Monthly Archives: May 2012

From Sip to RTP (Part 2) – This is straight talking !

Posted on 28/05/2012 by gptucci

In this post I will discuss the interaction between SIP and SDP/RTP protocols, with a approach bottom up. In the beginning a first important note: the Session Initiation Protocol is used ONLY to initiate a session between two endpoints. SIP … Continue reading →

Posted in Asterisk, Voip | Tagged , , , , | Leave a comment

From SIP to RTP (Part 1) – Overview

Posted on 16/05/2012 by gptucci

This is the first in a series setting out several major parts of the SIP protocol. The following are some pratical notes on the protocol and how works the SDP and RTP protocol delegated to voice or video transport. Attention: they … Continue reading →

Posted in Asterisk, Voip | Tagged , , , | Leave a comment