The blacklist represents itself a list or register of entities which are denied privileges, service, mobility, access and admission due to these or other reasons. This function blocks all connections from the subscribers who are in the list.
Voice and Video Solutions
Cisco solutions for IP telephony are based on Cisco AVVID corporate architecture, which supports modern Internet applications for business. The convergence of voice, video and data services improves productivity and allows you to better serve your customers.