| Abbreviation | Definition |
|---|---|
| MMM | Mobile Media Mode |
| MMMB | Multimode Multiband |
| MMMS | Mobile Multimedia Messaging Service |
| MMR | Mobile Mapping and Routing |
| MMS | Motorola Messaging Server |
| MMS | Multimedia Messaging Service |
| MMSC | Multimedia Messaging Service Center |
| MMT | Multimedia Multiparty Teleconferencing |
| MND | Multi-Number Dialer |
| MNET | Minnesota's Network for Enterprise Telecommunications |
| MNOC | Mobile Network Operation Center |
| MNP | Mobile Number Portability |
| MNS | Mobile Network Service |
| MNS | Mobile Newspaper Service |
| MO | Managed Object |
| MO | Mobile Originated |
| MOBILE | Machine Operation Biography Italic Energy |
| MOC | Managed Object Class |
| modem | modulation and demodulation |
| MOE | Modem Operating Environment |