United States
Name:
CISCO3845-SRST/K9
- Description:
- 3845 Voice Bundle w/ PVDM2-64,FL-SRST-250,SP Serv,128F/512D
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3 Year Extended Warranty
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Delivery Timelines
Under 100 KG? Ships Express.
Smaller shipments go via DHL or FedEx Express — delivered worldwide in approximately 3 business days.
Over 100 KG? Ships via Freight.
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
CISCO3845-SRST/K9 Overview
CISCO3845-SRST/K9 is a high-performance enterprise router built on a modular architecture that supports a range of integrated services including voice, video, and WAN optimization. Designed for demanding branch and campus environments, it features flexible power options with redundant AC power supplies, ensuring continuous operation even under critical conditions.
CISCO3845-SRST/K9 delivers robust WAN/LAN connectivity with dual WAN configurations and four LAN ports utilizing 10/100/1000 Ethernet technology. Its integrated VPN capabilities (IPSec and SSL VPN), advanced routing protocols, modular expansion slots, and built-in firewall and intrusion prevention features make it ideal for secure, high-throughput deployments in enterprise and mission-critical use cases.
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CISCO3845-SRST/K9 Specifications
| Product Type | Enterprise Router |
| VPN Support | IPSec / SSL VPN |
| Power Source | AC Power Supply / Redundant |
| Routing Protocols | OSPF / BGP / EIGRP / MPLS / IS-IS / 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 |
| Remote Management | SSH, Telnet, SNMP |
| Compliance Standards | IEEE 802.3, IEEE 802.1Q |
| Wireless Support | No |
| Speed/Capacity | Gigabit |
| Firewall Features | Yes |
| Features | VPN, 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 | 1.2 Gbps |
| QoS Features | Supported |
| Built-in Security Features | Firewall, Intrusion Prevention |
| Expansion Slots | EHWIC, NIM |
| Modular Slots Available | 3+ Slots |
| Stacking Capability | No |
| 5G Support | No |
| Memory | 512 MB |
| Flash Memory | 256 MB |
| Interface Ports | RJ-45, SFP |
| Power | 350 Watts |
| Device Type | Router |
| Product Name | CISCO3845-SRST/K9 |
| Height | N/A |
| Width | N/A |
| Depth | N/A |
| Weight | N/A |
CISCO3845-SRST/K9 Use Case
Remote Branch Telephony Resiliency with CISCO3845-SRST/K9-3845 Voice Bundle
In a multi-site retail chain, the IT team deploys CISCO3845-SRST/K9-3845 Voice Bundle w/ PVDM2-64, FL-SRST-250, SP Serv, 128F/512D at each remote store. When the MPLS link to headquarters fails, SRST automatically switches IP phones to on-router call processing, preserving inbound/outbound voice traffic and ensuring uninterrupted customer service. Outcome: 250+ concurrent calls stay live with crystal-clear DSP-enhanced quality, reducing downtime, lost sales, and support tickets by 95%.
Contact Center Business Continuity for High-Volume Call Handling
A regional contact center uses CISCO3845-SRST/K9-3845 Voice Bundle w/ PVDM2-64, FL-SRST-250, SP Serv, 128F/512D to maintain 24/7 operations. In the event of primary CUCM failure, the on-board SRST license and PVDM2-64 DSP modules automatically take over call routing, hold music and hunt-group logic. Outcome: Seamless failover supports up to 250 agents with full IVR and codecs, preventing revenue loss and preserving customer satisfaction and SLA compliance.
Unified Communications Migration with Local Survivable Telephony
During a phased migration from legacy PBX to Cisco Unified Communications Manager, the enterprise IT team installs CISCO3845-SRST/K9-3845 Voice Bundle w/ PVDM2-64, FL-SRST-250, SP Serv, 128F/512D at each transition site. Phones register locally over SRST, enabling centralized administration while new CUCM servers come online. Outcome: Consistent call feature set, media transcoding and failover for up to 250 endpoints, accelerating cutover schedules and minimizing user disruption.
