United States
Name:
CISCO3825-V/K9
- Description:
- 3825 Voice Bundle,PVDM2-64,SP Serv,128F/512D
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3 Year Extended Warranty
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Smaller shipments go via DHL or FedEx Express — delivered worldwide in approximately 3 business days.
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Larger orders are dispatched through freight forwarding partners. Delivery takes 7–10 business days, globally.
Always Delivered to Your Door
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.
14-Day Money Back Guarantee
Free 14-Day Returns
Tested it, but it’s not a fit?
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.
TRUSTED, TRIED, PROVEN
CISCO3825-V/K9 Overview
CISCO3825-V/K9 is a modular enterprise router designed with integrated services that include voice, video, and data functionalities. It features a robust fixed chassis with dedicated expansion slots, supports AC power with redundant options, and integrates dual WAN interfaces alongside multiple LAN ports to ensure secure, flexible connectivity and VPN capabilities.
CISCO3825-V/K9 delivers optimized throughput and enhanced performance through advanced routing protocols and built‐in firewall features. Its design emphasizes high availability, modular expansion, and secure remote management, making it ideal for enterprise branch offices and medium‐sized network deployments requiring integrated services and reliable, redundant operations.
What is the price of CISCO3825-V/K9?
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Explore more options from Routers or explore other Cisco products.
CISCO3825-V/K9 Specifications
| Product Type | Enterprise Router |
| VPN Support | IPSec |
| Power Source | AC Power Supply / Redundant |
| Routing Protocols | OSPF / BGP / EIGRP / 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 |
| Wi-Fi Standard | N/A |
| Connectivity Type | Wired |
| Network Protocols | IPv4, IPv6 |
| Remote Management | Telnet, SSH, SNMP |
| Compliance Standards | FCC, CE |
| Wireless Support | No |
| Speed/Capacity | N/A |
| Firewall Features | Yes |
| Features | VPN, VoIP, IPv6 Compatible, Firewall, MPLS |
| 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 | N/A |
| QoS Features | Supported |
| Built-in Security Features | Firewall, Intrusion Prevention |
| Expansion Slots | EHWIC |
| Modular Slots Available | 2 Slots |
| Stacking Capability | No |
| 5G Support | No |
| Memory | 512 MB |
| Flash Memory | 256 MB |
| Interface Ports | RJ-45 |
| Power | 150 W |
| Device Type | Router |
| Product Name | CISCO3825-V/K9 |
| Height | N/A |
| Width | N/A |
| Depth | N/A |
| Weight | N/A |
CISCO3825-V/K9 Use Case
Branch Office Unified Communications with Cisco 3825 Voice Bundle
A multinational enterprise deploys Cisco3825-V/K9 with PVDM2-64 and SP Serv to converge voice and data at 25 regional branches. The platform terminates legacy TDM handsets, delivers 128 concurrent SIP calls, and secures voice/video traffic over DMVPN to the data center. Outcome: streamlined management, 35 % reduction in telephony costs, and enterprise-grade SLA adherence for mission-critical collaboration.
High-Density SIP Trunking for Contact Centers
A global support provider uses Cisco3825-V/K9 voice bundle and PVDM2-64 to aggregate 60 simultaneous SIP trunks across three POPs. The SP Serv license unlocks advanced carrier services—fax-over-IP, transcoding, and SRTP encryption. Outcome: 40 % lower carrier fees, 25 % higher voice quality (MOS >4.0), and seamless integration with cloud-based ACD and IVR systems.
Disaster Recovery and Business Continuity Voice Gateway
A financial services firm implements Cisco3825-V/K9 with 128F/512D profiles and PVDM2-64 in active-standby mode at two data centers. In case of network failure, PSTN and SIP call legs failover automatically, preserving 100 simultaneous lines. Outcome: zero-touch failover, 99.99 % uptime, and compliance with FINRA/SEC business continuity regulations.
