Wideband audio provides high-definition voice quality for telephony calls, and offers better quality than standard digital telephony. It does so by extending the frequency range
This time we will analyze what are the main characteristics to take into consideration when choosing codecs for communication systems. Codec stands for coder-decoder. A
The SIP specification has been extended over time to support a general mechanism allowing for subscription to asynchronous events. Such events can include SIP proxy
ACK method confirms that an entity has received a final response to an INVITE request. In its turn, BYE method signals termination of a dialog
Calls are started by means of the methods INVITE together with SDP (Session Description Protocol) which carry the information necessary to allow the endpoints of
