Cisco 4331 Voice ISR Router - ISR4331-V/K9 WLC and background noise suppression

and background noise suppression

Flexible NetFlow and switch-to-switch hardware encryption with the Service Module

*** Please note that this phone is an IP-based phone and requires a PBX system to operate or provide any functionality

as well as the Cisco ATA187

analog voice connectivity

Cisco 4331 Voice ISR Router - ISR4331-V/K9 WLC and background noise suppressionNew and Refurbished 4331 Voice 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