Cisco PA-VXB-2TE1+ : 2 port T1/E1 moderate capacity enhanced voice PA

The Cisco PA-VXB-2TE1+ enhanced digital voice port adapters 7000 Series routers provide high-capacity voice, termination to private branch exchanges (PBXs), and the Public Switched Telephone Network (PSTN) for central-site and large-branch packet voice applications. The Cisco PA-VXB-2TE1 single-width port adapters incorporate two universal ports that can be configured for either T1 or E1 connection with high-performance digital signal processors (DSP) that support up to 120 channels of compressed voice. The PA-VXB-2TE1 digital voice port adapters offer an end-to-end interoperable voice-over-IP (VoIP) solution with the Cisco 1750, 2600, 3600, 3660, 3810, 5300, 5800, 7200, 7400 and 7500 products.