This is Part 4 of a series about IT fundamentals. These articles are based on excerpts from the Society of Broadcast Engineers CBNT/CBNE Study Topics webinar series, designed to assist those seeking ...

Header compression is always mentioned in the same breath as QoS when we discuss supporting voice on an IP network. But it is not about QoS, it is about reducing bandwidth consumption. Header ...

While protocols like MGCP, SIP, H.323 (H.225/H.225 RAS/H.245), and SCCP provide signalling in VoIP/IP telephony/unified communications networks, the Real Time Transport Protocol (RTP) is used to ...

Voice over IP (VoIP) is the descriptor for the technology used to carry digitised voice over an IP data network. VoIP requires two classes of protocols: a signaling protocol such as SIP, H.323 or MGCP ...

This excerpt is from CCIE Voice Exam Quick Reference Sheets (Digital Short Cut), by Mark Lewis and published by Cisco Press. ISBN-10: 1-58705-333-0 Read Mark Lewis’ blog for Cisco Subnet here. More ...

Computer engineers learn early on that a core set of protocols are critical to networks. Some of the most important protocols include Internet Protocol (IP), Transaction Control Protocol (TCP), ...