Cisco C2951-VSEC/K9 Cisco 2951 Voice Sec. Bundle Router with PVDM3-32 C2951VSEC/K9

Description:

The Cisco C2951-VSEC/K9 Integrated Services Router with Voice and Security bundle is used in enterprise networking systems to provide secure WAN connectivity, integrated voice processing, and advanced routing services within Cisco ISR G2 platforms. Commonly installed in enterprise branch offices, unified communications infrastructures, corporate network gateways, and distributed business networks where secure routing and VoIP communication services are required. Maintenance teams, network administrators, and system integrators use this router for branch network deployment, unified communications integration, security upgrades, and replacement of legacy routing and voice gateway equipment.

Applications:

The Cisco 2951-VSEC/K9 router is designed for enterprise branch environments that require both secure data routing and integrated voice services on a single platform. It is frequently deployed in corporate offices, call centers, financial institutions, and multi-site organizations where voice-over-IP (VoIP), VPN connectivity, and secure WAN communication are essential. With support for digital signal processor modules such as the PVDM3-32, the router enables advanced voice processing for IP telephony systems while maintaining reliable network connectivity between branch offices and central data centers.

Technical Specifications:

• Manufacturer Part Number (MPN): C2951-VSEC/K9
• Product Type: Integrated Services Router with Voice and Security Bundle
• Router Series: Cisco 2900 Series ISR G2
• Voice DSP Module: PVDM3-32
• WAN Interfaces: Modular WAN interface support
• LAN Interfaces: 3 × Gigabit Ethernet ports
• Expansion Slots: EHWIC slots and service module support
• Voice Support: Integrated VoIP gateway capabilities
• Security Features: Hardware-based VPN acceleration and firewall support
• Processor Architecture: Multi-core CPU
• Form Factor: Rack-mount enterprise router
• Operating System: Cisco IOS software support

Common Replacements:

• Cisco C2951/K9
• Cisco C2911-VSEC/K9
• Cisco ISR4331/K9