| Word | Description |
| Script | In the SpitFireX Autodialer, the script is one or more wav files configured in ScriptMaker to play when dialing numbers in the list. |
| SIP (Session Initiation Protocol) | The Session Initiation Protocol (SIP) is a signalling protocol, widely used for controlling multimedia communication sessions such as voice and video calls over Internet Protocol (IP). SpitFire software can be configured to use SIP for dialing, instead of analog or T1 lines. |
| SPD | SpitFire Predictive SpitFire Predictive Pro or SPD Pro uses MySQL Server for the Database Engine. SpitFire Predictive Access or SPD Access uses Microsoft Access for the Database Engine. |
| SPX | SpitFire X (Autodialer) SpitFire X Pro or SPX Pro uses MySQL Server for the Database Engine. SpitFire X Access or SPX Access uses Microsoft Access for the Database Engine. |