| UMTS | Unified Mobile Telecommunication System 
| Others |
| UMTS | United Mobile Talking Switch
| Others |
| UMTS | Universal Mobile Telecom Surfwax
| Others |
| UMTS | Universal Mobile Telecommunication Services
| Others |
| UMTS | Universal Mobile Telecommunication System
| Others |
| UMTS | Universal Mobile Telecommunications Service
| Others |
| UMTS | Universal Mobile Telecommunications Services
| Others |
| UMTS | Universal Mobile Telecommunications Standard
| Others |
| UMTS | Universal Mobile Telecommunications System
| Others |
| UMTS | Universal Mobile Telephone Service
| Others |
| UMTS | Universal Mobile Telephone System
| Others |
| UMTS | Universal Mobile Telephony Service
| Others |
| UMTS | Universal Mobile Telephony System
| Others |
| UMTS | Universial Mobile Telephone System
| Others |
| UMTS | Unser Mega Teures Spielzeug
| Others |