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 / Malware Protection | Firewall, Intrusion Prevention, Malware Protection | Firewall, Intrusion Prevention, VPN Encryption | Firewall, Intrusion Prevention | Firewall / Intrusion Prevention |
| Compliance Standards | FCC / CE / UL | FCC, CE | FCC, CE | IEEE 802.3, IEEE 802.1Q | FCC / CE |
| Connectivity Type | Wired | Wired | Wired | Wired | Wired / Wireless |
| Depth | 18.4 in | N/A | N/A | N/A | N/A |
| Device Type | Router | Router | Router | Router | Router |
| EMC | FCC Class B | N/A | FCC Compliant | N/A | N/A |
| Ethernet Technology | 10/100/1000 | 10/100/1000 | 10/100 | 10/100/1000 | 10/100 |
| Expansion Slots | EHWIC / NIM | EHWIC | EHWIC | EHWIC, NIM | EHWIC |
| Features | VPN / Firewall / Intrusion Prevention / IPv6 Compatible | VPN, Firewall, Intrusion Prevention, IPv6 Compatible | VPN, Firewall, IPv6 Compatible, QoS, NAT | VPN, IPv6 Compatible, Firewall, MPLS | 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 in | N/A | N/A | N/A | N/A |
| High Availability Support | Supported | Supported | Supported | Supported | Not Supported |
| Integrated Services | Voice / Video | Voice, Video, WAN Optimization | Voice, Video, WAN Optimization | Voice, Video, WAN Optimization | Voice / Video / Data |
| Interface Ports | RJ-45 / SFP / Combo Ports | RJ-45, SFP | RJ-45, SFP | RJ-45, SFP | RJ-45 / Serial |
| LAN Ports | Modular LAN | 4 LAN Ports | 2 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 | 3+ Slots | 2 Slots | 3+ Slots | 2 Slots |
| Network Protocols | IPv4 / IPv6 | IPv4, IPv6, MPLS | IPv4, IPv6, TCP/IP, UDP, ICMP | IPv4, IPv6 | TCP/IP / IPsec / HTTP / SNMP |
| Power | 350 W | 150W | 130 W | 350 Watts | 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 | Cisco 3845 Integrated Services Router with High Security (C3845-H-VSEC/K9) | Cisco 3825 Integrated Services Router VSEC CCME/K9 | CISCO3825-HSEC/K9 Integrated Services Router | CISCO3845-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 / HTTPS | SNMP, SSH, Telnet, HTTP, HTTPS | Console, Telnet, SSH | SSH, Telnet, SNMP | CLI / SNMP |
| Routing Protocols | OSPF / BGP / EIGRP / IS-IS / Static Routing | OSPF / BGP / EIGRP / RIP / Static Routing | OSPF / EIGRP / BGP / RIP / Static Routing | OSPF / BGP / EIGRP / MPLS / IS-IS / RIP / Static Routing | OSPF / BGP / EIGRP / RIP / Static Routing |
| Safety | IEC 60950 | N/A | UL Listed | N/A | N/A |
| Speed/Capacity | Gigabit | Gigabit | Fast Ethernet | Gigabit | N/A |
| Stacking Capability | No | No | No | No | No |
| Telecom | N/A | N/A | N/A | N/A | N/A |
| Throughput Capacity | 150 Mbps | 50 Mbps | 75 Mbps | 1.2 Gbps | 30 Mbps |
| Use Case | Enterprise | Enterprise | Enterprise / Business | Enterprise | Enterprise |
| VPN Support | IPSec / SSL VPN | IPSec / SSL VPN | IPSec / SSL VPN | IPSec / SSL VPN | IPSec |
| WAN Configuration | Dual WAN | Dual WAN | Dual WAN | Dual WAN | Dual WAN |
| WAN Ports | Modular WAN | 2 WAN | 2 WAN | 2 WAN | 2 WAN |
| Weight | 32 lbs | N/A | N/A | N/A | N/A |
| Wi-Fi Standard | N/A | N/A | N/A | N/A | 802.11 a/b/g |
| Width | 17.2 in | N/A | N/A | N/A | N/A |
| Wireless Support | No | No | No | No | Yes |
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Questions & Answers
Q
What is the Cisco 3845 Voice Bundle (CISCO3845-SRST/K9)?
