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Name:
C3825-VSEC/K9
- Description:
- 3825 Voice Security Bundle,PVDM2-64,Adv IP Serv, 128F/512D
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3 Year Extended Warranty
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Larger orders are dispatched through freight forwarding partners. Delivery takes 7–10 business days, globally.
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Every shipment is delivered directly to your address — regardless of country or carrier.
Our best-in-class warranties
3-Year Extended Warranty
Extended protection, enterprise-grade.
All enterprise hardware is backed by a 3-year warranty — triple the industry standard — covering defects under normal use.
Professional repairs & replacements.
If a hardware issue is confirmed, we’ll repair or replace the unit. Replacement parts carry either original or 3-month coverage.
RMA process, simplified.
Once an RMA is approved, return the defective unit within 10 days. We handle the rest — no service gaps.
Service Boundaries & Exclusions
What’s covered — and what’s best avoided.
Your warranty covers defects under normal use. For continued protection, avoid accidental damage, unauthorized repairs, third-party parts, or extreme environments.
Know your location’s service type.
In some regions, return-to-factory or remote service may apply. On-site service depends on infrastructure availability.
Minimal documentation required.
To initiate service, just submit the invoice and warranty card — no red tape, no waiting.
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Return any product within 14 days of delivery if it doesn’t meet your technical or operational needs.
Initiate returns with ease.
Our RMA process is streamlined — just raise a request, follow the packaging guidelines, and we’ll handle the rest.
Refund or restock, your call.
Changed your mind? Get a refund (restocking fees may apply) or swap with another product.
30-Day Hardware Replacement
Covered for any early faults.
All equipment includes a 30-day replacement warranty. If something goes wrong, we’ll repair or swap it — fast.
Replacements shipped in 10 days or less.
Once your return is inspected and approved, we dispatch the replacement promptly to keep your operations moving.
RMA protocol keeps it smooth.
Just ensure all accessories and original packaging are intact — we’ll take care of the technical validation.
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C3825-VSEC/K9 Overview
C3825-VSEC/K9 is a high-performance enterprise router that delivers robust integrated security and advanced networking capabilities in a modular architecture. It offers flexible power options with redundant AC power supply support, multiple WAN/LAN interfaces for enhanced connectivity, and integrated services that include voice, video, and WAN optimization—all designed to support secure VPN features and reliable throughput in demanding network scenarios.
Built for performance and versatility, the C3825-VSEC/K9 features modular expansion slots for network interface modules (NIMs), built-in firewall protection with IPSec/SSL VPN capabilities, and high availability support for mission-critical environments. Its design is ideal for enterprises and branch offices seeking secure, scalable, and resilient network solutions that meet modern connectivity and redundancy requirements.
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C3825-VSEC/K9 Specifications
| Product Type | Enterprise Router |
| VPN Support | IPSec / SSL VPN / DMVPN / FlexVPN / N/A |
| Power Source | AC Power Supply / Redundant |
| Routing Protocols | OSPF / EIGRP / BGP / RIP / Static Routing |
| Broadband | N/A |
| Architecture | Modular |
| WAN Configuration | Dual WAN |
| WAN Ports | 2 WAN |
| LAN Ports | 4 LAN Ports |
| Ethernet Technology | 10/100/1000 |
| Wi-Fi Standard | N/A |
| Connectivity Type | Wired |
| Network Protocols | IPv4, IPv6, MPLS |
| Remote Management | HTTP, HTTPS, SSH, SNMP, Telnet |
| Compliance Standards | FCC, CE, UL |
| Wireless Support | No |
| Speed/Capacity | Gigabit |
| Firewall Features | Yes |
| Features | VPN, Firewall, VoIP, IPv6 Compatible |
| Use Case | Enterprise |
| Management | Managed |
| Form Factor | Rack-mount |
| Integrated Services | Voice, Video, WAN Optimization |
| High Availability Support | Supported |
| Safety | N/A |
| EMC | N/A |
| Telecom | N/A |
| Throughput Capacity | 100 Mbps |
| QoS Features | Supported |
| Built-in Security Features | Firewall, Intrusion Prevention, Malware Protection |
| Expansion Slots | NIM |
| Modular Slots Available | 2 Slots |
| Stacking Capability | No |
| 5G Support | No |
| Memory | 512 MB |
| Flash Memory | 256 MB |
| Interface Ports | RJ-45, SFP |
| Power | 130 Watts |
| Device Type | Router |
| Product Name | Cisco 3825 Integrated Services Router VSEC |
| Height | N/A |
| Width | N/A |
| Depth | N/A |
| Weight | N/A |
C3825-VSEC/K9 Use Case
Secure Branch Office VoIP Deployment with Cisco C3825 Voice Security Bundle
In a global manufacturing firm operating ten remote sites, IT deploys the Cisco C3825-VSEC/K9 with PVDM2-64 DSP modules and Advanced IP Services (128F/512D) to consolidate voice, data and security on a single platform. Built-in firewall, zone-based policies and voice encryption protect SIP and H.323 calls over MPLS. Outcome: Achieves end-to-end voice confidentiality, meets corporate security mandates, and sustains sub-80 ms latency for crystal-clear real-time communications.
