DuckCorp

DuckCorp Dico

(RFC 2229 compliant dictionary server)
more options

Found one definition 

  1.                 From The Free On-line Dictionary of Computing (19 January 2023):
                

    
                
                  
    SIP
    

       1. <protocol> Session Initiation Protocol.
    

       2. <text, standard> Supplementary Ideographic Plane.
    

       (2003-12-26)