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Cisco 3825 Voice Bundle with PVDM2-64 provides reliable UC and voice performance for small to medium offices.
CISCO3825-V/K9
3825 Voice Bundle,PVDM2-64,SP Serv,128F/512D
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CISCO3825-V/K9
- Description:
- 3825 Voice Bundle,PVDM2-64,SP Serv,128F/512D
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- Brand:
- Cisco
- GTIN:
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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.
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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
 CISCO3825-V/K9 |  C3825-VSEC-CUBE/K9 |  CISCO3845-HSEC/K9 |  C3845-VSEC-SRST/K9 |  CISCO3825-WAE/K9 | |
|---|---|---|---|---|---|
| 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 / IPS / VPN | Firewall / Intrusion Prevention / Malware Protection | Firewall / Intrusion Prevention |
| Compliance Standards | FCC, CE | FCC, CE | FCC / CE | FCC / CE / RoHS | FCC / CE |
| Connectivity Type | Wired | Wired | Wired | Wired | Wired / Wireless |
| Depth | N/A | 16 inches | 16.5 inches | N/A | N/A |
| Device Type | Router | Router | Router | Router | Router |
| EMC | N/A | EN 55022 | FCC | N/A | N/A |
| Ethernet Technology | 10/100 | 10/100/1000 | 10/100 | 10/100/1000 | 10/100 |
| Expansion Slots | EHWIC | NIM / EHWIC / SFP+ | NIM / EHWIC | EHWIC / NIM | EHWIC |
| Features | VPN, VoIP, IPv6 Compatible, Firewall, MPLS | VPN / IPv6 Compatible / Firewall | VPN / Firewall / Voice / WAN Optimization | Mesh / 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 | N/A | 4.5 inches | 4.4 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 / WAN Optimization | Voice / Video / Data |
| Interface Ports | RJ-45 | RJ-45 / SFP | RJ-45 | RJ-45 / SFP / Combo Ports | 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 | 256 MB | 512 MB | 256 MB |
| Modular Slots Available | 2 Slots | 2 Slots | 2 Slots | 3+ 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 W | 350 Watt | 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 | CISCO3845-HSEC/K9 | Cisco C3845-VSEC-SRST/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 | Telnet / SSH / SNMP | SSH / Telnet / SNMP | CLI / SNMP |
| Routing Protocols | OSPF / BGP / EIGRP / RIP / Static Routing | 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 |
| Safety | N/A | UL, CSA | UL / CSA | N/A | N/A |
| Speed/Capacity | N/A | Gigabit | Gigabit | Gigabit | N/A |
| Stacking Capability | No | Yes | No | Yes | No |
| Telecom | N/A | RoHS Compliant | N/A | N/A | N/A |
| Throughput Capacity | N/A | 50 Mbps | 150 Mbps | 75 Mbps | 30 Mbps |
| Use Case | Enterprise | Enterprise | Enterprise | Enterprise | Enterprise |
| VPN Support | IPSec | IPSec / SSL VPN / DMVPN | IPSec | IPSec / DMVPN / FlexVPN | 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 | 29 lbs | N/A | N/A |
| Wi-Fi Standard | N/A | N/A | N/A | N/A | 802.11 a/b/g |
| Width | N/A | 17 inches | 17.2 inches | N/A | N/A |
| Wireless Support | No | No | No | No | Yes |
Reviews & Ratings
E
Emma Jenkins
4
Durable and predictable. Supports multiple voice endpoints efficiently while maintaining consistent network performance.
L
Lucas Morgan
5
Easy to deploy and manage. Ensures stable voice, UC, and secure communications across branch offices.
M
Mia Foster
3
Reliable Cisco solution. Maintains seamless voice and UC operations even under high workloads.
J
James Riley
4
High-performing and robust. Ideal for branch offices needing secure voice and unified communications deployments.
Questions & Answers
What is the Cisco 3825 Voice Bundle (CISCO3825-V/K9)?
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.
What components are included in the 3825 Voice Bundle?
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.
What is the capacity of the PVDM2-64 DSP module?
The PVDM2-64 DSP module provides 64 digital signal processing channels, supporting up to 32 T1/E1 voice calls or concurrent codec sessions.
What does SP Serv licensing mean?
SP Serv (Service Provider Service) licensing authorizes advanced MPLS, Quality of Service and enhanced routing features tailored for service provider environments.