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C2951-CME-SRST/K9
2951 Voice Bundle w/ PVDM3-32,FL-CME-SRST-25, UC License PAK
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C2951-CME-SRST/K9 is a high-performance, modular enterprise router built to support integrated voice, video, and data services in branch and remote office environments. Designed with a flexible architecture, it offers multiple power options including redundant AC power supplies and robust WAN/LAN interfaces that ensure reliable connectivity with integrated security features like IPSec VPN and firewall capabilities to protect critical network data.
Engineered for demanding use cases, the router provides modular expansion slots, advanced VPN features, and Quality of Service (QoS) support to optimize performance and redundancy. Its versatile design combines high-throughput capabilities with integrated services and remote management protocols, making it ideal for enterprises requiring secure, scalable, and efficient network infrastructures.
C2951-CME-SRST/K9 price is $3,703.00, a 59.3% saving from the Cisco list price of $9,095.00. C2951-CME-SRST/K9 is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for C2951-CME-SRST/K9 for additional pricing. Browse the full Router Isr 2900 series or explore all Cisco products.
To get the detailed certification, please go to the Compliance Center.
| C2951-CME-SRST/K9 |  C2911-VSEC/K9 |  C2921-VSEC/K9 |  CISCO2901/K9 |  CISCO2921-SEC/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 / Malware Protection | Firewall / Intrusion Prevention / Malware Protection | Firewall / Intrusion Prevention | Firewall / Intrusion Prevention |
| Compliance Standards | FCC / CE | FCC / CE | FCC / CE / RoHS | FCC / CE | FCC / CE / UL |
| Connectivity Type | Wired | Wired | Wired | Wired | Wired |
| Depth | 17.1 inches | N/A | N/A | 15 inches | N/A |
| Device Type | Router | Router | Router | Router | Router |
| EMC | N/A | FCC, CE | N/A | N/A | N/A |
| Ethernet Technology | 10/100/1000 | 10/100/1000 | 10/100 | 10/100 | 10/100/1000 |
| Expansion Slots | EHWIC / NIM | EHWIC / NIM | EHWIC | EHWIC / NIM | EHWIC / NIM |
| Features | VPN / VoIP / IPv6 Compatible / Firewall | VPN / Firewall / Integrated Services / IPv6 Compatible | VPN / IPv6 Compatible / Firewall | VPN / VoIP / IPv6 Compatible / Firewall / MPLS | VPN / Intrusion Prevention / Firewall / IPv6 Compatible |
| 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 | 1.73 inches | N/A | N/A | 1.73 inches | N/A |
| High Availability Support | Supported | Supported | Supported | Supported | Supported |
| Integrated Services | Voice / Video | Voice / Video / Security | Voice / Video / WAN Optimization | Voice / Video / WAN Optimization | Voice / Video / WAN Optimization |
| Interface Ports | RJ-45 | RJ-45 | RJ-45 | RJ-45 | RJ-45 |
| LAN Ports | 4 LAN Ports | 4 LAN Ports | 4 LAN Ports | 2 LAN Ports | 4 LAN Ports |
| Management | Managed | Managed | Managed | Managed | Managed |
| Memory | 512 MB | 512 MB | 512 MB | 256 MB | 512 MB |
| Modular Slots Available | 2 Slots | 3+ Slots | 2 Slots | 3+ Slots | 3+ Slots |
| Network Protocols | IPv4 / IPv6 / MPLS | IPv4 / IPv6 | IPv4 / IPv6 | IPv4 / IPv6 | IPv4 / IPv6 |
| Power | 90W | 130 Watt | 350 W | 81W | 290 W |
| Power Source | AC Power Supply / Redundant | AC Power Supply / Redundant | AC Power Supply / Redundant | AC Power Supply | AC Power Supply |
| Product Name | Cisco 2951-CME-SRST/K9 Integrated Services Router | Cisco 2911 Integrated Services Router with Security | Cisco C2921-VSEC/K9 Integrated Services Router | Cisco 2901/K9 Integrated Services Router | CISCO2921-SEC/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 | CLI / SNMP / Cisco SDM | Telnet / SSH / SNMP | SNMP / SSH / Telnet | CLI / SNMP / Telnet / SSH |
| Routing Protocols | OSPF / BGP / EIGRP / RIP / Static Routing | OSPF / BGP / EIGRP / RIP / Static Routing | OSPF / BGP / EIGRP / MPLS / IS-IS / RIP / Static Routing | OSPF / BGP / EIGRP / RIP / Static Routing | OSPF / BGP / EIGRP / Static Routing |
