Ars Technica

VoIP in-depth: An introduction to the SIP protocol, Part 2

In Part 1 of our SIP primer, I covered the SIP foundation layers starting from the message structure and ending with the SIP transactions. We saw how phone registrations and proxies could work using ...
Zawya

VoIP introduction may be on the cards

Abu Dhabi The Telecom Regulation Authority (TRA) is on a sector liberalisation drive that may see the introduction of voice over internet protocol (VoIP) services by etisalat and du this year. Al ...
Computer Weekly

What's in a VoIP packet -- An introduction to bandwidth for VoIP

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 ...
Business 2 Community

An Introduction to the World of VoIP

VoIP or Voice over Internet Protocol is an innovation created to enhance our calling experience. Unlike the traditional land line calling, VoIP services offer free calling via the internet.
Ars Technica

VoIP in-depth: An introduction to the SIP protocol, Part 1

In our last VoIP installment, we looked at the main reasons why SIP has become a widely adopted protocol, but we left details of the protocol’s inner workings fairly vague. This article will drill ...