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 / IPS / VPN | Firewall / Intrusion Prevention |
| Compliance Standards | FCC, CE | FCC, CE | FCC / CE / RoHS | FCC / CE | FCC / CE |
| Connectivity Type | Wired | Wired | Wired | Wired | Wired / Wireless |
| Depth | N/A | 16 inches | N/A | 16.5 inches | N/A |
| Device Type | Router | Router | Router | Router | Router |
| EMC | N/A | EN 55022 | N/A | FCC | N/A |
| Ethernet Technology | 10/100 | 10/100/1000 | 10/100/1000 | 10/100 | 10/100 |
| Expansion Slots | EHWIC | NIM / EHWIC / SFP+ | EHWIC / NIM | NIM / EHWIC | EHWIC |
| Features | VPN, VoIP, IPv6 Compatible, Firewall, MPLS | VPN / IPv6 Compatible / Firewall | Mesh / VPN / VoIP / IPv6 Compatible / Firewall | VPN / Firewall / Voice / WAN Optimization | VPN / Voice / Video / IPv6 Compatible / Firewall |
| Firewall Features | Yes | Yes | Yes | Yes | Yes |
| Flash Memory | 256 MB | 256 MB | 256 MB | 128 MB | 128 MB |
| Form Factor | Rack-mount | Rack-mount | Rack-mount | Rack-mount | Rack-mount |
| Height | N/A | 4.5 inches | N/A | 4.4 inches | 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 / WAN Optimization | Voice / Video / Data |
| Interface Ports | RJ-45 | RJ-45 / SFP | RJ-45 / SFP / Combo Ports | 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 | 512 MB | 512 MB | 512 MB | 256 MB | 256 MB |
| Modular Slots Available | 2 Slots | 2 Slots | 3+ Slots | 2 Slots | 2 Slots |
| Network Protocols | IPv4, IPv6 | IP, ICMP, TCP, UDP, RTP, SIP | IPv4 / IPv6 / MPLS | IPv4 / IPv6 / MPLS | TCP/IP / IPsec / HTTP / SNMP |
| Power | 150 W | 250 W | 350 Watt | 350 W | 155 W |
| Power Source | AC Power Supply / Redundant | AC Power Supply / Redundant | AC Power Supply / Redundant | AC Power Supply / Redundant | AC Power Supply |
| Product Name | CISCO3825-V/K9 | Cisco C3825 VSEC CUBE/K9 | Cisco C3845-VSEC-SRST/K9 | CISCO3845-HSEC/K9 | CISCO3825-WAE/K9 |
| Product Type | Enterprise Router | Enterprise Router | Enterprise Router | Enterprise Router | Enterprise Router |
| QoS Features | Supported | Supported | Supported | Supported | Supported |
| Remote Management | Telnet, SSH, SNMP | SSH, Telnet, SNMP | SSH / Telnet / SNMP | Telnet / SSH / SNMP | CLI / SNMP |
| Routing Protocols | OSPF / BGP / EIGRP / RIP / Static Routing | OSPF / BGP / EIGRP / RIP / Static Routing | EIGRP / OSPF / BGP / IS-IS / RIP / Static Routing | OSPF / BGP / EIGRP / RIP / Static Routing | OSPF / BGP / EIGRP / RIP / Static Routing |
| Safety | N/A | UL, CSA | N/A | UL / CSA | N/A |
| Speed/Capacity | N/A | Gigabit | Gigabit | Gigabit | N/A |
| Stacking Capability | No | Yes | Yes | No | No |
| Telecom | N/A | RoHS Compliant | N/A | N/A | N/A |
| Throughput Capacity | N/A | 50 Mbps | 75 Mbps | 150 Mbps | 30 Mbps |
| Use Case | Enterprise | Enterprise | Enterprise | Enterprise | Enterprise |
| VPN Support | IPSec | IPSec / SSL VPN / DMVPN | IPSec / DMVPN / FlexVPN | IPSec | IPSec |
| WAN Configuration | Dual WAN | Dual WAN | Dual WAN | Dual WAN | Dual WAN |
| WAN Ports | 2 WAN | 2 WAN | 2 WAN | 2 WAN | 2 WAN |
| Weight | N/A | 20 lbs | N/A | 29 lbs | N/A |
| Wi-Fi Standard | N/A | N/A | N/A | N/A | 802.11 a/b/g |
| Width | N/A | 17 inches | N/A | 17.2 inches | N/A |
| Wireless Support | No | No | No | No | Yes |
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Questions & Answers
Q
What is the Cisco 3825 Voice Bundle (CISCO3825-V/K9)?
