| HiCall |
Siemens AG I IA |
| HiMed |
Siemens AG I IA |
| VAS |
Siemens AG I IA |
| AMX - Alarm Management |
ATT-AudioText Telecom AG |
| AMX - Alarm Management |
ATT-AudioText Telecom AG |
| HiCall |
Siemens AG I IA |
| HiCall |
Siemens AG I IA |
| T-Server |
Genesys Telecommunications Laboratories, Inc |
| VAS |
Siemens AG I IA |