PCI-DSS Compliant Voice Infrastructure for Financial Contact Centers
A tier-1 bank integrates the C3825-VSEC/K9-3825 Voice Security Bundle with PVDM2-64 and Advanced IP Services to secure inbound/outbound customer payment data. The solution enforces intrusion prevention, secure RTP encryption and dynamic VLAN segmentation for over 500 concurrent calls. Outcome: Ensures full PCI-DSS compliance, eliminates voice-based fraud vectors, and guarantees high-performance call routing with QoS prioritization.
High-Performance VoIP Gateway for Remote Healthcare and Telemedicine
A healthcare network deploys the Cisco 3825 router (Voice Security Bundle, PVDM2-64, 128F/512D) as a secure VoIP gateway for telemedicine sites. Advanced IP Services provide AES-encrypted voice/video tunnels over VPN, multi-codec transcoding and adaptive jitter buffering. Outcome: Delivers HIPAA-compliant, high-quality telehealth sessions, simplifies branch deployment, and reduces packet loss by 50% for consistent patient care.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table
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|---|---|---|---|---|---|
| 5G Support | No | No | No | No | No |
| Architecture | Modular | Modular | Modular | Modular | Modular |
| Broadband | N/A | N/A | N/A | N/A | N/A |
| Built-in Security Features | Firewall, Intrusion Prevention | Firewall, Intrusion Prevention, Malware Protection | Firewall / Intrusion Prevention / Malware Protection | Firewall, Intrusion Prevention, VPN Encryption | Firewall / Intrusion Prevention |
| Compliance Standards | FCC, CE | FCC, CE, UL | IEEE 802.3, FCC, CE | FCC, CE, RoHS | FCC / CE |
| Connectivity Type | Wired | Wired | Wired | Wired | Wired |
| Depth | 15 inches | N/A | 18.7 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 | 10/100 | 10/100 |
| Expansion Slots | NIM | NIM | EHWIC / NIM | NIM / EHWIC | EHWIC |
| Features | Routing, Switching, Integrated Services, Firewall, QoS | VPN, Firewall, VoIP, IPv6 Compatible | VPN / Firewall / Voice / Video / IPv6 Compatible | VPN, VoIP, IPv6 Compatible, Firewall | VPN / VoIP / IPv6 Compatible / Firewall |
| Firewall Features | Yes | Yes | Yes | Yes | Yes |
| Flash Memory | 512 MB | 256 MB | 256 MB | 256 MB | 256 MB |
| Form Factor | Rack-mount | Rack-mount | Rack-mount | Rack-mount | Rack-mount |
| Height | 2 inches | N/A | 4.5 inches | N/A | N/A |
| High Availability Support | Supported | Supported | Supported | Supported | Supported |
| Integrated Services | Voice, Video | Voice, Video, WAN Optimization | Voice / Video / WAN Optimization | Voice, Video | Voice / Video |
| Interface Ports | RJ-45, SFP | RJ-45, SFP | RJ-45 / SFP | RJ-45 | RJ-45 |
| LAN Ports | 4 LAN Ports | 4 LAN Ports | 4 LAN Ports | 4 LAN Ports | 2 LAN Ports |
| Management | Managed | Managed | Managed | Managed | Managed |
| Memory | 4 GB | 512 MB | 512 MB | 512 MB | 256 MB |
| Modular Slots Available | 2 Slots | 2 Slots | 3+ Slots | 2 Slots | 2 Slots |
| Network Protocols | IPv4, IPv6, MPLS | IPv4, IPv6, MPLS | IPv4 / IPv6 | TCP/IP, UDP, ICMP, IGMP | IPv4 / IPv6 |
| Power | 300W | 130 Watts | 350 Watt | 415W | 130 W |
| Power Source | AC Power Supply / Redundant | AC Power Supply / Redundant | AC Power Supply; Redundant Power Supply Option | AC Power Supply / Redundant | AC Power Supply / Redundant |
| Product Name | C3845-NOVPN Integrated Services Router | Cisco 3825 Integrated Services Router VSEC | Cisco 3845 Integrated Services Router - VSEC/K9 | Cisco 3845 Integrated Services Router Security (CISCO3845-SEC/K9) | CISCO3825-SRST/K9 |
| Product Type | Enterprise Router | Enterprise Router | Enterprise Router | Enterprise Router | Enterprise Router |
| QoS Features | Supported | Supported | Supported | Supported | Supported |
| Remote Management | SSH, Telnet, SNMP | HTTP, HTTPS, SSH, SNMP, Telnet | CLI / SNMP / Web-based GUI | SSH, SNMP, Telnet | Telnet / SSH / SNMP |
| Routing Protocols | OSPF / BGP / EIGRP / Static Routing | OSPF / EIGRP / BGP / RIP / Static Routing | OSPF / BGP / EIGRP / RIP / 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 | Fast Ethernet |
| Stacking Capability | No | No | No | No | No |
| Telecom | N/A | N/A | N/A | TIA/EIA | N/A |
| Throughput Capacity | 1 Gbps | 100 Mbps | 100 Mbps | 75 Mbps | 0.035 Gbps |
| Use Case | Enterprise, Branch Office | Enterprise | Enterprise | Enterprise | Enterprise |
| VPN Support | N/A | IPSec / SSL VPN / DMVPN / FlexVPN / N/A | IPSec / SSL VPN | IPSec / SSL VPN | IPSec |
| WAN Configuration | Dual WAN | Dual WAN | Dual WAN | Dual WAN | Dual WAN |
| WAN Ports | 2 WAN | 2 WAN | Modular WAN | 2 WAN | 2 WAN |
| Weight | 25 lbs | N/A | 42.5 lbs | N/A | N/A |
| Wi-Fi Standard | N/A | N/A | N/A | N/A | N/A |
| Width | 17 inches | N/A | 17.3 inches | N/A | N/A |
| Wireless Support | No | No | No | No | No |
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Questions & Answers
Q
What is the Cisco 3825 Voice Security Bundle (SKU C3825-VSEC/K9)?