| Safety | N/A | UL/cUL, CE | N/A | N/A | N/A |
| Speed/Capacity | Gigabit | Gigabit | N/A | Fast Ethernet | Gigabit |
| Stacking Capability | No | No | No | No | No |
| Telecom | N/A | TIA/EIA | N/A | N/A | N/A |
| Throughput Capacity | 75 Mbps | 0.075 Gbps | 0.1 Gbps | 75 Mbps | 50 Mbps |
| Use Case | Enterprise | Enterprise / Branch | Enterprise | Enterprise | Enterprise / Business |
| VPN Support | IPSec / DMVPN | IPSec / SSL VPN / DMVPN | IPSec / SSL VPN / GRE / DMVPN / FlexVPN / N/A | IPSec / SSL VPN / DMVPN | IPSec / SSL VPN / DMVPN / N/A |
| WAN Configuration | WAN | Dual WAN | Dual WAN | WAN | Dual WAN |
| WAN Ports | 2 WAN | 2 WAN | 2 WAN | 2 WAN | 2 WAN |
| Weight | 12 lbs | N/A | N/A | 15 lbs | N/A |
| Wi-Fi Standard | N/A | N/A | N/A | N/A | N/A |
| Width | 17.2 inches | N/A | N/A | 17.5 inches | N/A |
| Wireless Support | No | No | No | No | No |
Cisco 2951 Voice Bundle simplifies UC deployment. PVDM3-32 ensures clear, reliable voice while FL-CME-SRST-25 provides redundancy.
Durable and predictable. Supports multiple voice endpoints efficiently in medium to large branch offices.
Easy to configure and manage. Maintains stable, high-quality voice and UC communications across branches.
Reliable Cisco solution. Ensures seamless voice operations with SRST fallback during network outages.
Strong and efficient. Ideal for branch offices needing high-quality voice and unified communications reliability.
The Cisco 2951 Voice Bundle (C2951-CME-SRST/K9) is an integrated voice solution combining a Cisco 2951 ISR router, PVDM3-32 DSP module, FL-CME-SRST-25 survivable telephony license, and a UC License PAK for unified communications.
The bundle includes a Cisco 2951 ISR router, PVDM3-32 digital signal processor module, FL-CME-SRST-25 failover license for up to 25 phones, and a Cisco UC License PAK to activate IP telephony features.
The PVDM3-32 module supports up to 32 DSP channels for voice transcoding, conferencing, and media processing in Cisco ISR platforms.
The FL-CME-SRST-25 license enables Survivable Remote Site Telephony (SRST) for up to 25 endpoints, allowing Cisco Unified Communications Manager Express to handle calls locally during WAN outages.
The UC License PAK is a software activation key that unlocks Cisco IP telephony and voicemail features on the 2951 ISR without requiring additional hardware modules.
The Cisco 2951 Voice Bundle supports up to 32 concurrent voice calls with PVDM3-32 DSP capacity and provides SRST support for up to 25 registered phones during network failures.
When the WAN link fails, the FL-CME-SRST-25 license automatically activates Cisco Unified Communications Manager Express on the router to route calls locally, maintaining voice services.
Yes. The Cisco 2951 ISR supports modular PVDM3 cards, so you can upgrade from PVDM3-32 to higher-density PVDM3 modules to increase your DSP channel count.
Yes. The 2951 Voice Bundle integrates seamlessly with Cisco Unified Communications Manager and falls back to CME SRST in case of CUCM connectivity loss.
The 2951 ISR offers up to 2.4 Gbps aggregate throughput, two network module slots, four integrated service slots, up to 4 GB DRAM, and 8 GB flash memory.
The bundle supports SIP, H.323, MGCP and SCCP protocols for IP telephony and gateway services in enterprise and branch environments.
Generate a Smart Software License token via the Cisco Licensing Portal, then install it on the ISR with the 'license smart reservation' command in the IOS CLI.
SMBs gain an all-in-one platform that delivers routing, security, switching and resilient voice in a single chassis, reducing equipment costs and simplifying management.
After installing FL-CME-SRST-25, enable telephony-service in IOS, set 'max-ephones 25', and map voice ports; phones will auto-register to CME during WAN outages.
The bundle includes a one-year hardware warranty with next-business-day replacement. Optional Cisco SMARTnet offers 24/7 software updates, OS upgrades and technical assistance.