Projects / The GNU oSIP Stack

The GNU oSIP Stack

oSIP implements the Session Initiation Protocol (published by IETF as RFC 3261). It can provide signalling capabilities for multimedia applications (IP phones, etc.). It provides a fully usable parser for the SIP syntax and implements the "transaction layer" as defined in the draft. It also provides an SDP parser and extra features for the User Agent. It can be used to build both proxy and IP phones.

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Recent releases

  •  18 Nov 2003 13:14

    Release Notes: This new release fixes some bugs and adds a new timer facility so that applications no longer have to poll for new events. Support for Mac OS X has also been added.

    •  07 May 2003 08:21

      Release Notes: A patch was made to the www_authenticate header for the pSOS system and when ACK messages can't be built.

      •  10 Mar 2003 18:46

        Release Notes: This release fixes some memory leak issues when some non-compliant SIP messages with some headers missing are received.

        •  27 Feb 2003 18:59

          Release Notes: One memory leak has been fixed.

          •  28 Dec 2002 04:10

            Release Notes: This release fixes a bug when some backslash is escaped in sip URLs. Partial WinCE support is also included.

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