Cisco 4431 ISR Router - ISR4431/K9 Compact Switches AC and DC power supplies

AC and DC power supplies can be mixed in the same unit for outstanding deployment flexibility

the SIP-based Cisco SPA514G 4-Line IP Phone has been tested to ensure comprehensive interoperability with equipment from voice over IP (VoIP) infrastructure leaders

including next-business-day replacement with 90-day service and support

Built-in full duplex speakerphone and built-in headset interface

Messaging/presence status right on their phone display

Cisco 4431 ISR Router - ISR4431/K9 Compact Switches AC and DC power suppliesNew and Refurbished 4431 ISR with 3 onboard GE, 3 NIM slots, 1 ISC slot, 2 SM slot, 4 GB flash memory default, 4 GB DRAM default with Warranty The Cisco 4000 Series Integrated Services Routers (ISR) revolutionize WAN communications in the enterprise branch. With new levels of built in intelligent network capabilities and convergence, the routers specifically address the growing need for application aware networking in distributed enterprise sites.