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C2901-CME-SRST/K9
2901 Voice Bundle w/ PVDM3-16,FL-CME-SRST-25, UC License PAK
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C2901-CME-SRST/K9 is a robust enterprise router built on a modular architecture that integrates voice and video services with high-performance VPN capabilities. It features configurable WAN and LAN interfaces, redundant power options, and advanced throughput and performance optimizations that support mission-critical applications.
Designed for demanding environments, the C2901-CME-SRST/K9 offers modular expansion slots, integrated firewall and QoS features, and multiple routing protocols for secure remote management. Its comprehensive mix of integrated services, redundant design, and flexible power and connectivity options makes it ideally suited for enterprise, business, and industrial use cases.
C2901-CME-SRST/K9 price is is available on request. Get immediate quote.
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A national retail chain deploys C2901-CME-SRST/K9-2901 Voice Bundle w/ PVDM3-16, FL-CME-SRST-25, UC License PAK at each branch to maintain local call processing when the MPLS WAN fails. Business outcome: zero voice downtime, uninterrupted customer support and transaction processing, and simplified IT operations via integrated CME and SRST.
A law firm rolls out the C2901-CME-SRST bundle to 20 satellite offices to enable full Cisco Unified Communications Manager Express functionality—voicemail, auto-attendant, and secure SIP trunking—on a single 2901 router. Benefit: streamlined branch deployments, lower CapEx/Opex, and centralized license management with UC License PAK.
A financial services firm leverages the PVDM3-16 DSP module in the C2901-CME-SRST bundle to host up to 16 concurrent conference calls and real-time transcoding for VoIP/ISDN endpoints. Outcome: high-definition, low-latency voice collaboration, reduced third-party service fees, and predictable infrastructure costs.
To get the detailed certification, please go to the Compliance Center.
| C2901-CME-SRST/K9 |  CISCO2901/K9 |  CISCO2901-SEC/K9 |  CISCO2951-HSEC+/K9 |  CISCO2921-V/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 / Malware Protection | Firewall / Intrusion Prevention | Firewall, Intrusion Prevention | Firewall, Intrusion Prevention | Firewall / Intrusion Prevention |
| Compliance Standards | RoHS / FCC / CE | FCC / CE | FCC, CE | RoHS, FCC, CE | IEEE / FCC / CE |
| Connectivity Type | Wired | Wired | Wired | Wired | Wired |
| Depth | N/A | 15 inches | N/A | 18 inches | N/A |
| Device Type | Router | Router | Router | Router | Router |
| EMC | FCC Part 15 / EN 55032 | N/A | N/A | N/A | N/A |
| Ethernet Technology | 10/100 | 10/100 | 10/100 | 10/100 | 10/100 |
| Expansion Slots | EHWIC | EHWIC / NIM | EHWIC, NIM | EHWIC, NIM | EHWIC / NIM |
| Features | VPN / VoIP / IPv6 Compatible / Firewall / QoS | VPN / VoIP / IPv6 Compatible / Firewall / MPLS | VPN, Firewall, Intrusion Prevention, Modular Expansion | VPN, Firewall, Integrated Security, Modular, IPv6 Compatible | VPN / VoIP / IPv6 Compatible / Firewall |
| Firewall Features | Yes | Yes | Yes | Yes | Yes |
| Flash Memory | 256 MB | 256 MB | 256 MB | 256 MB | 256 MB |
| Form Factor | Rack-mount | Rack-mount | Rack-mount | Rack-mount | Rack-mount |
| Height | N/A | 1.73 inches | N/A | 4.5 inches | N/A |
| High Availability Support | Supported | Supported | Supported | Supported | Supported |
| Integrated Services | Voice / Video | Voice / Video / WAN Optimization | Voice, Video, WAN Optimization | Voice, Video, WAN Optimization | Voice / Video / WAN Optimization |
| Interface Ports | RJ-45 | RJ-45 | RJ-45 | RJ-45, SFP | RJ-45 / SFP |
| LAN Ports | 4 LAN Ports | 2 LAN Ports | 4 LAN Ports | 4 LAN Ports | 4 LAN Ports |
| Management | Managed | Managed | Managed | Managed | Managed |
| Memory | 512 MB | 256 MB | 512 MB | 512 MB | 256 MB |
| Modular Slots Available | 2 Slots | 3+ Slots | 2 Slots | 3+ Slots | 2 Slots |
| Network Protocols | OSPF / EIGRP / BGP / RIP | IPv4 / IPv6 | IPv4, IPv6 | IP, UDP, TCP, OSPF, RIP, BGP, EIGRP, IPsec, SSL, MPLS | IPv4 / IPv6 |
| Power | 350 W | 81W | N/A | 350 Watts | 350 Watts |
| Power Source | AC Power Supply / Redundant | AC Power Supply | AC Power Supply / Redundant | AC Power Supply / Redundant | AC Power Supply / Redundant |
| Product Name | C2901-CME-SRST/K9 | Cisco 2901/K9 Integrated Services Router | CISCO2901-SEC/K9 | Cisco 2951 Integrated Services Router with High Security (CISCO2951-HSEC+/K9) | Cisco 2921 Integrated Services Router |
| Product Type | Enterprise Router | Enterprise Router | Enterprise Router | Enterprise Router | Enterprise Router |