A
The Cisco 3845 Voice Bundle (CISCO3845-SRST/K9) is a fully licensed integrated Services Router featuring a PVDM2-64 DSP module, FL-SRST-250 survivable telephony license, SP Services contract, 128 MB flash, and 512 MB DRAM.
Q
What components are included in the Cisco 3845 Voice Bundle?
A
The bundle includes a Cisco 3845 ISR chassis, PVDM2-64 voice DSP module, FL-SRST-250 feature license, SP Services support agreement, 128 MB flash memory, and 512 MB DRAM.
Q
What is the PVDM2-64 module and how does it enhance voice performance?
A
PVDM2-64 is a digital signal processor (DSP) module that offloads voice transcoding, conferencing, and media processing tasks, enabling up to 64 simultaneous G.711 voice channels with low latency.
Q
What is the FL-SRST-250 license and how does it support survivable telephony?
A
FL-SRST-250 is a feature license that enables Survivable Remote Site Telephony on the Cisco 3845, allowing up to 250 IP phones to register locally and maintain call control during WAN outages.
Q
What are SP Services and why are they important for this bundle?
A
SP Services is Cisco’s lifecycle support package providing 24x7 technical assistance, hardware replacement, software updates, and access to Cisco’s knowledge base for uninterrupted operations.
Q
What does 128F/512D mean in the Cisco 3845 Voice Bundle?
A
128F/512D indicates the router ships with 128 MB of onboard flash memory for Cisco IOS images and 512 MB of DRAM for runtime operations and applications.
Q
What key features make the Cisco 3845 ideal for voice deployments?
A
The Cisco 3845 offers modular DSP support, high-performance packet forwarding, integrated voice and data services, robust security, and advanced QoS for enterprise voice networks.
Q
How does the Cisco 3845 support Quality of Service (QoS) for voice traffic?
A
It provides end-to-end QoS via traffic classification, marking, hierarchical queuing, low-latency queuing, traffic shaping, and policing to guarantee voice quality.
Q
Can the Cisco 3845 Voice Bundle handle voice and data simultaneously?
A
Yes. The integrated architecture and DSP module allow the Cisco 3845 to process high-quality voice calls alongside data routing and security services without performance degradation.
Q
What licensing model is used for the CISCO3845-SRST/K9 Voice Bundle?
A
The bundle uses perpetual licensing, bundling the PVDM2-64 and FL-SRST-250 feature license with no additional software fees or time-based renewals.
Q
How many IP phone endpoints can FL-SRST-250 support during a WAN outage?
A
FL-SRST-250 supports up to 250 registered IP phone endpoints for call processing on the local router when the WAN connection is unavailable.
Q
Is the Cisco 3845 compatible with Cisco Unified Communications Manager?
A
Yes. The Cisco 3845 integrates seamlessly with Cisco Unified Communications Manager for centralized call control, feature parity, and simplified provisioning.
Q
What warranty and support options are available for the Cisco 3845 Voice Bundle?
A
Cisco offers SMARTnet and SP Services support packages, providing 24x7 hardware replacement, software updates, and direct access to Cisco’s technical assistance center.
Q
How do I upgrade the PVDM2 module for additional voice channels?
A
To upgrade, power down the router, install a higher-capacity PVDM2 module in the DSP slot following Cisco’s hardware installation guide, then power up and verify module status.
Q
What is the maximum number of simultaneous VoIP calls supported by the PVDM2-64?
A
The PVDM2-64 module supports up to 64 simultaneous G.711 voice calls or a mix of codec channels based on Cisco’s DSP resource allocation guidelines.
Q
How do I configure Survivable Remote Site Telephony (SRST) on the Cisco 3845?
A
Enable the FL-SRST-250 license in global configuration, define dial-peers for PSTN fallback, configure IP source-address binding for phones, and verify SRST status with show commands.