A
The Cisco 3825 Voice Security Bundle (SKU C3825-VSEC/K9) is a modular integrated services router preconfigured with PVDM2-64 DSP, Advanced IP Services license, 128 MB flash and 512 MB DRAM to deliver secure voice, data, and VPN services.
Q
What components are included in the C3825-VSEC/K9 bundle?
A
The bundle includes the Cisco 3825 router chassis, PVDM2-64 Digital Signal Processor module, Cisco IOS Advanced IP Services software license, 128 MB onboard flash memory, and 512 MB DRAM.
Q
What voice channel density does the PVDM2-64 module support?
A
The PVDM2-64 module supports up to 64 voice channels or 62 transcoded VoIP calls with echo cancellation and enhanced voice quality.
Q
Which security features are available on the Cisco 3825 Voice Security Bundle?
A
The Cisco 3825 Voice Security Bundle offers integrated stateful firewall, IPsec VPN, SSL VPN, intrusion prevention, threat control, and secure signaling for voice and data protection.
Q
What routing and VPN throughput can I expect from the 3825 with Advanced IP Services?
A
With the Advanced IP Services license, the Cisco 3825 delivers up to 75 Mbps of aggregate routing and IPsec VPN throughput for branch office connectivity.
Q
How can I expand interface connectivity on the C3825-VSEC/K9?
A
You can expand connectivity via four onboard 10/100/1000 Ethernet ports and additional Network Module, HWIC, or Enhanced WIC slots compatible with the Cisco 3825 chassis.
Q
Can the Cisco 3825 Voice Security Bundle support IP telephony survivability?
A
Yes, the 3825 with PVDM2-64 and Advanced IP Services supports Cisco Survivable Remote Site Telephony (SRST) to maintain call processing during WAN outages.
Q
Is the Advanced IP Services license upgradeable on the 3825 router?
A
Yes, the Advanced IP Services license on the Cisco 3825 router is field upgradeable via Cisco license activation without requiring hardware changes.
Q
What are the power requirements for the Cisco 3825-VSEC/K9?
A
The Cisco 3825 router requires 100–240 V AC input power with a typical power consumption of 80 W and supports an optional redundant power supply.
Q
Which Cisco IOS software release is required for the C3825-VSEC/K9 bundle?
A
The Cisco 3825 Voice Security Bundle ships with Cisco IOS Release 12.4 or later images supporting Advanced IP Services and integrated security features.
Q
Does the Cisco 3825 support video conferencing and unified communications?
A
The Cisco 3825 supports video conferencing and unified communications applications when paired with the PVDM2-64 module and appropriate Cisco Unified Communications licenses.
Q
How many concurrent secure voice calls can the Cisco 3825 handle?
A
The Cisco 3825 with PVDM2-64 can handle up to 62 secure voice calls with encryption and echo cancellation under the Advanced IP Services license.
Q
Is the PVDM2-64 module backward compatible with earlier PVDM card slots?
A
The PVDM2-64 module is compatible with all Cisco routers that have PVDM2 card slots and does not fit into original PVDM slots.
Q
What warranty and support options are available for the C3825-VSEC/K9 bundle?
A
Cisco offers a one-year limited hardware warranty and optional Cisco SMARTnet support for hardware replacement, software updates, and technical assistance for the C3825-VSEC/K9 bundle.
Q
Which enterprise deployments are ideal for the Cisco 3825 Voice Security Bundle?
A
The Cisco 3825 Voice Security Bundle is ideal for small to medium branch offices requiring secure voice, data, VPN services, and integrated survivability with high voice channel density.