| QoS Features | Supported | Supported | Supported | Supported | Supported |
| Remote Management | Telnet / SSH / SNMP | SNMP / SSH / Telnet | SSH, Telnet, SNMP | SSH, Telnet, SNMP | CLI / Telnet / SSH / SNMP |
| Routing Protocols | OSPF / BGP / EIGRP / RIP / Static Routing | OSPF / BGP / EIGRP / RIP / Static Routing | OSPF / BGP / EIGRP / RIP / Static Routing | OSPF / BGP / EIGRP / RIP / Static Routing | OSPF / BGP / EIGRP / RIP / Static Routing |
| Safety | UL / cUL / CE | N/A | N/A | N/A | N/A |
| Speed/Capacity | Gigabit | Fast Ethernet | N/A | Gigabit | N/A |
| Stacking Capability | No | No | No | No | No |
| Telecom | N/A | N/A | N/A | N/A | N/A |
| Throughput Capacity | 100 Mbps | 75 Mbps | 0.15 Gbps | 75 Mbps | 0.075 Gbps |
| Use Case | Enterprise / Business | Enterprise | Enterprise | Enterprise | Business / Enterprise |
| VPN Support | IPSec / SSL VPN / DMVPN | IPSec / SSL VPN / DMVPN | IPSec / SSL VPN / DMVPN / N/A | IPSec / SSL VPN | IPSec / SSL VPN / DMVPN / FlexVPN |
| WAN Configuration | Dual WAN | WAN | Dual WAN | Dual WAN | Dual WAN |
| WAN Ports | 2 WAN | 2 WAN | 2 WAN | Modular WAN | 2 WAN |
| Weight | N/A | 15 lbs | N/A | 26 lbs | N/A |
| Wi-Fi Standard | N/A | N/A | N/A | N/A | N/A |
| Width | N/A | 17.5 inches | N/A | 17 inches | N/A |
| Wireless Support | No | No | No | No | No |
2901 Voice Bundle simplifies branch UC deployment. PVDM3-16 ensures reliable voice performance with minimal downtime.
Durable and predictable. Handles voice and UC workloads efficiently for small to medium offices.
Easy to configure and manage. Provides secure, high-quality voice communications for branch offices.
Reliable Cisco solution. Maintains smooth voice operations and unified communications in distributed networks.
Strong and efficient. Ensures seamless voice and UC performance across small office deployments.
The Cisco C2901-CME-SRST/K9 2901 Voice Bundle is an integrated router package combining the Cisco 2901 ISR, PVDM3-16 digital signal processor, FL-CME-SRST-25 failover license, and a UC License PAK for robust voice and collaboration services.
This bundle includes the Cisco 2901 Integrated Services Router, one PVDM3-16 DSP module, FL-CME-SRST-25 failover license, and a UC License PAK for Cisco Unified Communications Manager Express feature activation.
The PVDM3-16 module delivers up to 16 voice channels, enabling high-quality transcoding, conferencing, and media processing for Cisco Unified Communications.
The FL-CME-SRST-25 license enables Survivable Remote Site Telephony (SRST) in Cisco Unity Express, ensuring uninterrupted call processing at up to 25 concurrent calls during WAN outages.
To activate the UC License PAK, register the PAK code on Cisco’s licensing portal, generate the license file, and apply it through the router’s Cisco Unified Communications Manager Express configuration.
With the PVDM3-16 module, the bundle supports up to 16 VoIP calls or transcoded sessions simultaneously, ensuring efficient voice traffic management.
Yes, the bundle is fully integrated with Cisco Unified Communications Manager Express (CME) for on-premises call control, voicemail, and IVR services.
The Cisco 2901 ISR features dual onboard Gigabit Ethernet ports, a modular slot for DSP or interface cards, up to 2 GB of DRAM, and expansion bays for USB, flash, and services modules.
The Cisco 2901 ISR supports internal AC power supplies and an optional DC power module, providing flexible deployment in diverse power environments.
This voice bundle simplifies deployment, reduces hardware footprint, ensures business continuity with SRST, and delivers scalable digital signal processing for high-quality voice services.
Yes, the bundle is ideal for small to medium enterprises, offering modular scalability in licensing and DSP capacity to match evolving communications needs.
Deployment requires a valid UC License PAK, Cisco IOS image with CME support, correct PVDM3 module installation, and network connectivity configured for WAN and LAN interfaces.
Use the CLI command `show license status` or the CME CLI command `show telephony-service license` to confirm active licenses and capacity details.
Software updates and technical support are available separately through Cisco SMARTnet or equivalent partner support contracts.
SRST automatically provides local call control on the Cisco 2901 ISR during WAN failures, maintaining voice services until central call manager connectivity is restored.
You can purchase the bundle through authorized Cisco resellers, distributors, or via Cisco’s online store with options for support and maintenance add-ons.