| Abbreviation | Definition |
|---|---|
| SME | Synchronous Modem Eliminator |
| SMF | Single Mode Fiber |
| SMF | Software MAC Filter |
| SMIA | Standard Mobile Imaging Architecture |
| SMLC | Serving Mobile Location Center |
| SMPP | Short Message Peer-to-Peer |
| SMS | Send Me Symbols |
| SMS | Systems Management Server |
| SMSC | Short Message Service Center |
| SMTP | Simple Mail Transfer Protocol |
| SN | Single Node |
| SN | Static Name |
| SN | Static Node |
| SNAC | Single Network Access Code |
| SNAP | Single Network Access Pass |
| SNAP | Synchronous Network Architecture Planning |
| SNAP | System Neutral Access Protocol |
| SNBD | Secure Networking By Design |
| SNBD | Spatial Network Big Data |
| SNBF | Seismic Network Bay Frame |