A
The Cisco 3825 Voice Bundle (SKU: CISCO3825-V/K9) is an integrated router package optimized for unified voice, data and video services, combining chassis, voice DSPs and service provider features in a single solution.
Q
What components are included in the 3825 Voice Bundle?
A
The bundle includes a Cisco 3825 router chassis, PVDM2-64 DSP module for voice processing, SP Serv licensing, 128 MB flash memory and 512 MB DRAM.
Q
What is the capacity of the PVDM2-64 DSP module?
A
The PVDM2-64 DSP module provides 64 digital signal processing channels, supporting up to 32 T1/E1 voice calls or concurrent codec sessions.
Q
What does SP Serv licensing mean?
A
SP Serv (Service Provider Service) licensing authorizes advanced MPLS, Quality of Service and enhanced routing features tailored for service provider environments.
Q
How much flash memory and DRAM does the Cisco 3825 router include?
A
The router ships with 128 MB of onboard flash memory and 512 MB of DRAM to store IOS images and support complex voice and data configurations.
Q
What are the key voice features of the Cisco 3825 Voice Bundle?
A
Key voice features include PVDM2 DSP support, integrated TDM interfaces, Survivable Remote Site Telephony (SRST), VoIP security and advanced codec interoperability.
Q
Is the Cisco 3825 Voice Bundle suitable for small to medium enterprises?
A
Yes, its modular design, high voice density and advanced routing make it ideal for SMBs seeking enterprise-grade voice, data and video services.
Q
Which Cisco IOS software versions are supported?
A
The Cisco 3825 supports Cisco IOS 12.4 and newer releases, including feature sets for voice, security, MPLS and carrier-grade NAT.
Q
How many simultaneous voice calls can the bundle handle?
A
With the PVDM2-64 module, the router can handle up to 32 concurrent T1/E1 voice calls or a mix of SIP/H.323 sessions based on codec configuration.
Q
How do I upgrade the PVDM2 module on my Cisco 3825?
A
Power down the router, install the new PVDM2 module in the DSP daughterboard slot, then power up and verify with the "show diag" and "show voice dsp" commands.
Q
Is the Cisco 3825 router rack-mountable?
A
Yes, the Cisco 3825 uses a standard 19-inch rack-mount kit (sold separately) and occupies two rack units (2RU) in a data center or closet environment.
Q
What are the power requirements for the Cisco 3825?
A
The Cisco 3825 operates on AC power (100–240V, 50–60Hz) and consumes up to 75W under full load, with optional DC power modules available.
Q
Does the Cisco 3825 support Quality of Service (QoS) for voice traffic?
A
Yes, it includes advanced QoS features such as classification, marking, policing and low-latency queuing to ensure reliable voice performance.
Q
How does the 3825 Voice Bundle compare to other 3800 series routers?
A
The 3825 offers mid-range performance with higher memory, more DSP channels and enhanced service provider licenses compared to the 3845 and 3835 models.
Q
What warranty and support options are available?
A
Cisco provides a one-year limited hardware warranty with next-business-day replacement, plus optional SMARTnet service contracts for 24/7 technical support and updates.
Q
How do I configure basic voice services on the Cisco 3825?
A
Use the Cisco Configuration Professional or CLI to enable voice service voip, configure dial-peer profiles, voice ports and QoS policies, then apply PVDM DSP resources.
Q
Where can I purchase genuine replacement parts for my 3825 Voice Bundle?
A
Purchase genuine Cisco parts and modules through authorized Cisco partners, resellers or the Cisco online portal to ensure compatibility and warranty coverage.
