UNIStim
UNIStim
Telecommunications protocol
UNIStim (or Unified Networks IP Stimulus) is a deprecated Telecommunications protocol developed by Nortel (now acquired by Avaya) for IP Phone (terminals and soft phones) and IP PBX communications.
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Most manufacturers of IP PBX equipment (Aastra, Alcatel, Avaya...) have followed the same path, developing their own proprietary protocols. These protocols are being gradually replaced or complemented by standardized protocols, including H.323, especially SIP.