Cisco C2901-CME-SRST/K9 Cisco2901/K9 2900 Series 2901/K9 CME 2.5GB MEMORY C2901CMESRST/K9

Description:

The Cisco C2901-CME-SRST/K9 Integrated Services Router is used in enterprise networking and unified communications systems to provide secure routing, voice services, and call management for distributed business networks. This router is part of the Cisco 2900 Series and includes Cisco Unified Communications Manager Express (CME) and Survivable Remote Site Telephony (SRST), enabling branch offices to maintain voice communication services during WAN outages. It supports integrated data, voice, and security services within a single platform, helping organizations manage network traffic and communications efficiently. With enhanced memory capacity and modular expansion capabilities, the router can support various network modules, voice interfaces, and WAN connectivity options. Its design allows businesses to consolidate multiple network functions into one device, improving network reliability and simplifying infrastructure management. Network administrators, telecom engineers, and system integrators commonly deploy this router for branch office networking, voice infrastructure upgrades, system expansion, and replacement of aging enterprise routing equipment.

Applications:

The Cisco C2901-CME-SRST/K9 router is widely used in enterprise branch office networks that require integrated routing and voice communication capabilities. It is commonly installed in corporate offices, call centers, retail locations, healthcare facilities, and government buildings where secure network connectivity and local voice processing are required. With Cisco Unified Communications Manager Express and SRST functionality, the router supports IP telephony systems and ensures continued voice services even when connectivity to central call control systems is lost. It is also used in multisite organizations that need reliable WAN connectivity, secure VPN access, and integrated voice gateway functionality within a single networking device.

Technical Specifications:

• Brand: Cisco
• Part Number: C2901-CME-SRST/K9
• Model Series: Cisco 2900 Series Integrated Services Router
• Base Model: Cisco 2901/K9
• Product Type: Integrated Services Router with Voice Services
• Installed Memory: 2.5 GB DRAM
• Flash Memory: Up to 8 GB supported
• Integrated Services: Routing, security, unified communications, and VPN
• Voice Features: Cisco Unified Communications Manager Express (CME) and Survivable Remote Site Telephony (SRST)
• Ethernet Interfaces: 2 × Gigabit Ethernet ports
• Expansion Slots: 4 Enhanced High-Speed WAN Interface Card (EHWIC) slots
• DSP Slots: 1 DSP module slot for voice processing
• USB Ports: 2 × USB ports
• Console Port: RJ-45 console management port
• Rack Mounting: Rack-mountable chassis
• Security Features: Integrated hardware encryption and firewall capabilities
• Operating System: Cisco IOS Software
• Deployment Environment: Enterprise branch offices and voice-enabled networks

Common Replacements:

• Cisco ISR 4321/K9 Integrated Services Router
• Cisco ISR 4331/K9 Integrated Services Router
• Cisco ISR 4221/K9 Integrated Services Router