Talk:Signaling protocol

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Telecommunications Mid‑importance

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OSI Layer[edit]

What OSI layer are signaling protocols at? SIP and RTSP are refined as application-layer in their articles but their use and the requirement of a higher-level protocol definitely correspond to session and/or presentation layers. 81.5.103.170 (talk) 16:13, 7 May 2010 (UTC)[reply]