SIP or sip may refer to:

PlacesEdit

Business and economicsEdit

Communications and telephonyEdit

  • Session Initiation Protocol (SIP), a communications protocol for signaling and controlling multimedia communication sessions, including voice over IP

NetworkingEdit

SoftwareEdit

SemiconductorsEdit

ComputingEdit

EngineeringEdit

EnterprisesEdit

Science and mathematicsEdit

Other usesEdit

See alsoEdit