3825 with SP Services license, NME-CUE voicemail module and PVDM2-64 DSP capacity to deliver managed MPLS VPN and SIP trunking services to enterprise customers. Advanced QoS, BGP/MPLS routing and high-density voice DSP resources enable the provider to offer aggregated voice, video and data traffic over a resilient edge platform. The solution drives a 30% increase in service revenue, ensures SLA compliance and scales to support thousands of concurrent sessions without performance degradation.
A large healthcare network integrates its legacy voicemail, auto attendant and call-routing infrastructure onto a centralized Cisco C3825-35UC with NME-CUE and 35 CME/CUE/Ph licenses, paired with Cisco Unified Contact Center Express. Processing up to 200 concurrent calls on the PVDM2-64 module and leveraging the 128 MB flash/512 MB DRAM, the organization simplifies management, enforces HIPAA-compliant call recording and reduces total cost of ownership by 35%. Patient satisfaction scores improve through faster call handling and personalized auto-attendant menus.
To get the detailed certification, please go to the Compliance Center.
 C3825-35UC/K9 |  C3825-NOVPN |  C3825-H-VSEC/K9 |  CISCO3845-SEC/K9 |  CISCO3825-WAE/K9 | |
|---|---|---|---|---|---|
| 5G Support | No | No | No | No | No |
| Architecture | Modular | Fixed | Modular | Modular | Modular |
| Broadband | N/A | N/A | Fiber Optic / DSL / N/A | N/A | N/A |
| Built-in Security Features | Firewall, Intrusion Prevention, Malware Protection | Firewall, Intrusion Prevention, Malware Protection | Firewall, Intrusion Prevention, Malware Protection | Firewall, Intrusion Prevention, VPN Encryption | Firewall / Intrusion Prevention |
| Compliance Standards | FCC, CE | FCC, CE | RoHS, FCC, CE | FCC, CE, RoHS | FCC / CE |
| Connectivity Type | Wired | Wired | Wired | Wired | Wired / Wireless |
| Depth | 17 inches | N/A | 15 inches | N/A | N/A |
| Device Type | Router | Router | Router | Router | Router |
| EMC | N/A | N/A | N/A | CISPR 22 | N/A |
| Ethernet Technology | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100 | 10/100 |
| Expansion Slots | EHWIC, NIM | NIM | NIM / EHWIC | NIM / EHWIC | EHWIC |
| Features | VPN, Voice, IPv6 Compatible, Firewall, POE, MPLS | Routing, QoS, IPv6 Compatible | VPN, IPv6 Compatible, Firewall, MPLS | VPN, VoIP, IPv6 Compatible, Firewall | VPN / Voice / Video / IPv6 Compatible / Firewall |
| Firewall Features | Yes | Yes | Yes | Yes | Yes |
| Flash Memory | 256 MB | 256 MB | 128 MB | 256 MB | 128 MB |
| Form Factor | Rack-mount | Rack-mount | Rack-mount | Rack-mount | Rack-mount |
| Height | 4.5 inches | N/A | 4 inches | N/A | N/A |
| High Availability Support | Supported | Supported | Supported | Supported | Not Supported |
| Integrated Services | Voice, Video, WAN Optimization | Voice, Video, WAN Optimization | Voice, Video, WAN Optimization | Voice, Video | Voice / Video / Data |
| Interface Ports | RJ-45, SFP | RJ-45, Combo Ports | RJ-45, SFP | RJ-45 | RJ-45 / Serial |
| LAN Ports | 4 LAN Ports | 4 LAN Ports | 4 LAN Ports | 4 LAN Ports | 4 LAN Ports |
| Management | Managed | Managed | Managed | Managed | Managed |
| Memory | 256 MB | 1 GB | 256 MB | 512 MB | 256 MB |
| Modular Slots Available | 3+ Slots | 2 Slots | 2 Slots | 2 Slots | 2 Slots |
