Retrieved 2012-04-06. ↑ M. Handley; C. Perkins; E. Whelan (October 2000). Session Announcement Protocol. RFC 2974. ↑ Viewing with Session Announcement Protocol (SAP), retrieved 2019-03-02 ↑ "AES67-2013: AES standard for audio applications of networks - High-performance streaming audio-over-IP interoperability".