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I was debugging memory leak bugs recently. The bug was caused by incorrect usage of the osip library. It's not uncommon that we meet pro...

As I posted before , logging is an important debugging means. In order to be truly useful and convenient, the logging module should at lease...

In sip protocol, the difficult thing is the liecycle of sip elements, including dialog, transaction and message. Though defined as different...

As described in rfc3261 , sip is a layered protocol. Its layers are shown in the image below. Unlike other sophisicated sip libiraies, exosi...

What is SIP SIP Protocol is one of widely used signaling protocol, with the main purpose of, as its name is abbreviated for, initializatio...