From the course: ISC2 Certified Information Systems Security Professional (CISSP) (2024) Cert Prep

Unlock this course with a free trial

Join today to access over 24,000 courses taught by industry experts.

Telephony

Telephony

From the course: ISC2 Certified Information Systems Security Professional (CISSP) (2024) Cert Prep

Start my 1-month free trial Buy for my team

Telephony

“

- [Instructor] For many decades, voice communications and network traffic were completely separate entities. Analog networks carried voice traffic while digital networks carried data. Times have changed however, and today these networks have converged. Voice over Internet Protocol, or VoIP Technology, now allows the use of a single data network for both voice and data communications. VoIP works by converting voice signals from analog to digital form and then transmitting them using the same IP protocol that carries other network communications. Users of VoIP Technology may use a variety of different devices to communicate, these range from dedicated VoIP phones that look like regular telephones, but connect directly to a data network to soft phones that are simply software running on a computer or mobile device, or hardware used to bridge an existing analog phone network to a digital network for communication over the internet. The use of VoIP Technology does introduce some security…

Contents