It is important as a CCNA Voice candidate to understand the various codecs that are supported by Cisco IP phones and the bandwidth that they each use. Various codecs are supported on Cisco IP Phones including: -G711 -G729 -G729a -ILBC G711 G711 provides toll quality voice – in other words, […]
Day: July 3, 2024
How Access Control Systems Work
Access Control Systems enable an individual or group to control access to certain areas within a facility or computer information system. In physical security there are several components related to this type of system that I will be covering in this article. Control Points Access control points can be a […]