| Network Protocols | IPv4, IPv6, MPLS | TCP/IP, UDP, ICMP | IPv4, IPv6, MPLS | TCP/IP, UDP, ICMP, IGMP | TCP/IP / IPsec / HTTP / SNMP |
| Power | 230W | 60 Watt | 150 W | 415W | 155 W |
| Power Source | AC Power Supply / Redundant | AC Power Supply | AC Power Supply / Redundant | AC Power Supply / Redundant | AC Power Supply |
| Product Name | Cisco 3825 Integrated Services Router - 35UC | C3825-NOVPN | Cisco C3825-H-VSEC/K9 Integrated Services Router | Cisco 3845 Integrated Services Router Security (CISCO3845-SEC/K9) | CISCO3825-WAE/K9 |
| Product Type | Integrated Services Router | Enterprise Router | Enterprise Router | Enterprise Router | Enterprise Router |
| QoS Features | Supported | Supported | Supported | Supported | Supported |
| Remote Management | Telnet, SSH, SNMP | Telnet, SSH, SNMP | SSH, Telnet, SNMP | SSH, SNMP, Telnet | CLI / SNMP |
| Routing Protocols | OSPF / EIGRP / BGP / RIP / Static Routing | OSPF / RIP / Static Routing | OSPF / BGP / EIGRP / Static Routing | OSPF / BGP / EIGRP / RIP / Static Routing | OSPF / BGP / EIGRP / RIP / Static Routing |
| Safety | N/A | N/A | N/A | IEC/UL | N/A |
| Speed/Capacity | Gigabit | Gigabit | Gigabit | 75 Mbps | N/A |
| Stacking Capability | Yes | Yes | No | No | No |
| Telecom | N/A | N/A | N/A | TIA/EIA | N/A |
| Throughput Capacity | 0.035 Gbps | 1 Gbps | 0.05 Gbps | 75 Mbps | 30 Mbps |
| Use Case | Enterprise | Enterprise | Enterprise | Enterprise | Enterprise |
| VPN Support | IPSec VPN / DMVPN | N/A | IPSec / SSL VPN | IPSec / SSL VPN | IPSec |
| WAN Configuration | Dual WAN | WAN | Dual WAN | Dual WAN | Dual WAN |
| WAN Ports | 2 WAN Ports | 2 WAN | 2 WAN | 2 WAN | 2 WAN |
| Weight | 20 lbs | N/A | 16 lbs | N/A | N/A |
| Wi-Fi Standard | N/A | N/A | N/A | N/A | 802.11 a/b/g |
| Width | 17 inches | N/A | 17 inches | N/A | N/A |
| Wireless Support | No | No | No | No | Yes |
Cisco 3825 with PVDM2-64 and NME-CUE ensures reliable UC performance. Supports 35 CME/CUE licenses efficiently for medium branch offices.
Durable and predictable. Handles multiple voice endpoints and unified communications reliably with SP services.
Easy to deploy and manage. Provides consistent voice, UC, and network performance with minimal downtime.
High-performing and robust. Maintains secure UC operations and smooth voice communications across branch offices.
Strong Cisco solution. Ideal for branch offices needing reliable UC, voice, and IP services.
Cisco router C3825-35UC/K9 is a branch-class integrated services router combining the 3825 platform with PVDM2-64, NME-CUE voice module, 35 Cisco Unified CME/CUE phone licenses, SP services, and a 128F/512D memory profile for secure WAN and voice applications.
The Cisco 3825 provides dual-core performance with up to 45 Mbps of firewall throughput, 80 Mbps of IPsec VPN, and scalable data and voice processing powered by the PVDM2-64 DSP module.
SKU C3825-35UC/K9 ships with a 128 MB flash (F) and 512 MB DRAM (D) configuration, supporting IOS image storage, advanced features, and voice processing with room for memory upgrades.
The PVDM2-64 DSP module provides up to 64 voice channels for transcoding, conferencing, and fax relay, enabling high-density voice services on the Cisco 3825 router.