Cisco 4331 ISR Router - ISR4331/K9 SIP Lighted message waiting indicator

Lighted message waiting indicator

Up to 6 hours of music use

Protocol Independent Multicast (PIM)

providing a professional-grade audio experience

and Cisco 3925 Integrated Services Routers

Cisco 4331 ISR Router - ISR4331/K9 SIP Lighted message waiting indicatorNew and Refurbished 4331 ISR with 3 onboard GE, 2 NIM slots, 1 ISC slot, 1 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.